tm 5-5090 generator set, buda
TRANSCRIPT
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BLE,DIESELENGINEDRIVEN
HASE,60-CYCLEOR230/400
,BUDAMODEL6-DTG-317.
T
NIA
P u b l
i c D o m a i n , G o o g l e - d i g i t i z e d
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ManualandPartsCatalog,
ieselEngineDriven,published
edfor theinformationand
.
C),June10,1941.)
fWar:
ff.
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ind
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OFTHE
ENERATORSET
vaDiesel6-DTG-317
rheadvalves,fourcycle,six
.M.,laboratorytest
8",Stroke5-1/8"
cu.in.
tionforstartingand running
elFuelSpecifications,
wingfanend
aseOilCapacity-6quarts
-24-1/3quarts
er-CenturyElectricTypeARC444,
%powerfactor,3phase,50/60
cycle,230/400voltsat50
ns.BuiltbyCenturyElectric
ouri.BudapartNo.DP-2493.
t-GeneralElectricCompany,Buda
facturerModelNo.
onaldsonCompany,Inc.B-954
Union,Inc.25H97
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t'd.)
roductsCorp.
G.B.OilClarifier,Inc.
ericanBoschCo.
Mass.
AmericanBoschCo.
rod.
G.B.OilClarifier,Inc.
27
28
8
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7-is
ments13
andRecom-
17-22
enerator24-42 23-38
tor4339
4640
on4741. 42
on4842 -43
ation4943. 44
eration5045
ation51 45
ation5245
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0KW,Diesel-poweredACGeneratorSets
50 and60cycles.Theseunitsare
perationwithanotherunit ofthe
maingeneratorat60 cycles(1800r.p.m.)
0KW;at50 cycles(1500r.p.m.)de-
W.Thegeneratoris drivenbyaBuda-
peengine.SeeFigure1.
esessentialtotheoperationof
torare containedinthecontrolunit.
Theoveralllengthofthe Buda6-DTG
5/16",width251/8",andthenet
eFigure12 whichgivesthedetailsfor
mensions.
NE
ovaDieselengineisofthefour
lidinjectiontype.Thecylinders
ntend,and thedirectionofrotation
deris1-5-3-6-2^1.TheBuda-
vesoftandquietcombustionbecauseof
inciple.
orStartingMotor
Model6-DTG-317,
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PERATION
da-LanovaDieselengine,wehave
akingplaceas inanyfour-stroke
engine,asfollows:(SeeFigure3.)
ke,
reatedbyrapidlycompressing
ufficientlysmallareatoraise
ointwhereitwillcausecombustion
ravity,haswhatisknownas
nthefueloilis raisedtoacer-
iteand burn.Intheprocessof
d.
eethat whenthepistonstarts
ke(a),the inletvalveisopen,thus
air intothecylinderthroughthe
pistonreachesthe bottomofthe
derisfilled withairandthe piston
compressionstroke(b),allthevalves
roke
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srapidlycompressedtoa final
rokeofapproximately1/12theinitial
olumecausesanincreaseinpressure
aseintemperaturetobetween900° and
ngthecompressionstroke,the
combustionchamberunderapressure
squareinch.As alreadymentioned,
peratureat whichtheywillignite,
belowthetemperatureofthecom-
stionchamber,thefuelinitsfinely
esuponcomingincontactwiththis
sgeneratedwhichexpandsthe
gthepistondownwardonthepowerstroke
ofthispowerstroke,the exhaust
pistonstarts upwardontheexhaust
rnedgases,thuscompletingthe
VALOWPRESSURECOMBUSTIONSYSTEMOPERATES
ustionchamber,theclearancevol-
sistsofthree chambers.Themaincham-
eight,whichalso formsthehousing
valves.SeeFigure4. Thetwoauxil-
ell,islocateddirectlyopposite
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D.Re-
chil-
Period,
pressed
alsoforced
he
energy
rand
edpor-
to
gycells
t
op-
sbeing
ough
tothe
ffuel
passes
themain
otethatno
da
fuel
reit is
nrush-
al
Main
erethecom-
lythetem-
The
wly
ughly
ayed
nexplo-
leshock
c.,an
ENCE
where
the
gh
kly,and
tout
NCEacrossthemaincombustionchamber
st
ksup thecloudoffuelin
ontofthe cellandstartsthe
oubleSwirl"inthemaincom-
-bustionchamber.
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dturbulence,thoroughlymixes
mainchamberandresults incom-
fuelconsumption.
burnsveryslowlyinthe main
oroughlymixedwiththeair,the
elandpossible shocktothepistons,
nated,bythe actionoftheenergy
eatureoftheBuda-LanovaDiesel
FTHEENGINE
engine,therearecertaincom-
ytokeeptheengine runningproperly.
e providedsoallnecessaryaction
instant,thereforeatimingsystem
eacontinuousflowof fuel,hence
stbea lubricatingsystemandalso
hwillstoreenergyforstarting the
automaticcontrolsasthesafetyen-
esolenoidorsafetyshut offvalve,
e oilpressureistoo loworthe
ginemust notbeallowedtoover-
a coolingsystem.
ettingthecamshaftgearwith
epistonsareattachedthatthe cam-
valvesfor eachcylinderintheir
tepnecessaryinafourstrokecycle
ttheright time.Thefuelinjection
ginesothatit willinjectthefuel
mbustion.
epares,andcontrolstheflowof
isgravityfedfromthe fueltank
Thefuel passesfirstthroughthe
el transferpump,thentothe
ughthesolenoid,orsafetyshut
onpump,fromwhichit isin-
nlinesandfinallythroughthe noz-
amber.Thefuelreturnline car-
veredby thetransferpump,through
njectionpump,and returnsitto
rates theflowofthefuel oil.
eflowoffuel,a singlespeedgov-
atesthespeedoftheengine.The
teofoperationatan evenpacefor
set.Figure10 showsthepositionof
tothefuel injectionpump.Itcannot
hatextremecarewithregardto clean-
handlingthe fuel.Seethethird
mmandments",ChapterII.
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em,theenginewouldnotrun
dbyfrictionwoulddestroythe en-
sTern-in thecrankcaseandto
ertoII-theoil filter-From
emain Salleryline>
cationSystem
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eliveredtotheconnectingrodbearings
kshaft.Thepistonpinsreceivetheir
connectingrods.Thecylinders
nfromthe connectingrodbearings.
depassagesleadto thecamshaft
deliveredtotheidlergear hub
ar shaft.Oilfromthehubof this
drilled holesandispickedupby a
earswhereitpassesthroughsmall
earteeth, sprayingtheentiregear
ionsuppliesoilforthelubrication
mpressionignitionengineneed-
ombustiblegases,theelectrical
marilytosupplyenergyforcranking
uch electricalcontrolsasthesafe-
noid (safetyshutoff)valve.The
ansof thestartingmotorwhichre-
yfromthestoragebatteries.These
bya12 voltgeneratorincombination
hichautomaticallydecreasesorin-
flowingto thebatteriesdepending
eeengine wiringdiagram,Figure7.
gram
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sofftheexcessheatfromthe
mperaturethatmakesforefficient
tsocontrolstheflowofthe water
ool,thewaterre-circulatesaround
ithoutpassingthroughtheradiator.
e thermostatopensandallowsthe
theradiator.Thewateris circu-
pthroughthe waterjacketandradi-
esplace.Afancreatesa draft
lthe water.Awatertemperature
eratureofthewater.Anautomatic
o thatifthewatertemperature
ewill beautomaticallystopped.
DEXCITER
neratorisofthe revolvingfield,
g(ballbearing)type,havinga
withthebackendofthearmatureshaft
ctiontotheengineflywheelthrougha
ng.Thegeneratorisameansby
yischangedintoelectricalenergy.
ebearing(ballbearing)type
haftsupportedinsideabored hole
rshaft.Thesetwoshaftsare
druffkeyandaninternal keyway.
generator,thecurrentofwhich
emaingeneratorfields sothat
whichcanbecutbythe armature
rebyinducingthealternatingcurrent,
cessaryforpowerorlight.
todeliver ratedloadcon-
temperatureriseof40° Centigrade.
machinecanbe reconnectedtooper-
esbychangingthelink connections
ox.
ficienciesareasfollows:
areself-cooled,theexciter
edtotheshaftofthe armature.A
vecouplingcoolsthealternator.
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TROLUNIT
heinstrumentsandswitches
ngineandthegenerator.Thecon-
steelframewitha controlpanel
blesidesandback,a fixedtop
ttom.Theunit issupportedatthe
cushionstoreducethevibrationfrom
stotheexternalequipmentaremade
SeeFigure13.The Controlunitis
ricManufacturingCompany.Formethod
t,seeChapterIV, Paragraphs28
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ANDMENTS"
mmandments"fortheoperatorsof
ratorsets,ifpracticed,willnotonly
gine,thegeneratorandcontrol
atorfromminorandmajortroubles
canbepreventedbythesimplepre-
hese"TenCommandments".
orset.Readthis operator's
edirections.
gineanditsaccessories,
atorandthecontrolunit,clean.An
eanshismachinediscoversmajor
usedmerelybyloosefastenersor
ions.
an.Wateranddirtin thefuel
serviceinterruptionsthanany other
hextremecare.Strainthefuel
wateranddirt. Donotdependen-
er.Theuseofa funnelequipped
is themostsatisfactoryinsurance
nteringthefueloil tank.Useonly
ecificationsasgivenin para-
with cleanwaterorsuitable
sload,keepthewatertemperature
raddwatertoanoverheatedengine,
ithoutwater inthecoolingsystem.
mmendedviscosityandchange
hours.
wly.Neverracea coldengine.
the recommendedspeedrange.
ginewearis duetoabrasivedust
tandreplenishthe oilintheair
oftenasrecommended.
emaingenerator.Mostgener-
fover-lubrication.Lubricatethe
yasoftenas isrecommended.See
omrainandsnow.Moisture
tionandwindingsofthe generator.
m theoutdoorsforinsideoperation,
otectingtheunit untilithasac-
Thuscondensationispreventedfrom
nallyonthegenerator.
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LEDIESEL
DLUBRICANTSTOBEUSED
EMPERATURE
cationandService
UnitsandParts
below0° F.,refertoEFSBL-1000-D.
above90F.,referto EFSBL-1000-E.
catedarefornormalservice.Forextreme
st,changecrankcaseoilandlubricate
ours,orevery4 hoursinextremely
drefilloilcupto circularlevelmarkwith
ependingonoperatingconditionsre-
lean,cleanairintakepipe,and re-
ontight.
whenengineisthoroughlywarm.Re-
ee Table.CAUTION:Whenrunning
ageindicatesoil iscirculating.Forsevere
AE50maybeused.(CrankcaseandFuel
.Every64hours,removebreathercap,
edforengine inspectionorrepair,
pscreen.CAUTION:Ifoilpressuredrops
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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ONSAND
TION(LUBRICATIONCHART)
rtheBuda-LanovaDieselengine,
beconsidered:(1)It isimport-
as asufficientbodytoproperly
ngersandvalves,sincetheseobtain
uelitself.Improperlubrication
kingplungersand valves.(2)The
ughtoflowfreelyatthe prevailing
mustbefree fromwateranddirt.
Dieselengine troublethananyother
crackedresidual,ablend,ora
dingit comeswithinthescopeof
ns:
salat100° F35-40
e
3
enttoobtainagoodgrade
portancethateveryprecaution
nhandling.Besurethat thecon-
ediment,andwater.Filter ele-
egularlyandreplacedatgiveninter-
aphs69and 70.
COMMENDATIONSFORTHEENGINE
taltoefficientengineper-
oncernsshouldbelubrication.The
edto becomeanemiceitherfromthe
ofthe wrongkindofoil.Thefol-
nsforthegradesof crankcaseoil
geoftemperatureindicated.
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EMPERATURE
inesoperatinginhightemperaturesand
nsforlongperiodsof timeconsumemore
evelshouldbecheckedandcrankcase
annormally.IfOE(S.A.E.50)is
waysbesure tobringoillevel to
RefertoEFSBL-1000-E).
doorswherethe temperature
n ifoperatedoutdoorswherethe
ower,judgmentshouldbeusedin se-
theindooroperation.
,theenginecrankcaseshould
eday'soperation.Beforethestart
,theoil shouldbeheatedto180°
the crankcase.Nospecialprepar-
eratingthe maingeneratorincold
ommendedforthemaingeneratorare
lowzerotemperatures.(Referto
BRICATION
terareshippedfrom thefactory
dgradeof greaseinthebearings
oximately4,096hoursofoperation
tures.Atthe endof4,090hoursof
uldbereplaced.
ASEFORALTERNATORANDEXCITER
llbearings;
urpose,No.2.
aring,No.3, heavyAity.
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ARINGHOUSINGGREASECAPACITIES
8"longand 1/8"indiameter
oneounce.Thiscanbeusedas aguide
aryandwhenagreasecup ofknown
PERATURES
dgreasesareonthebasisofactual
er194° F.(90° C.).Jfoperatingand
chthatthebearingtemperaturesex-
greaseshouldbechangedmorefre-
commended:
eevery2048hours.
ASEFROMMAINGENERATORANDADDINGNEWGREASE
orbearingand housinggrease,
.10,over2 ounces)inthehousing
fewminutestoallowtheoil tothin
edrainplugand drainasmuchaspos-
e
this
ec-
un
o
t
he
a-
n
-
y.
ase
ean.
ssFigure8.LocationofMain
,GeneratorGreasePlug
ndthrowgreaseinside thegenerator.
thusthrownfindits waytothecol-
itwillseriouslyaffectthe operation
vencausecompletefailure.
reasegunsshouldbeavoided
eisnoaccuratemethodofde-
easebeingintroducedintothe bear-
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eof greasecups,itissuggested
un with-astraightnozzlebeused.
eamountofgreaseexpelledperturn
ouldbe ascertained.Ifagrease
vailable,thiscanbescrewedinto
teadofagreasegun.
ASEFROMEXCITERBEARINGHOUSING
ofthefull sealedtype,re-
nttreatmentinremovingtheoldgrease
main generatororalternatorunder
ghasnodrain.Therefore,the
ovedandthegreasewashedfromthe
ithcleanunleadedgasolineorkerosene.
outtheballbearing.Afterthe
letelyfillthebracketcavitywith
atorsettobe lubricated,the
andperiodsoflubrication,a complete
tpage.
citerRemovedfor
y2,048hours.
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ine ShowingLocationof
ump
temployshigh
rousandmaybe
eratingpersonnel.
pmentalways
ouchingit.
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SET
TNGTHEGENERATORSET
30KW,Diesel-poweredgeneratorsets
nspectedbeforeleavingthefac-
diatoraredrainedforshipment.
ratorsetinto operation,orone
drained,certainstepsarenecessary
ydamagethatmighthaveoccurred
e.SeeChapterVII,paragraph115
storedfor anylengthoftimeor
yprolongedperiod.Partofthe
ringunpacking.
broughtfromcoldsurround-
shouldbekeptcovereduntilits tem-
temperatureso astopreventcon-
andotherparts.
TORSET
k,andbatterywaterare shipped
oxes.Eachis markedastocon-
BoxedforShipmentwithOne
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ATORSET
et,firstremovethethree cover
.CAUTION:Thetophasthe muf-
re 11.Afterthetopis removed,
hen thesides.Removethepipes,
oolkit,andsparepartswhichare
th thegeneratorset.Thegener-
kidwithsixcarriagebolts.Re-
generatorsetofftheskids.Re-
erfromthegenerator.
RATORSET
ll inspectionofthegener-
loose electricalandhosecon-
dcapscrews;seethattheair clean-
dirt canbesuckedinbecauseof
gesbetweenthetubes of.the
eyarefreefromanydirt orforeign
heflowof airbetweentheradi-
aroundtheflywheelhousingand
re nolooseboltsin thecoupling.
foreignobjectsareinsidethegen-
toseethatit turnsfreely.
elof thecontrolunitand
tionsandseethat-allfuses arein
EGENERATORSET
torsetshould besuchthat
moistureboth beforeandafter
romleakingpipes,rain,snow,or
mosphereshouldbeexcluded.Itis
eepthewindingsdry,sincemoisture
anceandincreasesthelikelihood
chine'slocationislevel.Fig-
nsionaldrawingofthegeneratorset.
ANDCONTROLS
dicatetheefficiencyofthe
functionsareawatertemperaturegauge,
anammeter,anoil pressuregauge,
ure13.
uge
ugeindicatesthetemperatureof
oreoperatingtheengineunder aload,
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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ebetween100° to120°.Forcontinuous
reshouldnotbeallowedto gobelow
ratureshouldnotexceed200"F.If
ceeds205° F.,theunitwillautomat-
.
eindicatesthetemperatureofthe
rpropergradeandlevel ofoilas
temperatureexceeds250F.
Panel
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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cateswhetherornot theproper
ubricatesatisfactorilytheinternal
eing delivered.Theoilpressure
o35 poundsundernormaloperating
erecommendedviscosity.
ops below7pounds,theunit
wn.
peratingbecausetheoil pres-
oundsor thewatertemperatureex-
ecauseoftheshut downandcorrect
ndoillevel,andtemperature,before
nit.
stinguishedfromthemaingener-
herateofchargeordischargetaking
Thereadingsare from0to+3O,
nd0to-30,whichindicatesdischarge.
atoronthegeneratorcontrolsthe
onforthereadingtobeat 0orclose
tthebatteryis fullychargedor
fhighreadingcontinues(over
with thevoltageregulator.How-
willtakeahigher rateofchargefor
showshighonthedischarge,there
weentheammeterandthegenerator.
umentbywhichtheengine speed,
te(R.P.M.)ofthe crankshaftare
60cycleoperationunderfullload,
0R.P.M.If itfailstocomeup to
noverloadoraloss ofenginepower,
governorisoutof adjustment,in
rthe-dropinR.P.M.shouldbedeter-
eengineare:safetyenginecon-
ntrol,andstarterbutton.
witch
switchprotectstheunitin
eorhighenginetemperature.In
o functionproperly,theopera'ting
rowpointingtotheleftfor start-
estartsandtheoil pressureregisters
uldturn automaticallyinthedown-
mitthe switchtostoptheengine
woilpressureor highwatertem-
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OPERATION
temperatureofthecontracting
atelythesame.)
disconnectoneunitfrom
ratinginparallelwithotherunits,
kerisfirst openedbeforeattempt-
heengine.
sprovidedonthegovernor
vernorleverwhenthe stopbuttonis
provisionismadeinorderto
ris openwhentheengineisstopped.
ostat,andAmmeterSwitch
edfor controllingvoltage,
ermitsreadingallphasesof theload
aseshouldnot exceedthenameplate
iterfield rheostatshouldalways
on themark.
usedwhenitis necessaryto
aralleloperation.Theprocedure
main generatorcontrolsandinstru-
phs34 and35underOperationofthe
OROPERATION
ecommendedgradeoflubri-
eratingtemperature,tothelevelin-
uge,ordip stick.SeeLubrication
ansoftwaterorasuitable
batteriesin seriesandcon-
t. SeetheWiringDiagram,Fig-
esarefilledwithelectrolyte.The
houldbeconnectedtothegroundon
negativeterminalsshouldbe connected
gneticswitchmountedunderthecontrol
lineto thefirststagefil-
dthesuctionconnectiononthe
onconnectiononthefueltank
s thepipeextendingtothe bottom
ne,from thefuelinjection
e15),tothefuel tankreturnopening.
openingshouldbe connectedto
"T" providedinoneofthe fuel
icaloutletofthis"T"shouldbe pro-
onforvent purposes.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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ofthe fuelinjectionpump
valvespringtensionsopumphousing
efuelreturnconnectionatthefuel
e15)andworkthe handplungeronthe
eair bubblesceasecomingoutof
ming
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/ h t t p : / / w w w . h
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SET
obtoonposition,thatis, point-
afetystopcontrolismountedatthe
ththecontrolpanel.SeeFigure16.
ntrolmarked"stop"isposi-
on.
d continuesfiring,release
enginewillautomaticallycomeup
M.(60cycleoperation).Assoon
rsontheoilpressure gauge,the
ocatedbelowtheswitchboardcab-
allyinthedownwardposition.This
htostopthe engineincaseoffail-
orhigh watertemperature.
peratureiscold,it willbede-
±goperatedat
dforapproxi-
eengineandmakethe necessaryelec-
makeconnectionwithgeneratorrunning.
toryareconnectedforGOcycle
CONNECTIONS
onnections,refertotheWiring
amisattachedtothe insideofthe
coverandisalsoshownin Figure17
eloadto terminalsmarked1,2,3,
TORSET
cuitbreakeris inoffposi-
utlinedinparagraph32andper-
tonormalno-loadspeedofapprox-
atedonthetachometer.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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ofGeneratorSetand ControlPanel
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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SET
atorknobforapproximately
atedonthe voltmeter.
ostatso thatthepointer
rontofthepanel.See Figure13.
perateunderload.Withthe load
erintothe"on"position.
onnectedtotheexternalcircuit,
astheload isapplied.Theammeter
nedtoeachof itsthreepositionsto
ase.If singlephaseloadsarecon-
adjustedin orderthateachphase
ble.Thisswitchshouldbe leftin
highercurrent.
ldnotbecalleduponto deliver
ton onephaseeventhoughtheother
.
dedwithasafetyswitchlock
oardcabinet.Thisswitchprotects
ressureor highenginetempera-
permitthe switchtofunctionproper-
ned withthearrowpointingto
onastheenginestarts andoil
auge,theknob shouldbeturnedin
iswillpermittheswitchto stop
reduetolowoil pressureorhigh
esignedforparalleloperation
metypeandmodel.Whenparallel
entwogeneratorsets,itis neces-
ized.Forthispurpose,eachunit
glampsandasynchronizingswitch.
twounits tobeparalleledmustbe
alleloperationtothe samebus.
tiepoints1to 1,2to2, etc.The
estarted asdescribedinpara-
nectedtoload.Thesecondgenera-
tospeedanditsvoltageadjusted.
econsideredastherunningmachine
oming.Besurebeforestartingthe
tthat thebreakerisin"off"posi-
el,thesynchronizingswitchshould
onatwhichtimethe synchronizing
honandoffat afrequencydependent
speedbetweentheunits.
edwhenthefrequencyofthese
andthe lampsareoutordark.When
hetwounits maybeconnectedby
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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SET
stingSc
ut.
akerandinstallthespare50 A.
mountedontheright sideofthecon-
MOVINGTRIPPINGELEMENTOFAIRCIRCUITBREAKER
ateonpanel.Removethefour
coverandremovecover.Thenre-
evicebythetwoholdingscrewsand
totheright.it willhangbyits
thebreaker.Removethethreelead
ablecontactsofthebreaker.Re-
nghandle.Thenraisethetrip ele-
ngagetheelementfromthebreaker
nedtoa rightsidecoverand,
theunusedelementshouldbebolted
ebreakerfromtheunit,
tedattheback,theundervoltage
thdrawnfromtheirclips,andthe
whichremovethefourrearholding
akerfromitssupports.
vablehandle,careshouldbetaken
tion"lineisatthe bottomorthe
dle,is rightsideup.
thefront coverofthebreakers
ytightenedto avoidstrains.It
progressivelytightenedasonewould
arwheel.Thesteelcoveronthe
edto giveanequalclearancebe-
oss beforetightening.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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SET
0CYCLETO50CYCLEOPERATION
60cycleto50 cycleoperation
ontheterminalbox located
terminalboardinlinewith
tachedtothe terminalbox,orsee
over'fromthevoltageregulator.
inalonthe smallresistoratthe
o positionmarked50cycles.
romtheswitchboardcabinet
mas aguide,reconnectwiresmarked
itionas showninthemarginalin-
onisgivenattheupper righthand
m,Figure17).
ngtothe instructionsin
tainthatthecircuitbreakerisi n
eadjustingscrewat the
ownin Figure18.Loosenthis
ratesatapproximately1500r.p.m.
et shouldnowbereadytooper-
volts.Allcoversshouldbe replaced
BEOBSERVEDDURINGOPERATIONS
ecleansingfluidonoraround
peration.Asparkfromthema-
echangesintheconnections
noperation.Alwaysstopthegen-
onchangesaretobemade.
newithrags,etc.,whileit
hmaybecomecaughtina rotating
ury totheoperatoranddamage
sarytopolishthe collector
emachineshouldfirstbestoppedso
ervethesafestposition forthehands
hbothcollectorringsatonce
ay becomeimbeddedinthesandpaper,
ridgeacrossthetwocollectorrings.
eeparagraph91.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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SET
CONTROLUNIT
egeneratortohand con-
rmallysuppliedby thevoltage
orisrunning,turn theexciterfield
oltagebeginstofall.Thevolt-
nshouldbeturned toincreasethe
regulatorisoutof circuitand
ledbytheexciterfield rheostat
rcontrol,turn thevoltagead-
ytoitsnormal positionandmove
slowlybackto itsnormalsetting.
ulatorwillagain operateinits
ORMERS
saresinglesecondarytrans-
owith5 Amp.secondary.Thecom-
sa24:1ratiowith5 Amp.mid-tap
ercurrentforcompensationatboth
dAattheterminalboard iscon-
n 60cycleoperationandthemid-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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NERATOR
ncyofthisBuda6-DTG-317gen-
thattheoperatorinspect,lubricate,
set atregularintervals.Regularityin
almaintenancewilleliminatethede-
bleandunnecessarydelays.
stinctionismadebetweenthe
s,andminorrepairswhichthe operatorcan
rm,andsuchmajorrepairsandoverhauls
bythemaintenancemenormechanicswho
equipment,andspecialdata.Such
themaintenancemanualforthis
orrepairswhichiswithinthe scope
eratorMaintenance.Themaintenance
data,andskill iscalledmaintenance
ionsmayvary,itissomewhatdiffi-
sastothe timeintervalswhenlubri-
ncebedone.However,thefollowing
o do,andwhen,canbefollowedunder
tions.
makeadjustmentsorrepairs,de-
ingare giveninChapterVIunderthe
eor generatorneedingsuchadjustment
NTNEEDEDBYTHEOPERATOR
BudaModel6-DTG-317generator
thefollowingtools:
0"
7/16x1/2
9/16x5/8
3/4x13/16
ead).. Sizes15/16x1"
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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uldbe
rkero-
graph
Be
per-
use
itis
om-
tno
ssed
nder
er,
PERATION
aintenancerecommendations.
kcasewiththerecommendedoil.
tofthecrankcasewhiletheengine
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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ment.SeeFigure48.
vernorandinthe fuelinjection
21.
artingmotorwithafewdrops of
ssively.
thebatteries.NOTE:In
ddwateraftershuttingdownoperation.
ofoperationstoavoidfreezing.
nd cablesleadingtotheinstru-
ropsof oilalongthesurfaceof the
ontrolandwithyourfingers,flexthe
oilto penetratethroughthewire.
rwith
nt-
ase-
tor.
uld
as
OTE:
at
OPER-
erarm
clear-
arm
ot
he
Fig-
attery
estartermotor
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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EY
onofFanBeltby Shifting
ectorsshouldbea partoftheregular
anremovetheinjectorstobeserviced
adysoserviced.Methodsforsuchser-
intenancemanualforthisengine.
gs,excitercommutator,and
ator.Thebrushesshould beinspected
ssure,andfreedomin theholders.The
dbeinspectedfordirtandoil onbrush
owbars,carbondepositsinthe under-
utatoringoodconditionwillhaveahigh-
showalight browncolor.Seeparagraph
collectorrings,should beinspec-
edcondition.
dsecondaryfuelfilters.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFOPERATION
operationmaintenance.
enginebywashingwithkerosene,
t.If thedirtisthick,allowto
washoffthe dirtwithhoseandwater.
hout anysludgeandcleantheoil
ecttheinsideofthe engine,checking
theconnectingrodsandmainbear-
onnectingrodbolts,nuts,andmain
ht.Checktheoilsuctionscreenfloat
acetheoilpangasket.
andardflushing compound.
esandall electricwiring.Re-
oakedwireswithnewones ofthesame
OFOPERATION
essoriesshouldbecompletelyover-
erepair.
gine accessoriesareundergoing
torandexcitershouldbeinspected.
conditionsaresuchthat the
eeds194°F.(90°C.)thegreaseshouldbe
18,19,21,and22.
theoverhauloftheengine and
enerator,andthecontrolunitare
Manual,SectionII.
OFOPERATION
xcitershouldbelubricatedaccord-
nin Paragraphs18,19,21and22.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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STMENTS
USTMENTSANDREPAIRS
rV,thereare certainadjustments
atormustperform.Theseservicings
ntenance.Thischaptergivesthe
ctionsforcarryingouttheseserv-
onaldescriptionoftheunits.
tionsforthoseservicingswhichcome
ratorare given.Completeengine
structionsaregivenintheMainten-
stheoperatormayhavetocheck,
alphabetically.
akeminoradjustmentsandre-
ph44ofthepreviouschapter.
TION
leanerto preventabrasive
seof enginewear,fromentering
is oftheoilbath type.The
terelementbeforeitentersthe
eengine.Inordertoremovethe dirt
mustbeproperlyserviced.
PCONNECTION
heaircleanerandtheintakemani-
atall times.Becauseofnormal
pshouldbecheckeddailyorevery
.
P
ptiedandcleaned,andrefilled
dwithengineoil daily,every
gure19 onPage41.Ifdust con-
ad,itmaybewise tocleanthe
every4hours.Checkthefelt
o theintakemanifoldadaptorevery
orcleaning.
MENT
ssemblyshouldbe soakedin
han aircompressorevery64operat-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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STMENTS
sareexceptionallybad,thisserv-
8 hours,oroftenerifindicatedas
electricalenergyusedto operate
plycurrentto thepanellight.The
nginecharginggenerator.
CINGTHEBATTERY
eelectrolytetogetbelow
Useonlycleandistilledwaterfor
herthanjustbelowthebottom
egassingwill causetheelectrolyte
d tothewaterasthis willgive
onditionofthebattery.Keepthe
ftheyshow atendencytocor-
yathin coatofvaselinetoprotect
Theoutsideof thebatterymustbe
electrolytethatmaybeonthe metal
ratedwithammoniaora bicarbonate
dof bakingsodatoonegallonof
wateranddry thoroughly.
eachcellwitha hydrometer.
85indicatesapproximatelyfullycharged,
ed,and1.150indicatesdead.Never
ddingwaterforthereadingwill
ndition,thisgassingis most
.Therefore,thevoltageregulator
maintenancerepaircrewforfaulty
theMaintenanceManual.Ifoneor
uiremorewaterthanothers,it is
dcellwhichshouldbe checkedby
TION:Donotallowthe batteryto
.It willbecomeruinedbysul-
E
cold weathertotestthespe-
ezesbetweenthetemperaturesof
elowzero,dependingonthestateof
teraftershuttingdownforthenight,
kly.Alwaysseethatit getsa
.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
MENTPANEL)
e
ONOF
t-
ic
nt,
d
h,allofwhichcontrolthegenera-
e27.Theenginecontrolsandin-
eraturegauge,oiltemperaturegauge,
ge,tachometer,enginestopcontrol,
stopswitch.
ONOFTHEINTERIOREQUIPMENT
urrenttransformersforthe
enttransformerforthevoltageregu-
nalboardsforthemainandsecon-
fuses.SeeFigure26.Thespare
ntforthecircuitbreakeris mounted
iselementisusedfor50 cycle
gramfortheunitis locatedonthe
nthismanual,Figure17..
ON
sdesignedto controlthethree
orwhichmaybeoperatedateitherof
PM.,127/220V
PM.,230/400V
oltageismadeby movingcon-
alboardof thegeneratorandon
heunit, andbychangingtheposi-
istormountedinsidethe voltage
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
espeedmustbeadjustedseparately
redoperation.Inaddition,the
entinstalledinthe circuitbreaker
tbechangedto thespare50Ampere
cycleoperationisdesired.Thepro-
rfor60cycleor 50cycleorfor
inparagraphs39,38, and35.
TION
,waterpump,andthegenera-
crankshaft.Thereshouldbeapprox-
ebelt atitsfreestposition.
TENSION
tcanbeadjustedbymovingthe
thelocknuton theadjustable
ndmovethegeneratorin thedirec-
e propertensionisobtained,
gure25on Page44.
T
fanbelt,alwaysloosenthe fan
lowthebelttobe slippedinplace
voidanyinternaldamagetothe
TION
317engineisequippedwithtwoftiel
and asecondaryfuelfilter.
Becausefueloilsarelessfinethan
regum,fineabrasives,andwater.
eringtheengineand therecausetrouble,
tageoffueloil filtrationisused.
sbe servicedasrecommended,but
houldbeinspectedandreplacedif
he fuellineisbreakingdownin-
accident.Thisinternalbreak-
articlesintothefuel stream.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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STMENTS
irVent
ARY
ug
e
e
-
)
TION
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
tor
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
edinthefollowingsteps:
FROMENGINE
nganylines,applykeroseneor
ctionsinorderthatdirtand grease
ubingandleak-offlines (See
overtheiropenendswith clothor
entranceofdirt. Removetheholding
yfromtheengine.Becarefulnotto
eagainstanyhardsurface.Ifthe
kbecauseofcarbondepositswithinthe
orcanberemovedasshownin Figure
gtopreventdirt fromentering.
torLines
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
-
actionis bymeansofacontrolroa
r.Inordertoobtain continuedlong-
nto thefuelinjectionpump,in-
nofthis finemechanism.Theopera-
propertoolsandequipmentandnec-
dnotattempttoservicethefuelin-
ervicesofwhichheis capable,
tedfuelinjectionpumpdifficulties
maintenancerepairasoutlinedinthe
ctionII).
erator'sattentionthatthe
ontributingtolongandtrouble-free
onpumpisproperfiltrationof the
ratorshouldfollowtothe letter
ervicingtheprimaryandsecondary
hs68to70.
EINJECTIONPUMP
tionpumphousing(camshaft
aysbefilledwithagoodgradeof en-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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STMENTS
ction
mpandGovernor
perlevelof whichcanbedeter-
gaugerod.Thepumpplungersdonot
cethisis inherentlycontainedin
Theoilgaugerod isprovided
the highestpermissablelevelof
isrepresentedbythe endofthe
il showsuponit,swithdrawalfrom
elis toolowandmustbe broughtup
nreached.Theoilisfilled in-
ghthe oilfillerandbreather,as
helubricatingoilinthe pump
ineoilischanged-atevery64hours
his,removethedrainplug which
ONPUMP
tarted,theinjectionpump
of airbylooseningthefuelr e-
pofthe housingasshowninFigure15.
TIONPUMP
umpwith theengine,thefol-
y:
to timethefuelinjectionpump
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
ion
s
hole
is
hat
st
ve
ems
-
romthecapscrewsofthefuel
thethreecapscrewssothatthe
eFigure36.
lerPipe
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
thepumphousingimmediately
b.Theoneis verticalandindicates
pump.Theotheristothe leftof
8ofa turnandindicatesportclos-
einjection.SeeFigure37.This
he gearhubtiminghole.If neces-
tilthistimingmarkis inthecenter
umpis nowinroughtimewiththe
rews.
rate,removetheNo.1 injection
ump.RemovetheNo.1checkvalve
thefuel injectionpumpandreplace
outthecheckvalve.SeeFigure38.
heelbackward1/2turn(turn
ggears).Atthisposition,the
the No.1angleconnectionbyoper-
hefueltransferpump.
n thedirectionofrotation
tethehandprimerof thefueltrans-
theopenconnectionseepsslowly.
wninFigure39,blowgentlythe fuel
eningastheengineis beingslowly
erbeingoperated.Byblowingthe
momentwhentheseepagestopscanbe
efuelseepagestops,the cranking
timing markNo.1F.P.I,observed
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
ckValve
geAway(TimingInjectionPump)
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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STMENTS
theflywheelhousing.Thismark
nterofthehole.SeeFigure34. If
vancedorretarded.Ifthetiming
arkNo.1F.P.I,is approachingthe
singtiminghole.If retarded,the
etimingis retarded,loosen
huband turnthehubclockwise(as
gree mark.Iftimingisadvanced,
rnedcounter-clockwiseonedegreemark.
ubcounter-clockwise,asshown
nthehubretainingnut.ExertJust
enchhandletomovethe hub.Tighten
kthetimingbeginningwithStep6.
eatthe foregoingproceduremorethan
g.
diatelyuponportclosingwhich
dcenterofNo. 1cylinder,asmeas-
arkedNo.1 F.P.I.
ging)
eneratorchangesmechanicalenergyinto
ourceof electricityforsupplying
ngine andfortheotherengineacces-
sourceofelectricity,butonlya
ure41.
arginggeneratorframeisa combi-
voltageregulatorunit.Thecircuit
itchthatclosesandopensthe circuit
dthestoragebattery.Thecircuit
eryfromdischargingbackthroughthe
espeedfallsbelowtherequired speed
ebattery.Thevoltageregulatorre-
twhenthemaximumisnot needed,thus
batteries.Theoperatoriscautioned
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
y adjustmentstothevoltageregulator
eequipmentnorthenecessarydata
orservicingsotherthancleaningthe
th.SeeFigure42.
UTATORANDBRUSHES
ectthecommutatorandbrushes
ocheckforhighmica(insulation
perbarsofthecommutator)orfor the
ound.Visuallyinspectallthewiring
egulator,fromthe regulatortothe
erytothe groundforwornorfrayed
ndforlooseorcorrodedconnections.
r discolored,itcanbecleaned
00sandpaperagainstitwhilethe arma-
the sandoutofthegeneratorafter
.Ifthecommutatorisroughorworn,
movedandcompletelyoverhauled.See
eelyin theirholdersandshould
commutatorsegments.Ifthebrushes
tofalignment,oilsoakedorwornto
inallength,whichis 7/8",the
d.
HES
rnbrushes,lift thebrusharm
eadasillustrated,and installthenew
rtainthatthe brushisputin sothat
shmatchesthe curveofthecommu-
ttobesurethat thebrushedgeis
gGov-
or
H
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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STMENTS
nt
ntrolsofvoltageregulator
using No.00sandpaper.
hecommutator.Withtheabrasiveside
brushatitsproper springtension,
rdordownward,makingcertainthatthe
beingsanded.Donotsandexcess-
breaktheedgeofthe brush.See
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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USTMENTS
RINGTEKSION
thethirdbrusharmnear theend
othe faceofthebrush.Takethe
avesthebrush.Thethirdbrush spring
0ounces.Withthemainbrushes,hook
nthe lipofthemainbrush armand
efaceof thebrushlThemainbrush
ouncesmaximum.
ATOR
hould begiventhreetofive
the oilerinthetop oftheend
tatorendoilpocketwithengineoil
ilandoverflowholein thecommuta-
ure41.
ORFUSE
edin thebaseofthevoltage
re44.It isafiveamperefuse and
shouldbereplacedbyoneof the
isheldinplace byathumbscrew.
PTION
overnoris tomaintainwithina
denginespeedwiththe normalidling
eedrange,irrespectiveoftheengineload.
ontrolstheengine idlingspeedto
aximumspeedtopreventracing.The
unit, rigidlymountedtooneend
The governorisinternallyconnected
ol rod.SeeFigure33.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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STMENTS
VERNOR
uldbefilledwith engineoilup
ycasting.SeeFigure33. Theoil
64operatinghourswhenthe fuelin-
seoilischanged.
EED
W.Setthegovernorto1800R.P.M.by
ngscrewshowninFigure18 onpage36.
gcircuitbreakerto"Off"position.The
nthetachometershouldbe1845R.P.M.Ifnot,
ndturnthe surgeadjustingscrew1-1/2
speedisover1845- andturnout
5.Againapplyloadandset thespeed
Figure 18onPage36.Againdisconnect
erfor1845R.P.M.NOTE:Itmaybeneces-
gprocedureseveraltimesto obtainexact
orparalleloperation.Installthe lid.
XCITER
ngthegenerator,thenecessary
lconnectionsforloadingthegenera-
swillaid theoperatorarealready
riodsof servicingsforwhichthe
givenin ChapterV.
ation,keepingtheexcitercommu-
hspringtension,cleaningtheslip
atingnewbrushes.Thefollowing
servicingscanbebest accomplished.
bricatingthegeneratorisalready
ubrication,paragraph17,themethod
edhere.
edoutthat therearecertain
ervedwhileservicingthemaingenera-
follows:
ecleansingfluids,whilesetis
newhileitisrunning.To polish
mmutator,themachineshouldbefirst
tormayobservethe safestposition
hbothcollectorringsatonce,
ecomeimbeddedinthe sandpaper,
ridgeacrossthetwocollectorrings.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
RNATORRINGS,EXCITERCOMMUTATOR,AND
ectedforwear,properspring
heholders.If thebrushesarestuck
ubstances,theyshouldberemoved
sandinsulatingsupportsshouldbe
igtailconnectionsshouldalwaysbe
withCommutatorcoverplateremoved.
houldbeinspectedforroughness
shouldbe smoothedinaccordance
inparagraph91.Badlyroughened
trued inalathe.Thisbecomesan
ancerepairasoutlinedin theMain-
I.
einspectedfordirtandoil onthe
ghorlowbars,carbondepositsin the
eFigure45.Acommutatoringood
yglazedappearanceandshowa light
nisconducivetolongcommutator
notbedisturbedotherthanto clean
non-lintingcloth.Ifcommutatoris
d,itshouldbepolishedwith #00sand-
Theremedyforhigh orlowbarsis to
a lathe.Thisisan operationfor
linedintheMaintenanceManual,Sec-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
ENERATORANDEXCITER
tershouldbe keptascleanas
ndexternally.Accumulationsofoil
witharagslightlydampenedwithgas-
all partsarecleanedanddriedbefore
oiddangeroffire.Againit isempha-
r keroseneinoraroundthemachine
ceasparkfromthecollectorrings
thecleansingfluid.
ternatorand exciterclean,pre-
ycompressedair.Makecertainthat
pressedairlines.Alsoairof extreme
d1'ir thispurpose,sincetherewould
ulationanddamagingthewindings.
poundsshouldnotbeusedin blowing
eratedin extremelydirtyatmos-
donemoreoftenthanindicatedin the
windingsbecomecakedwith
s,thatcannotbe removedwithair,
edisassembledandthewindingsthor-
hdampenedwithgasoline.Thewind-
driedbeforereassembly.Thisbecomes
ncerepairasoutlinedin theMaintenance
THINGTHEEXCITERCOMMUTATOR
waysbekeptcleanandwell-polished
non-lintingmaterial.Novaselineor
dbe usedonthecommutator.
esrough,theroughnessmaybere-
mmutatorwithapieceofsandstonefrom
sbeencuthavingthe sameradiusasthe
oneisnoteasilyobtainable,#00sand-
sing itagainstthesurfaceofthe com-
edlikethesandstone.In bothcases,
erunatthe highestenginespeedduring
vingtheroughness,thesandstoneor
edbackandforthalongthe surfaceparal-
ginerunningatits highestengine
thebrushesare raisedfromthecom-
ontoavoidunnecessarybrushwear
vebecomingimbeddedinthesurface
movedfromtheundercuttinggrooves
ardwoodshapedtothe widthofthe
aper.Alsosuitableforthisoperation
defromwhichthesethasbeenground
awblade,however,exercisecareto
mutator.Afterthecommutatorhasbeen
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
orandbrushfacesshouldbecarefully
twhichmightcutor scratchthecommu-
THSHOULDNEVERBEUSEDONA COMMUTATOR
NGS
htherings,all thebrushes
unnecessarybrushwearandtoprevent
ecomingimbeddedinthesurfacesof
sbe keptcleanandwellpolished
non-lintingmaterial.SeeFigure46.
escriptionshouldbeusedonthe rings
sbecomeroughorpitted,therings
ishingwitha pieceofsandstonefrom
sbeencuthavingthe sameradiusasthe
vailable,thensandpapermaybeused
faceofthe slipringswitha block
ndstonementionedpreviously.SeeFig-
machineshouldberunat itshighest
process.Ifthe ringsarebadly
sesandpaperorsandstoneshouldbe
pwitha finergradeofsandpaperfor
sis done,theringsandbrush
ycleanedinorderto removeanygrit
torscratchthe sliprings.
RINGTENSION
rspringsare designedtogivea
Thispressureisnot criticalonthe
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
prings withapieceofsandpaper
wood.
essurewillbemaintainedindefinite-
circuitopensandpermitsthebrush
current.Ifthisoccurs,thenthe
andshouldbereplaced.Theexciter
gnedtogiveapressureof 10to13
ealternatorbrushholder spring,
nsionindefinitelyunlessthebrush
rmitsthebrush holderspringto
cursand thespringpressurefalls
gsshouldbe replaced..
re,hookasmall springscale
ximately1to2 poundsunderthebrush
hereitbearsonthe brush.Pullthe
edirectionof thebrushtravelin
nthe fingerisjustlifted offthe
bemade.
TINGBRUSHES
eexciteroralternatorareworn
nallength,theyshouldbereplaced.
ewbrushes,thebrushshouldbe
normalbrushspringtension.Drawa
er,withthesandedsideagainstthe
tation followingthecontourofthe
ealternatorslipring.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
ryclothontheslip rings,the
es.
donewith#0or#00sandpaper.
minutesand inspectthebrushcontact
g.Ifnotperfectlyseated,repeat
th#0or#00 sandpaper.
mportantthatthebrushesor both
bereplacedwiththe sametypeand
hemanufacturer.
TION
etallicand carbonparticles
stonsurfaces,andremovesthesludge
lt ofcondensation,andbyfiltering
neswithcrankcasegases,thefilter
eration,from5%to10% oftheoil
oilfilter,throughitsbuilt-in
sinto afilterbasewherewater,
rticlessettleout.Fromhere,it is
filteringcartridgewherethecotton
clesand absorbfineforeignparti-
sthetop outletandissent backto
ilFilterElement.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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STMENTS
gs
ofOilFloatAssembly.
ilpumpdeliversfrom50 to100$more
ke,the pressureisseldomaffected
etravelsthroughthe filtermany
RELEMENT
blybyturningthehandleatthe top
wise-.Removethedrainplugtodrain
mpandto breakthevacuumcreated
nt.Pullthedirtyelementout bythe
* Flushoutthefilterhousingwith
ementevery128hoursand replacethe
vergasketwithanew one.Withfil-
,checkforleakagebyrunningtheengine
OTE:Donotremovethefilterelement
vingtheoilin thecrankcase.Leave
ewashingfilterbodywithkerosene.
TION
screenarrangedto riseand
crankcasesothatonly thebest
s-thusavoidingthesludgeandfoan
ebearingdamage.SeeFigure49.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
T
ved,checkthejointaboutwhichthe
mustbefreeofanybinding.A
or adamagedcastinginwhichthefloat
ngatthat point.Thedamagedparts
thetubecannotberemovedfromthe
ntireunitmustbe replacedifthetube
TSCREEN
ved,examinethescreenand,if
ovingthefloatandwashingit ingaso-
owthecompressedairthroughthe
articularlybad,bendout theears
yingparticularattentiontothe posi-
encanthenbethoroughlycleaned
eldshouldbecarefullypositioned
verthe bodyflange.Clinchtheears
TION
eradiatortubesby thefancools
ngthroughthetubes.The hotwater
oolingas itgoesdownward,andleaves
outlet,to enterthewaterpumpandbe
ngine.NOTE:Theuseofhardwater
theenginewaterjacketsandinthe
ndingtoclogthecirculation.Where
notbeavoided,useacommercialwater
ATOR
andflushit.Examinethe
tegration.Someanti-freezesolutions
herubberhose connectionstodeter-
bberpassinto thesystemandob-
Ifthesystemis clogged,attacha
radiatoratthewateroutlet connection
dsofwater pressure.Thisreverses
arrythedirtor particleswhichhave
bes,backupwardand outthroughthe
e radiatortooverflowthroughthe
y.Iftheradiatoris sobadlyclogged
otserveto freethecirculation,then
etaken:
ATOR
tofmuriaticacidtothree parts
itytofill theradiator,orasolu-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
ourpoundsofcommerciallyeaddedto
ertofill thecoolingsystem,allow
stand inthesystemforthree orfour
ndthoroughlyflushthe coolingsy-
OR
dsolderor radiatorcompoundsto
oclogtheradiatortubes.Aleaky
dbysolderingin theregularmanner.
cerepair.
RPTION
epushrods,whichinturn operate
bearingdirectlyonthe endsofthe
vestoopenandclose.The rockerarras
sof adjustingthevalvessothatthey
y.
ARMCLEARANCE
ethat,atalltimes,thereis the
cebetweentherockerarmsandvalve
beoperatingveryslowlybutat
enthecheckismade.Theintakeclearance
haust.012".Insert thecorrectfeeler
erarmandthevalvestem.SeeFigure 23.
ugebackandforth.If theclearance
notethat thereisjusta slight
whichmomentarilypreventshimfrom
ftheclearanceis notcorrect,this
sswhichwill notpermitthefeeler
onsiderabledrag.Ontheother hand,
withoutanybinding,the clearanceis
ARM(TAPPET)CLEARANCE
hownin Figure23onpage43,
nthe adjustingscrewineitherdirec-
djustmentthatis needed.Tightenthe
iththefeelergaugeasoutlined inthe
cessary,repeattheadjustingopera-
mentis made.
ARMLUBRICATIONANDWEAR
clearance,checktherockerarms
Thereshouldbeaseepageofoil
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STMENTS
arms.Alsocheckthewearon the
ctsthevalvestems.If undulyworn,
maintenancerepairwhoshouldreplace
L
ntrolisdesignedfor usewithDiesel
ginesagainstoilpressure failureor
.SeeFigure16onPage32.The control
ctedtothesolenoidfuellineshut-off
whichclosesthefuel linevalveand
aseoflowoilpressureor highcooling
ontrolhasbeensetatthe factory.
necessarytore-set.Howeverthe
egiven intheMaintenanceManual.
maintenancerepairpersonnelbecause
eededtomaketheadjustments.
n,thecauseoffailure mustbe
eisagainstartedand allowedtooper-
ofautomaticshut-downduetoover-
temperaturemustdropapproximately35°
e-started.NOTE:Undernocircum-
oraddcoldwaterto anOverheatedengine
dbeseriouslydamaged.
ankstheenginewhenthe starting
etweenthestoragebatteryandthe
Bendixdriveengagesthestarter mo-
elwhenthe motorrevolvesanddisen-
rts.Whentheengine starts,theBendix
thanthesleeveoftheBendixand
ongthethreads,thusautomatically
heflywheel.
ATORANDBRUSHES
ndinspectthecommutator.Ifthe
olored,itcanbe cleanedbyholding
peragainstitwhilethearmatureturns.
motoraftercleaningthecommutator.If
rworn,the startingmotorshouldbe
andoverhauled.
eelyin theirholdersandmake
tator.Makesurethebrushesare per-
mutatorsegments.Ifthebrushhold-
ushesareworn tolessthanonehalf
otorshouldbe removedforanover-
epairasoutlinedin theMaintenance
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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STMENTS
thewiringinsidethe motoraround
g fromthebatterytotheground,
tingswitch,andfromtheswitchto
rodedconnectionsandforfrayedin-
ERMOTOR
engineoiltothe oilerinthe
regularperiodsrecommendedinChapter
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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STORAGE
gyCellCoverPlates.
NERATORFORSTORAGE
facesshouldbe slushedwitha
edbeforeshipmentorstorageto pre-
ristobestored foranylengthof
orust shouldbeinspectedperiodi-
y30daystoseethatrustinghas not
ushpartsifrequired.The maingen-
witha water-proofpaper.NOTE:If
eheatingsystemshould beprovided
he generatorfromalternatefreez-
cheaterwitha thermostaticcontrol
chequipmentisavailable.
erplates.SeeFigure51.
lugsandpourone ounceofrustpreven-
hencranktheengineoverwiththe
lopen forafulltwenty-five
energycellplugsandtightendown
hendrainthecrankcaseandalso
mthe injectionpump.Fillthe
ntofthefuelinjectionpumpwiththe
re.Replacethebreatherandfiller
thebottomofthebreatherof thefuel
pethevent holeinthetop ofthehand
ump.
coverandpaintthe rockerarm
swiththerust preventative.Replace
dandreplacethe aircleaner.
dfor storageorshipment.
batteriesandstorethemsepar-
vailable,foran unusedorstoredbat-
edoncea month.Ifthebatteryis
hargedstate,itwillberuined by
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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VICE
ATORSETFORSERVICEAFTERALONG
ror theenginewaspreparedfor
foregoingparagraphs,thefollowing
cethembackin service.
tivemixturefromtheentire
ctionlinesto thenozzlesbydiscon-
dsecondaryfuelfilters.
compartmentoftheinjection
oper gradeoflubricatingoil.
ealedup theventandbreather
mtheair intakemanifold,andexhaust
sandpreparetheengine for
ph32, ChapterIV,afterthefollow-
emaingeneratorthathavebeen
ventrusting.
dexciterball bearings.If
sbecomeoxidized,thebearingsand
washedoutthoroughlywithcleangaso-
earingsandhousingsrefilledwiththe
ofgrease.Seeparagraphs21 and22.
gsandcommutator.Ifthese
ebrushesshould beraisedinthe
ctorringsand thecommutatorpol-
.
Makesure thattheymovefreely
generatorshouldberun atnoload
utesin ordertodetermineifthe
mallybeforeapplyingload.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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toooften thatover90%ofengine
bygoodperiodicallubrication,inspec-
alreadyoutlinedinthis manual.The
dinsodoing isonlyafractionof what
ubletiesup theoperatorandhisopera-
esometimesdonottakethe stepsthat
eveloping,andsometimestrouble
our own.
ssible,thetroubles thatmay
ymptoms,causesandremediesis
notwithin thescopeoftheoperator,
ansthattheengineor themain
tionofthemaintenanceshopwhichhas
nddataasoutlined intheMain-
I.
osections.Thefirstchartap-
andthesecondchartapplies tothe
olunits.
or
-
er-
o
ve.
ys-
k,
p.
ex-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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a t h i t r u s t . o r g / a c c e s s_
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HART(Continued)
Also
ror
gs,
s,
d
h
ns.
umpasa
o
op
-
for
In-
for
-
-
o
e
ris
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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HART(Continued)
should
cere-
w
r.
ance
ance
gs
wash
pressure
e-
pump.
main-
ance
ance
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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HART(Continued)
ance
ed
ance.
asa
o
er-
ain-
-
m.See
y main-
main-
n
Sec-
ations,
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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HART(Continued)
ecanbe dividedInto
chcannotbedirectly
ocess.
eitherfrom loose
el,improperlyadjusted
-byduetosticking
causedbytooearly
e speedandloadon
e totoogreatanad-
propertimingof the
herthanfuelknocks
undingthe knocksout
tionsandbycuttingout
enthe looseorIncor-
d,theremedyIs
ncetoarticlesunder
willbe foundhelpful
ections.Becausethese
ebyanexperiencedme-
dreportanyofthe men-
aintenancerepair.
kingor wornnozzle,
es,stuckorworn
nders.Checkthein-
ranceandmakesurethat
theguide.Checkfor
tresort,assumethe
ectionpump.Ifthe
omesajobforthe
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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LECHART
air.
air.
air.
gs.
air.
air.
gs.
n-
ers
e
air.
ease
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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LECHART(ConI'd)
r.
eFig.
n-
ers
e
air.
free
ushes
air.
air.
air.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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LECHART(Cont'd)
s
on.
air.
air.
air.
utator
.See
nel
e
air.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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sfortheinformationandguidanfl
personnelinoverhaulingtheBuda6-Dfl
ratorsetanditsaccessories.SeeFl
ceinstructionsaretheresultofactm
andincludespecifications,tolerances
eassembly,inspectionandrepair,test!
eededforthe overhaul,andafewhint
andrepairaresuchservicing
movalof theenginefromthemachin
inChapterVIII.Recommendedlubr
heretolubricatetogetherwit
ubricationandmaintenancearegiven
ctionI.Instructionsfororderir
sManual,SectionIII.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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,Toolsand
s,Tabulated
sions,Capa-
ratorSet
rSet)1-2114-116
nspectionof
................4117-134
mentofEngineParts51 35
.....6135
Bushings,Sleeves.7-11135-138
.......12-14138-140
onnectingRod
..15-18141-143
,RockerArms
.....19-32144-148
Housing........33-34149
...35-37150-151
•.........38-39152-153
..............40-42153- 155
..............43156-1 83
nspectionof
msandtheir
...........45174
FuelTransfer
6-49174-179
dNozzleHolder)50-63 180- 186
....64-691 86-193
.......70-72 193
......73193 -194
m.................74194-195
VoltageRegulator75-91195-206
.........92-114206- 219
.............115-119219-223
............120223
.121223-224
....122-125224-225
....126-128 225-226
226
00-E
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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................130226 -227
..........131-132228
...133-136228-231
e.............137231
ndService
torandExciter138-150232-238
dReassemblyand
..............151-161238-247
rouble............162-166 247-250
................167250-252
ataandVarnish
.....168-176253-257
eofControl
...............178-186258- 262
strumentSwitches.187-189262-264
witchboard........190264-266
..........190264- 266
...............191266
t.............192266
...........193266-268
Operation.......194268
...........195268
mentofAirCir-
...196268- 269
ycleto50
......197269
...........198269
Set,Testsand
...............199270
GeneratorSetAfter
......200-201270-271
ts— Tappetsand
201-202273- 275
erhauls
erSubmersionin
203276
ofGenerator.......204276-277
............205277
..............'206277
..........207277
...........208-212277- 279
CTION
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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30KWDIESELGENERATORSET
AirCell
mmeter
39152-53
Connect-
1
gs38..152
amshaft
hings11.137-38
8142-43
Rods15141
17141
87262
58
erior
eration
elEqulp-
Unit
186262
82260
183261
tem120223
dand
135
r14140
ar13138-40
38
ketsFor
orTube
Cylinder
rArm
6... 147
ndSeats
es9137
Generator
277
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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dCollec-
mbly
y153..241
Data
47
nsion
torand
8236
enerator
Brush
ure142..233
Rings,
Brushes
ousing
3
on139..232
s164..248
Servicing
0232
es155.242
sand
mMain
w
156243
atal73.255
shes
8
Wind-
orCoils
nces....1O9
70193
Filters
uel
nspec-
176-79
a47.176
ump
m45174
a47....176 P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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3
Diesel
ITCH
rting
99210
dStart-
nd
heSole-
112217
19
ng
Replacing
28
228
LVE
Oil
...231
230
3228
OilPump
DAND
ycleto
9
91266
eration
8
92266
6-67
Tripping
ker
69
iston
Re-
4
6225
or128.226
tor127.225-26
very128
-7
99210
tor92..206
otor101.210
uled
endix
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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TEDDATAONTHE
ENERATORSET
G-317.
valves,fourcycle,sixcylinders.
eengine.
tartingandrunning.
perkilowatthourunderfullload.
ystemtoallcrankshaftbearings,
pistonpins,valverockerarms,and
ofcamshaft.
dby-passvalve.Thirtytoforty
ependentuponspeed.
GS
ticallyanddynamically;Tocco
gsurfaces;drilledforpressure
inbearings-7.
m)1-1/2"
m)1-1/16"
m)1-1/16"
m)2"
m)1-1/16"
m)1-1/16"
m)2-1/8"
N
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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,precisiontypebearings.Number
Diameterbolts- 9/16".
attreatedandcarefullybalanced
ssurelubricationofpiston
er,9-1/2".Numberofcapbolts-
lcapbolts-chromenickelsteel.
siontype,steelback.Diameter-
41.3mm)1-5/8".
DRCASTING
einonecasting,chromenickeliron.
gidityandpermanentalignment
nkcasebreathingthroughinletport
ther.
e,easilyremovedorreplacedinthe
on,ground finish.
ated,hardenedandground,integral
type,bronze,pressurelubricated.
34.9mm)1-3/8"
22.2mm)7/8"
22.2mm)7/8"
7.0mm)1-1/16"
ation-forcefeed.Numberof
Operatedbypushrodsandrocker
r-2.Diametereffectiveinlet-
Material-Inlet- Chromenickel
usteniticsteel.
eplaceableexhaustvalveinserts.
menickelsteel.Numberperhead-
ofrings-5.Width ofrings-com-
trolrings,3/16".
0"
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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bearing,total-2-29/32"..Rill
o35° Baumegravity.SeeFuel
r'sManual.
positivemechanical(solid)in-
gthofstroke.Amountoffuel
rautomaticallycontrolledbygov-
Numberpercylinder-1.Hori-
pistonhead,doesnot strike
silyremovedforinspection.
uarts
arts
XCITER
M.Freq.PhaseVoltsAmps.
3127/22098.5)
4045.1)
eraturerating:Open,50° C.-
lation.
mps.Winding
t1256 Shunt
peraturerating:Open,50° C.,
tricCompanyMachineSpec.No.6971.
ficienciesareasfollows:
areself-cooled,theexciterby
the shaftofthearmature.The
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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vecouplingcoolsthealternator.
ElectricCompany,St.Louis,Missouri.
ES
erbearinghousinggreasecapacities-
ces
s
-OO
-4804D
97 P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
7/28/2019 Tm 5-5090 GENERATOR SET, BUDA
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7PermElectricSwitchCo.1501
28PermElectricSwitchCo.6500
8ElectricAuto-LiteCo.MBR-1003
ase)... 2,995pounds
0"
75"
nches
e
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e:
rol
rance:
learance:
ce:
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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009.015
.007.015
035.005
p).005.008
e
005
t)
ng:
ge
sing
bottomcenter
opcenter
opdeadcenter
tomcenter
ANCES
chthatendplayis centralizedin
tthe rotorcanbemoved.0625"
0!
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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HVALUES
hepoundstensionrequired.to
pscrewsofthediametershown.
FORCOMPLETEOVERHAUL
ecessaryforthecompleteoverhaul
ingtheengine,engineaccessories,
egiveninthefollowinglisting.
ithanasteriskarefurnishedwith
7/16",1/2",9/16",19/32",
16",7/8",15/16",1".
andle
widthblade.•
7/16"- 1/2",1/2"-9/16",
8",5/8"- 3/4",*3/4"-13/16",
d10".
es,*8",'HO",and12".
eratorset.
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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and8"
eadhammer1#
4"-12 oz.
/2or2#
shouldincludepunch,*l/8"point
diameterpointand6-1/2"pin
2,.003,.004,.005,.006,.008,
5,.020,.025inch.
eratorset.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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OR
OR
"andone 5/16"alienwrenches,
ULLER*
n,fordiameterof 2-3/4".
witharmsat least8"longbeneath
ningofatleast5".Arms should
gtospecificationsinFigure298.
3"to4".
eratorset.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
7/28/2019 Tm 5-5090 GENERATOR SET, BUDA
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NDHONES
ER
es
eratorset.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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ENERATORSET
overhaulofthe generatorsetwill
essarystepsforthe disassemblyofthe
disassemblyforgeneraloverhaulof
ngineandits accessories,themain
dthecontrolunit- willbegivenin
ecomesnecessarytorepairany
uetoanaccident,allthe stepsof
dinthesubsequentchaptersmaynot
vicingsorrepairsthatmaybecome
cludedin ChapterVIII.
beforethegeneraloverhaul,
rwhichthe maintenancepersonnel
y128,256,384,and 1,000hoursof
every25Ghoursofoperation,the
moved,inspected,cleaned,andchecked;
sofoperation,the valvesshouldbe
rator,andvoltageregulatorshouldbe
isualinspectionmadeoftheengineand
eneratorandexciter,andthecontrol
eseservicingsaregivenin paragraphs
3and 94.
ldtakeplaceafterevery2,048
gine,thealternatorandexcitershould
elyandanywornpartsreplacedorre-
hits controls,instruments,and
ycheckedandinspectedandanynec-
mentsmade.
YOFTHEGENERATORSET
eoil.SeeFigure102.
eeFigure102.
at theprimaryfuelfilter,
onnectallleadsandconnectionsfrom
it, disconnectingthemattheengine,
thealternatorandexciter,dis-
ernatorandexciter.SeeFigure102.
oltsfromthebaseassemblyof the
econtrolunitand baseassembly.
mountingboltsofthemaingenera-
hookedintheliftingeye ofthe
orenoughtoblockup theengineso
ntheblockwhenthemain generator
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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LBS
gineon GeneratorSet.
TG-317,30K.V.GeneratorSet,showlr-
pling,Fan,LiftingHook,etc.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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hatthe weightisevenlydis-
ksandthechainhoist.
pscrewfromthecouplingandthe
oldthe flywheelhousingand
dpullthe maingeneratorawayfromthe
tmountingboltsandwith the
romthe frame.
thecompleteoverhaul.
stallingGeneratortoEngine.
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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OFENGINE
DINSPECTIONOFTHEENGINE
emechanicshouldobservethecondi-
andassemblies,andheshouldalso
surementswhicharegiveninthefollowing
seobservationsandcheckswillindicate
mentsarenecessary.Ifthisdisassembly
eresultsonly inathoroughcleaning
essories,muchwillhavebeengainedin
lifeoftheengine andalsoassuring
e
s- rubberstopsandfelts-
.
e
cket
ersandSolenoidValve.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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OFENGINE
SSEMBLY
ndthebatterycharginggenera-
vebeenremoved,thefollowingsteps
ollowed:SeeFigure102.
dplug theholessonodirt can
movethemountingbracketto
maryfuelfilter,andthe solenoid
05.Removethefuelfilterand sole-
fuelfilter.SeeFigure105.
k-offlines,bothatthe injector
ump,asshowninFigures106and 107.
ctorLeak-offLineatInjector.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFENGINE
eclampsandunscrewthenuts at
hefuelinjectionpump.SeeFigure109.
attheinjector.SeeFigure 108.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFENGINE
lubricatingoillineto thecylin-
tionislocatedin thecrankcase
ectionpump.SeeFigure110.
LinetoRockerArm.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFENGINE
uelinjectionpump,andtheadapt-
gearhousing.SeeFigure 111.NOTE:
ovetheexternalrockerarmoilline
theyarecarbonizedandwill not
bepriedout asshowninFigure112.
exhaustmanifold.SeeFigure113.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFENGINE
nifold.
erandunscrewandremovetheeight
rarmassemblyin place,andremove
114.
ckerArmAssembly.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFENGINE
ectionstothepumpandremovethe
folds.Notethewaterdistributors at
rankcase.SeeFigure115.
ead.SeeFigure116.
terInletManifold.
nderHead.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFENGINE
ercover.Removebracketcap-
velifterbracketandthelifters, as
he fingersheldagainstthelifters
eirfallingthrough intotheoilpan
mp.SeeFigure118.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFENGINE
ftjaw,asshowninFigure118,and
ethecrankshaftdrivepulley.
casecover.SeeFigure119.
ntGearCaseCover.
thecam,idler,andcrankshaft,
r,asshowninFigure120.If the
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFENGINE
hereit mesheswiththeothergears,
etheidler gearwithanoversizegear.
ndplay byinsertingafeeler
ubandthe thrustwasher.Thisclearance
7".See Figure121.Excessiveend
mebyreplacingthethrustwasher.
NOTE:Theidlergear capscrew
eFigure122.
,,;
rGear.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFENGINE
shaftlockscrewbyfirst re-
wninFigure 123.Theshaftcanbepulled
pe,asshownin Figure124,withthe
sher.
ushingclearancewithafeelergauge
ushings,whichshouldbebetween.002"
5.Ifthis isexcessive,thebushings
ructionsforbushingreplacementare
mshaftBushing.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFENGINE
thatholds thethreecamshaft
eFigure126),removethecapscrews,
AMSHAFTGEAR
ThrustPlateCapscrewLock.
f thecrankcase.Becarefulwhen
otto damagethebushings.
he
as
-
ted
e
-
e-
-
e
e
empt
ace.
ews
t
eeloffthebolts.Screwtheseintothe
huboftheflywheelandpushthe fly-
e 128.Thesecapscrewscanbeused
eeloutofthehousing.NOTE:In
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFENGINE
hreadsontheflywheelboltsin the
ckon.
theengineonits leftside
ousingwiththeaid ofthechainhoist
ourcapscrewsanddowelboltnuts,as
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFENGINE
eoil
e
s.
ch-r-
end
nd
n
e
nd
-
main
a
ween
he
s
re
wn
l.
e-
g
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFENGINE
housing.Fourcapscrews,two
twodowelboltnuts,asshowninFigure
ecotterpinsfromthe connecting
dpushtherods outthroughthecylinder
ulnottomarthecrankshaftorthe
NOTE:Agoodpilottoolforpushing
oodenhandlewithapieceof copper
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFENGINE
e tubeslipsoveronebolt andthe
idetoavoiddamagingthe bearing
Replacethecapsandthenuts ontheir
andtheconnectingrodsareall num-
UTION:Donotreversethe position
bereplacedintheiroriginalposi-
ectingRodBoltOver
e
e
he
oil
ELLOCATINGHOLES
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFENGINE
ved,asshowninFigure136, withtwo
od,andtwobolts. NOTE:Themain
dconsecutively,startingatthefront
ine,1to7 inclusive.
werHalfOilSeal
shaftoutofthe crankcase,as
nottodamagethebearingsurfaces.
ps
nkshaft.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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OFENGINE
ofthe bearingoilsealanddis-
SeeFigure138.
romboththecrankcaseandthe
gsarenotnumbered.Therefore,they
emovedsothattheycanbe placed
cesexactlyastheycameoutif they
d.Eventheirindividualpositions
capsmustnotbereversed.If any
edorburned,itis recommendedthat
ot Justone.
e plugatthefront endof
therearend.SeeFigure139.
ereliefvalveand theoilline
gure140.
elydisassembledexceptforthe
heheadassembly.Inspectionandcondi-
ypartsof theaccessoriesaregiven
V.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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ofENGINEPARTS
CEMENTOFENGINEPARTS
e inspectionandrepairofthe
sheregiventakeintoconsideration
placementthatcanbemade.It should
,thatallofthese repairsorreplace-
mostpart, someofthereplacements
xtremeconditionsaregiveninorder
g askillfuljob.
tioncanbemadeonlyiftheparts
dout.If nocleaningtankisavail-
eroseneis recommended.
he enginepropertobeserviced
erhaulofthe engineaccessories
arthsteel,case hardened,andruns
chare pressedintothecrankcase.The
clearanceisfrom.002"to.0035".The
dened,willneverhavetobereplaced
ance.Thebushingswillneedreplacement
ve.Theinstructionsforthereplace-
kcaseinstructionsinparagraph10.The
canbecheckedbetweenthehubofthe
s showninFigure127,shouldbebe-
earanceisgreaterthan.015",the
ced.
he
unch.
ed
o
he
r-
g
d
k-
d,
42,
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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removeany sediment,sludge,orre-
swithair.
hannel.
ROUNDANDTAPER
vewithaninsidemicrometeratthe
el,asshowninFigure143.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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DSLEEVES
allel tothecrankshaft,and
nglestothe crankshaft,asshown
cebetweenthesetworeadingsshows
eeveisout ofround.Toobtainthe
eevetaper,measureinlikemannerthe
ytakingtworeadings,oneposition
ndtheother atrightanglesto the
topparallelreadingwiththebottom
pright anglereadingwiththebottom
nthe taper.Iftheoutof round
n.005",thecylindersleevesshouldbe
shouldbereplaced.
DERSLEEVES
thedry typeandcanbe
ype
g-
ean
e
de
se-
r-
ths
er
ting
C",
a
found
ve
eengineserial numberwhich
plate.
NGCAMSHAFTBUSHINGS
ronzebushingswhichare pressed
siredcamshaftbearingclearanceshould
35".(SeeFigure125.)If theclearance
thebushings.The bushingsareof
equire reamingafterbeingpressed
BUSHING
efullycutthroughthebushing,
thecrankcase.Withacoldchiseland
gandknockitout.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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e
ace,
e
g
t
s
the
n
n
care-
d
aftBushing.
mainbearingsurfaces,onebetween
teachendof thecrankshaft.Thecrank-
callyanddynamically.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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GS
AFTWEAR
mberofmicrometerreadingsnec-
doutofroundof allthebearing
asoutlinedinthe followinginstruc-
hesereadingsberecordedinsome
gure 147.
rdingMicrometerReadings.
aringsurface,orjournal,with
eter.SeeFigure147.Beforerecording,
ejournalto findthelowestreading
mallestdiameterofthe bearingsur-
atone end.Usingthatsmallendas
readingsin line,oneatthesmall
dleof thebearingsurface,andthe
cordthesereadings.Thesethree
untoftaper inthisline ofthisjour-
quarterofthewayaroundthis bear-
eereadingsinline, thefirstat
middle,thethirdatthe otherend.
werehorizontal,thesecondthree
orviceversa.The secondthreeread-
er inthatplane,or thevertical
foutof round,comparethefirst
efirstverticalreading,the second
esecondverticalreading,thethird
ethirdverticalreading.Repeatthis
bearingsurfaces,bothmain andcon-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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025"to.004"whichis takenoffthe
nalsizeofthe shaftis2.996"to
shaftismorethan.0015"or measures
kshaftshouldberegroundto astan-
,.030,or.040ofan inch,depending
gsare2-1/8"andthebearing
whichisalso takenofftheshaft.
eofthecrankpinis 2.121"to2.123".
nismorethan.0015"or measuresless
e-groundto oneoftheundersizes
gefornicksandsmooththemif
oltsshouldbetightinthe flange.
r burrsthatmightcutthe oilre-
e oilslingeris bent,straighten
mageit.
s
nkshaftWear.
FTGEAR
rforwear.Ifwornexcessively,
amesize asmarkedontheoldgear.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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EARINGS
NDCONNECTINGRODBEARINGS
ledrilledfor pressurelubri-
e sideclearanceoftheconnecting
bearingandthecrankshaftshouldbe
8",maximum.012".SeeFigure132.
LACINGCONNECTINGRODBEARINGS
k,precisionbearingswhichrequire
eplaceable.Ifnecessary,thesebear-
ng
g-
is
er-
e-
dard
-
s
ce)
ad-
the
ed
at
ce
ft
LACINGTHECONNECTINGROD
econnectingrod,usuallythe
d,as eventhenewbushingwouldfit
nAligner,HeadDown.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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MENTOFCONNECTINGROD
grodassemblyclampeduntothe
ure,swingtherod intoahorizontal
or).See Figure150.Withthe
erod (Pistonheadpointingtothe
etweenthefaceofthe fixtureandthe
ninFigure150;ifthis spaceis
wistedoutofline.NOTE:Thering
onaresmaller thantheskirt;there-
oftherodalongthe fulllengthofthe
h alargewrenchuntilspacebetween
iseven.SeeFigure151.Nowcheck
toAlignment.
directionbymovingthepistoninto
othe rod(pistonheadpointingup).
hespacebetweenthealignerfaceand
InAligner,HeadUp.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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uneven,twisttherodwithalarge
ntisobtained.Checkfora bentrod
parallelpositionwiththeconnecting
servethe spacebetweenthealigner
nAligner,PistonParallel.
thespaceisnoteventhe rodis
ghtenbycarefullybendingtherod
RodinAligner.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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derheadandallits parts,re-
s.Checktheheadforcracks.Check
rtubesandclean.Thesetubespartially
besareshowninFigure184.
ACINGAIRCELL
dinplacebystuds andnuts.
ange hasbeenremovedbytaking
eaircellplug canberemovedfirstby
ameterwitha washer,andpriedout
e innercellcanthenbe removedby
e156.
jectormaybefaulty,andthere-
carefullycheckedasgivenin para-
heaircellforburned spots,paying
eadingedgeof theaircellwhich
ctorwhentheair cellisin place
outany carbondepositswithapiece
emerypaperoranymetalin removing
notchangethecontouroftheair cell
ternally,replacethe aircell.
ES
withacompressorandremovethe
Figure157. Releasethecompressor
springand valvespringseatandvalve
Thevalvecannowbe removed.
ecktheedgesaroundthegroove
ts tobecertainthatno burrshave
gorremovingtheclip.The burr,or
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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dewhenthevalveis slippedout;there-
ha handstonebeforeremovingthevalve
m.
ANDVALVEGUIDES
takevalveseatsforcracksor
eatscanbereplacedif theyarein
ntakevalveseatscanbe refinished
grinder.Checkthevalveguidesfor
nd notingtheamountofsideplay.If
etheguideandalsoreplacethe valve.
AUSTVALVEINSERTS
-
rt
e
y
rt*
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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uldexercisecaresoasnottomar
d.
esaroundthehole andbesure,
o installthenewinsert,chillit
placewitha drivingtoolasshown
essarytorefinishthevalve seat
inder canbeusedonthe intakevalve
ableorclimaticconditions
proceduresarenot feasible,the
d:
nderheadstandinthesun until
nheat it.Coolthevalveseatin-
hen drivetheinsertintothe block
veinsert oniceorlet itre-
horoughlychilled.Removethechill
llingthe waterjacketswithboiling
ytochangethewater threeorfour
headsufficiently.Withthewater
oretainasmuchheatas possible,
n placeasshowninFigure160.
VES
erplace.Makecertainthatthe
xhaustports andthattheintakevalves
tallthesafetyclipin thegroove
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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nin Figure158.Assemblethevalve
t.Compressthespring asshownin
etainer halves.NOTE:Keepeach
ngobackin itsoriginalplace.
TRIBUTORTUBE
tortubefromthecylinderhead
eanyrustandfree anyholesinthe
Ifthe tubecomesloosefromthepipe
acethetube. SeeFigure187.
ANDROCKERARMASSEMBLYANDPUSHRODS
esandrockerarmassemblyincludes
seats,retainers,lifters,rocker
crews,andthebrackets.Theinlet
s1-3/8";theexhaust,1-3/16".
VESFORGRINDINGANDREPLACEMENT
burned,theymustbereplaced.
ouldberefacedinarefacingmachine
ESPRINGSFORREPLACING
feachspringwith aspringscale
Thetensionsshouldall beequal.If
ked,orbroken,replacethespring.
ompressedtothe lengthof2"
nposition,the scaleshouldread
esired;whenthespringis compressed
hereadingshouldbe84- 89Ibs.,
SANDBRACKETSFORREPLACEMENT
typeandismadeofgrey ironwith
eadforcracksandreplaceif cracked.
bracketbyinsertingalifterin
reloose ormorethan.0015,
ters.
INERSANDSEATS
identshouldit becomenecessary
seatsand retainers.
fterevery1,000hoursof oper-
atersolublevalvegrinding compound.
esitscuttingpropertieson contact
ol liketheoneshownin Figure
mmended.
47
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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RING
CEDURE
pressthespringsand removethe
nFigure157.Clean thecarbonoff
orts. Donotcleantheoil varnish
epitted, theyshouldberefaced
smallquantityofvalvegrinding
ustsufficienttocovertheseating
a lightbutfirmpressureletting
t thevalvefromtheseatevery
egrindingtool crank.ASsoonastne
,washthevalveandseatin kerosene
valve.If thevalvefaceorseathas
em,thisindicatesthateitherthe
wasgroundout,ortoomuchpressurewas
ot liftedofftheseatsoftenenough
on.Therefore,thegrindingmustbe
theappearanceofgreyemery
ntofPrussianBlue onthevalveface.
afaint traceofblueappears.Insert
veontheseatonecompleterevolution
e valveseathasaslight ringcom-
swill indicatethatthevalveis
s notcomplete,thevalveand
etecontactandmustbeground until
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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G
mpoundwhenthejobisfinished,
tall loosepiecesofcarbonaroundthe
tweenthepistonheadandcylinderwalls
ll-donejobsofvalvegrindingare ruined
particlesof carbon.
HEELHOUSING
earfordamagedteeth.If teeth
hanewringgear. Examinethebolt
worn,replacetheflywheelandfly-
llhousingfor cracks;ifcracked,
ngboreshouldbecheckedforout
mentwhenreassemblingengine.With
the flywheelasshowninFigure
netocheckthebore.The maximum
fmorereplacethehousing.
R
ar,laytheflywheelflatonthe
theflywheelup.Witha 3/16"drill,
oughthegearparallelwiththe teeth
hecenteroftheflywheelto therim.
remainingmetalbetweentheholesto
two.Drive offtheringgearwith
thenewring gearinoilfor fifteen
thatorch toexpandthegear.With
r,front sideorcrankshaftsideup,
placewiththebevelend oftheteeth
sseatedproperlyagainsttheshoul-
49
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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sthecamshaftandthefuelpump
interposedbetweenthethree.See
andaccessorydriveshaftturnin the
kshaft.Thegearsareon fixedcenters,
ebyselectingoversizeorundersizegears.
studwhichispressed intothe
uredbyalockscrewwhichscrewsinto
ase.SeeFigure123.Thetiming
andsteel,aselectedcombination
wear andquietrunning.
ANDREPLACEMENT
camshaftgearsshouldbefitted
thefuelpumpdrivegear canhave.005"
ndparagraph4,step16. Whenordering
usethesizemarkingof theoldgear
theothers.
numberwithineitheran0or a
rroundingsymboldenotesoversize
tively,andthe numbergivesthedevia-
housandthsofaninch.TheletterS
TE:Thenewgear,orgears,for re-
ndinsizetothegear orgearsreplaced.
madeforwearonthe othergears.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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kshaftGear.
crankshaftgear,pullit off
wninFigure164.Toinstall anew
ep9 andFigure177.
RGEARBUSHINGS
hebushingneedstobereplaced.
placed,itmustbeboredin alathe
.Handreamingwill notbestraight,
runout.Theclearancebetweenthe
shouldbe.002"to.0035"ofan inch,
mmendedanewidlergearbe installed
r.
P
NGJOURNAL
inBearing.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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dcopperlead ofsteelbackedpre-
acedindividually.Noscrapingand
mentcaneasilybemadeinthe field
ld shellasshowninFigure 165.This
ntotheoilhole inthecrankshaft
cticallythesamediameterasthe
htheheadfiled downtolessthan
kshaftbyhandandpush theoldshell
sshowninFigure166,start the
beingcarefulnottomarthe bearing.
sertthesamebolt thatwasused
e,allowtheheadtoprojectoverthe
mraisingupas youslowlyturnthe
almostinplace,stopandbackup the
oltfromover.the shellandinsert
erbutwithahigher head,andslowly
nbyturningthecrank.
W
TOILHOLE
NGJOURNAL
BearingShell.
thatifonemain bearing'needsre-
eplaced.TheuppersheLlsare not
beingdowelledinthe capstohold
e required.
S
he bearingsurfacesandcheck
thaninsidemicrometer.Itis necessary
nthecaseandthe capsclampedon,
asurements.Ifthereare"pin"holesand
the crankshaftwearislessthan
bearingsofstandardsize.-Newmain
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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000".If themainbearingwearis
rankshaftwearisnegligible,replace
standardsize.
ainbearingcapoilstops.If the
available,thegroovescanbepacked
ouldbefirmlycalkedintoplaceby
ol orpunchandhammer,poundingthe
roovesuntiltheyarepackedfull.
n oildraintubeattachedtoit
eoillevelin theoilpanin orderto
sthrough therearmainbearing.
witha tubeinplace.Replacetherear
placetherearbearingoilseal
mthe gr,oovewithaknife,butdo
etal.Coatonesideofthefelt with
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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o thegroovewiththeshellacside
68.The shellacmustnotbeallowed
ecrankshaftsideof thefelt.Oil
graphitegreasetokeepthemfron
eis firststarted.
ers13087through13096,13170
through13216areprovidedwith bronze
ecrankshaftendplay.The thrust
,upperand lower,andareinter-
whichholdthethrustflangesinplace
randreplacedifnecessary.
malloyand havefourringsabove
n. Thetopthreeringsare compression
reventilatedoilrings.If the
ced,thiswillnecessitatereplacing
nsand connectingrodshavebeen
onringsremoved,thoroughlycleanthe
thegroovesandring landsforcracks,
inglandsforbums.Replaceifthey
ochecktheheadofthe pistonandthe
orcracksandreplaceifnecessary.
rance(atskirtbottom,90° to
new.
RANDREPLACINGTHEPIN
lfloatingtypeandaremadeto
ortheconnectingrodbushings.The
eansoftwosnaprings whichlockin
ofthepistonpinbosses whichprevent
in contactwiththecylinderwalls.
oovesarenot wornsothatthelocks
pistongrooves.Thepinshave the
edto preventtheircuttingthrough
pistonisa.001"to .003"tightfit.
ingrodbushingis.0014to.0009If
,replacethepinwiththenextfirst
piston andconnectingrodbushings.
connectingrodandream ittofit a
dedthatthere isnowearbetween
earbetweenpistonandpin,a
tbeused andthepistonandconnecting
It willbenecessarytorealignthe
graph18.
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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es,
s
s
he
y
ACING
r
d.
100hoursofoperation,apiston
removedfromtheengine,alwaysreplace
is isadvisablebecauseitwillbe
nrings backintothesamepositions
e,iftheyare notreplaced,there
nspumpingoil.It isalsorecom-
wringsontothepistonsuntil they
ntotheengine.Checkthedepthof
thegrooveclearanceasshownin Figure
ontrolringto grooveclearanceis
g, whichisthetopring, togroove
heckthegapsof alltheringswith
Figure171.Thecompressionringgap
d theoilringgap,.010"to .015".
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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EMBLY
SSEMBLY
psofreassemblyoftheengine,
nmindthat dirtistheengine's worst
rtsshouldbewipedclean,andnote
Donotuse wasteforwiping;use
e canbeusedtoblowoff anyfine
epartsafterwiping.Onlyclean
oilingtheparts astheyarere-
aceallgaskets,oilseals, felts
newones.
recommendedsequenceofre-
kcaseissetonits studsandsupported
heoilline plugs.Insertone
eryoilline (seeFigure141),three
kcase,oneatthebottomside,and
ecrankcase.SeeFigure139.
t andrearendsmustbe screwed
ankcasesoasnot tointerferewith
elhousingandthe timinggearhousing.
s inthefrontendand "Perma-
ear housingandgasket,andtighten
ocounter-sunkcapscrews.SeeFigure172.
sare new,eachmustgobackin
fromwhichit wastaken.Theirposi-
notbereversed.Inserttheupper
sin thesupport.SeeFigure173.
therearbearingoil seal
nsertenoughgasketstolocatethe
fwaybetweenthecrankshaftoil
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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EMBLY
ltheads,so theclearancebetweenthe
goilsealis .004".SeeFigure174.
ew oilsealfeltis inplace.
spositionhowever,cannotbe
aftislaidin place.Ifthissettingis
kshaftandadd orremoveoneormore
essary:Thesamenumberandthicknesses
boththelowerandupperhalvesof the
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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EMBLY
haftinplaceso asnottomar
lywheelboltsshouldbein placebe-
aft.Notetheextraholein thecrank-
thepurposeofgettingatthe fil-
pperhalfoftherear bearingoilseal
sealwithouthavingtotake outthe
5.
ofthe oilretainersealontothe
re175.Besure toputthecoppergas-
rhead screw.Beforeinstallingthe
e lowerhalfoftheoil sealassembled
positionofthe upperhalfoftheoil
kshaftasinstructedinStep4. Ifnot
ed.NOTE:Newoilstopsshould be
oil stopssealthesidesof thecap
entoilfromleakingthrough.
p,be carefulnottoteartheoil
pin place.Afterthecapisdownin
oilstopsflush.
re numberedfrom1to7,starting
ngon frontend.Withthebearing
shouldbe installedintheirrespec-
glecastlobeisfacingthe camshaft
WrenchonMainBearing.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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EMBLY
re 137.Tightenthemainbearing
renchtoatensionof 125to135foot
heboltthreadsshould bedryand
tbyhandtobe sureitis free.Before
eckthecrankshaftendplay.Slipa
endsofthe rearmainbearingandthe
ure131,andrun thefeelergaugeclear
erclearanceis.003to .009.Ifmore
ar mainbearingorthrustflanges.
removedfor replacement,press
ecamshaft.Makecertaintoalignthe
onthewireretainingring.Oil the
tallthecamshaftintothecrankcase.
endplay,measurethespacebetweenthe
rustcollarwiththeshaft pulledfor-
27.This measurementshouldbe.003"
,this canbecorrectedbyreplacing
arorthecamshaft.Usuallyreplacing
omeexcessiveendplay.Installthe
ightenthecapscrewsandbendthecap-
the capscrewhead.
tructionsaregiveninthe event
adtobe removedandreplacedbyanew
allingthecrankshaftgearis to
ely15minutesinorder toexpand
ble.Attheendofthis time,pickup
rsandslipit ontothecrankshaft.
atandthekey.This methodofheating
mexpansionwithnoinjuryto thegear.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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EMBLY
snot feasible,pressonthe
77.Forthisprocedure,along7/8"
sameoutside diameterasthegearhub,
dagainsttheendof thepipe,anda
studareneeded.
withwhitelead.Placethegear
withthekeywayandthe keyinalign-
heshaft. Placethepipeoverthe
ceand tightenthenuttopress on
be certainthatitstaysin position.
aft.SeeFigure178.Besure
leinthe shaftwiththesetscrew
NOTMISTAKETHEOILPASSAGEHOLEFOR
eFigure123.Insertandtighten the
pergasketonthesetscrewandinstall
nut.Install theidlergearonthe
umbersoutsothatthe oilslinger
dsthecrankcase.
etwo marksontheidlergear
one withthemarkonthecrankshaft
theidlergearwiththe markonthe
Figure163.
placedandthe markswerenot
rs,thetiming ofthevalvescannot
e installed.Theprocedurefortiming
29.Installthei dlergearretaining
thescrew.Thisscrewhas aleft
thatthewasheris startedonthedowel
eidlergearend play,whichshould
N
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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EMBLY
feelergaugebetweentheidlergear
eras showninFigure121.If theend
herreplacethe retainingwasheror
esuretousenew coppergaskets
e surethattheyareproperlyin place.
veandtightenthe fouroilpump
5.(Nowlaytheengineonits rightside.)
onnectingrodassemblyin avise
amagingtheconnectingrod,sothat
instthe topsideofthe jaws.With
h,cleanout eachringgroove.If
eringlandsandthe ringhasnotbeen
nstructionsinparagraph42,thechecks
tallingtherings. Installtherings
thegapsofthe rings90° apart(a
wnin Figure179.Thethreetoprings
efourthandthe fifthringsatthe
.
dconnectingrodsintotheir
rrowonthetopofthe pistonshould
fthecrankcase.Placearingcom-
howninFigure180.Makecertainthat
irgroovesbeforetighteningthecom-
e,pausingto pushthecompressor
heringsare free.Compressasmuch
woodenguide,showninFigure134,
pperconnectingrodbolt toguidethe
ringthebearing surfacesofthecrank-
.
61
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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EMBLY
nectingrodassemblyshouldbe
er,makingcertainthatNo. 1piston
edesignatingnumberontheside of
cingtherightside oftheengine
andsoon foreachrespectivepiston
hepiston intothecylinder.Ifit
ertherings arenotcompressedenough
chingon thecrankshaft.
apandmakesure thatthenumber
dlinesup withthenumberoftherod.
geableorreversible.Tighteneachcap
rench.Thetorquetensionin foot
n75and85. Checkthesideplayofthe
geachcaplightlyasshownin Figure
e from.003to.008,maximum.012",
hafeelergauge.NOTE:Ifthere isno
nnectingrodmust beremovedand
aponthecrankshaftjournalto
eways.Ifnot,the capandrodmust
ononeside.Usuallya fewstrokes
eclearance.Ifthereis sideplay,
ee whentappingthecapandrod,there
gorthebearing isnottheproper
earingclearanceshouldbebetween
m.0055".
es,between75and85footpounds
ertpinsof largeenoughdiameterto
e.Thecotterpinshouldextendabout
hlength forbending.Iflonger,cut
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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EMBLY
nnectingRodforSidePlay.
andbracketassembliesin
dtightenthecapscrews.CAUTION:The
ldingtheassembliesinplaceopen
ore,andif, foranyreason,anyof
ced,ONESOFIDENTICALLENGTHMUSTBE
etheywillbendinthe cylindersleeves.
bercoverwiththe gasketinplace
covernuts.
gcapdraintubeandalsothe
screeninplace.SeeFigure130.
oil panandrecheckalltheconnect-
inbearinglockwiresbeforeinstalling
an.
singbyslipping itintoplace
he twodowelboltnutsandfour cap-
ure129.
theengineuprightsothat it
ngandblocksof woodplacedonthe
ankcase.
reliefvalvemakingsurethat
ring areclean.SeeFigure140.
ountingbracketonthe gear
63
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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EMBLY
-
er
e
n
eeves
ht-
uts
nds
76.
der
ets
d.
ing
s-
e
nd
n
eld
and
old
em
nto
e
d
noservicingorreplacement,
alledas aunitafterthepush rods
asnecessarytoreplaceorservice
push rodsasbefore,andsetthe
ce,juststartingthe bolts,making
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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EMBLY
racketsgointheir properplaces.
ein theirrespectivepositionsand
turning itasit isbeingpushed.
HOLES
kerArmShaft.
eentheoilholes intherocker
edwiththe threadedholeinthefirst
rmshaftisin position,screwin
tud.A goodmethodforinstalling
ockedagainsteachother andwith
Figure 185,tightenthestudin place.
cketstudandinstall thespringclips.
Stud.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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EMBLY
RMSHAFT)
BOW
kerArmShaftOilLine.
haft oilline.SeeFigure186.
butorinthecylinderheadwas
fservicingthecylinderhead,install
187.
wheel,makecertainthatall
dfromthecrankshaftflangeandthe
ntheflywheel.Feelthesurfacesfor
derHeadWater
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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EMBLY
Housing.
e188.To facilitateputtingonthe
enginewith thefuelpump,moveNo.1
d-center.Nextlineupthetimingmark
rontop-dead-center)ontheflywheel
eflywheelhousing.SeeFigure188.
heflywheelgoeson inoneposition
ers
e
d
ev-
-
89.
tor
bore
ee Figure189.Checking
out.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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EMBLY
vebeenreplacedand thepunch
ming werenottransferred,thefol-
gthevalvesisnecessary.
valverockerarmofNo.1cyl-
romthetiminggear,see Figure185)
eof.010"andtheidlergearis notin
hingwith theothergears.NOTE:The
eis.009".The readjustmentmustbe
he
.
ter
e
ure
nk-
-
s
ft-
y
?Figure190.Flywheel
shTimingHolein GearHub.
aftgears.Installthecamshaftthrust
ustscrew.
ming,slowlyturnthe crankshaft
hedirectionofits rotation.Toward
ndrevolution,rotatetheNo.1cylin-
slightdragisfelt,the timingmark
ywheelshouldbeinthe centerof
ywheelhousing.
efuelpump andgovernoras
ionpumpwiththeengineasfollows:
thedirectionorrotationso thatNo.1
gure185.Slowlycontinueturning
ingmarkNo.1 F.P.I,ontheflywheel
See Figure190.
uel injectionpumpsothat
e,shownin Figure191,isin thecenter
earhub.SeeFigure192.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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EMBLY
T|mjngCfarHo
erOilSeal.
hree
on
hehub
p
ten
din-
he
2.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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EMBLY
andrivepulley,line upthe
driveit inasshowninFigure 196.
eloil filter.
ilter andsolenoid,orsafety
dingbracketandinstallthe bracket
ure105.
l filter.
he nozzleholderandnozzle
ngthenozzleholderassembly,the
shouldbe thoroughlycleaned.Always
:Theassemblyshouldbecarefully
tipdoesnotstrikeagainstthe re-
ecuringnutsshouldbetightenedevenly
hestuds.
urelinesand leak-offorfuel
tthev aresecurelytightened,and
eFigures10G,107, 108,and109.
ket
kshaftPulley.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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EMBLY
onsbetweenthefilters,the
ctionpump.SeeFigure197.
nectionandDirectionofFlow.
kerarmoil linefromcrankcase
and fanassembly.
and hoseclamps.
r inthestartermotorhole in
ghtenthethreecapscrews.
ndinstall thefanbeltand
Thereshouldbeapproximately3/4"
N
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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EMBLY
asuredonthelongestside ofthe
makes.SeeFigure198.
elyassembled,andisready for
andthecontrol unit.
Y
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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DINSPECTIONOFTHE
anlinessusedin overhaulingtheengine
noverhaulingthecomponentsystemsof
ainservicingsthatthe maintenance
.Thisappliesparticularlytothefuel
ntricateequipmentforthefinecalibra-
ry,togetherwithahigh degreeofskill
e,noattemptshouldbemadeatmajor
onpump.Thewholeunit shouldbe
designatedbaseor thefactoryshould
umpshouldbecarriedbythe maintenance
ncludedare:fuel,electrical,cool-
:Althoughtheaircleanerispart
,instructionsforservicingthe air
efuelsystembecauseits functionis
ystem.
epares,controls,andtimesthe
ne.Thefuelpassesfirst,through
e fueltransferpumpwhichmaintains
othe secondaryfilter,thenthrough
-offvalvetothe fuelinjectionpump,
tedthrough theinjectionlines,and
ntothe combustionchambers.The
theexcessfueldeliveredbythe
hthecheckvalveinthe fuelinjection
efueltank.Figure197illustrates
he.flowoffuel,a singlespeed
egulatesthespeedoftheengine.The
teofoperationatan evenpacefor
set.See Figure199.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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f theconstant-stroke,cam-
rtype.Itspurposeistometerthefuel
preciselyata definitemomentin
pressuretothespraynozzlesby which
ectivecylindersoftheengine.See
p,havingaself-containeddrive,
numalloyhousing(16,Figure200)
CTION
View.
entinthelowerhalfandsixpumpelement
half.Thecamshaftcompartmentcon-
ichrunsin ballbearings(12)supported
).Feltcushions(50)in theclosing
basefacilitatelubricationofthecams
appet assemblies(42).Directly
eplungerandbarrel assemblies(3),
othedsegments(5),plungerreturn
39 and41)andthecontrolrod (37).
singcontainsthefuelsump,de-
3)withgaskets(24),deliveryvalve
veholders(17)andnipple nuts(68)
argetubings.
nat halfenginespeed.Thecams
aftinthe sameorderasthefiring
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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CEDATA
ervicebuiltintothefuelinjection
tuponthepreservationofits precision
areandmaintenance.
eto dismantleorrepairthefuel
ofthespecialtoolsandfinecalibra-
pthatis damagedorhasfailedshould
e,and theoldoneshouldbe returned
atedbythe OrdnanceDepartmentwhere
nt,anddatawillbe availablefora
oftheplungertype,andis mounted
npumpasshowninFigure 199.
veredby thetransferpumpis
nthe dischargelinewhichcontrols
theplunger.Theplungertappetis
ontactwithoneofthe camsonthe
byaspring.
fuelis suckedthroughaspring
erchamberandforcedoutthrough the
urnstroke.Thebackpressurein the
eplungerfromfollowingthecamduring
hof thestrokedependingonthe
ikelybecausedbydirtor a
heproperfunctioningofthevalvesor
veretainerwillpermitanexamination
andspring areaccessiblebyremoving
w.
efuel transferpumpbereplaced
psandthetransferpumpreturnedto
edbytheOrdnanceDepartment.
e transferpumpisequippedwith
gthe system.Iftroubledevelopsin
easaunit.
TIONOFFUELINJECTIONPUMP
on(seeFigure201)thefuel enters
tofthehousing.As soonastheupper
its downwardstroke,opensthe.two
rtsinthebarrel,knownasinlet and
esinto thebarrelwhiletheplunger
ke(see"A",Figure201).During the
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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IVERYSTROKEENDOFDELIVERY
ectionofBarrelwithVarious
ons.
okeoftheplunger,someofthe fuel
kintothesump,throughtheinlet and
woportsare completelyclosed.With
ng-loadeddeliveryvalveislifted
deliveredthroughthedischarge
e,whenceit isdischargedintothe
eengine(see"B",Figure201).
port
ber
mp by
and
ng
not
s
",
on
el
er
s
5b),
with
at
o
s
eFigure202.Sectional
Viewof FuelInjection
pumpElement.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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DELIVERY
iousPlungerPositions.
ecorrespondingteethonthe control
the latter,eithermanuallyorauto-
vernor,theplungeris rotatedinits
movedawayfromits"stop"posi-
eristherebyturnedin itsbarrel,
the by-passportandthesmallerthe
be (seeFigure203).Thefarther
wayfromits "stop"positionandthe
d initsbarrel,the laterthehelix
the largerthefueldeliveryperstroke
y,theplunger,bymovingthecontrol
stop"position,is turnedfarthest
erylateopeningofthe by-passport
aximumeffectiveplungerlift.For
trolrodat the"stop"position,the
reluntilits verticalgrooveregis-
n thisposition,thepressurecham-
antcommunicationwiththesump
calstrokeoftheplunger;therefore,no
ter.
geruncoverstheby-passportin
partoftheupwardstroke,the
mmediatelyreleasedandthedelivery
oits seatbythecombinedactionof
ferenceinpressurewhichthenexists
edischargetubing.This closesoff
hepressurechamberinthe barrelandthe
rystroketakesplace.In returning
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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lveperformsadoublefunction:
drainingoffuelfrom thedischarge
swellas duringthesuctionstrokeof
evesthepressurein thedischarge
is accomplishedbymeansofthe
displacementpiston.
ctuallyreseatsafterthehelix
edtheby-passport inthebarrel,it
edischargetubingby increasingthe
tyequalto thevolumeoftherelief
downintothedeliveryvalveseat
Asaresult ofthisrapidreduction
veat theotherendofthe discharge
hus instantaneouslyterminatingthe
ynozzleand therebyeliminating
fueldeliveryper strokeis
fthecontrolrod,oneendof whichis
roftheengine.Thereis acertain
ntofthecontrolrodin its"stop"position,
edabout3/16"fromitsfullstop posi-
commences.Fromthatpointon,how-
eliveredis directlyproportional
ntrolrod.
dpoweroutputare controlled
amountoffuelinjectedintothe
clearlyexplainedintheprecedingchap-
mountoffueldeliveredbytheinjec-
sregulatedbythesimpleand foolproof
plungers.
NJECTIONPUMP
tionpumphousing(camshaftcom-
befilledwitha goodgradeofengine
evelof whichcanbedeterminedby
(Figure199).Thisoilgaugerod is
dicatingthe highestpermissiblelevel
velisrepresentedby theendofthe
oil showsuponitswithdrawalfrom
elis toolowandmustbe broughtup
nreached.Theoilisfilled intothe
injectionpumpoilfiller andbreather
helubricatingoilinthe pump
ineoilischanged.Tofacilitatethis,
ousingisprovided.
equire anylubrication,since
dinthe fueloil.
estopseeparagraph66.
7
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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ozzleandfiozzleHolder).
OLDERS
rorthe nozzleandnozzleholder
uantityoffuelreceivedfromthein-
necombustionchamberinadefinite
mannerastoproducethemosteffi-
e.Thespraynozzlesareoftheclosed
pring-loadedvalvewitha seatat
closetheorificeaftereachinjec-
ginecombustionchamber.Thevalve
ythepressureofthe fueloilbeing
ump.SeeFigure204.
e
e
e
ed
s
tof
by
ulic
dy
anged
-
n
o-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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h
-
ped
e
n-
es
onat
r-
oil
ryspringandmeansofpressureadjust-
ionofthe nozzlevalve.SeeFigure
evalvehasanextensionofre-
oasthestem,whichmakescontactwith
g-loadedspindle.Adjustmentofnozzle
ccomplishedbymeansofthespring
TIONOFNOZZLEANDNOZZLEHOLDER
elfromthe injectionpumpenters
t connectionandpassesthroughthe
essurechamberjustabovethenozzle
essureof fuelactingonthediffer-
eedsthepre-determinedspringload,
seatand thefuelwillflowfrom
mthe pumpceases.Then,apositive
eloccursasthevalveis snappedto
ewhicheliminatesthepossibilityof
geoffuelbetweenthe lapped
evalveandits bodyisnecessaryfor
ilaccumulatesaroundthespindle
tmentfromwhichitdrainsthroughthe
idedforthatpurpose.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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TROUBLE
oworstfactorscontributingto
stingofminuteabrasiveparticles,
thefitof thestem,anderodesorclogs
esstickingofthe needleinitsguide.
rrosionwhichresults inenlarged
gneedlevalves.Itis important,
uelgetsintothe nozzle-fuelthat
.Thefiltersshouldbedrained of
tecleanlinessshouldbeobservedwhen
zlestogetherwiththe highpressure
dreassembled.
LEFROMTHEENGINE
es,applykeroseneorfueloil
orderthat dirtandgreasemaybe
etubingand leak-offlines,as
08 andcovertheiropenendswithcloth
ainstthe entranceofdirt.
sandpull theassemblyfromthe
ostrikethe endofthenozzleagainst
emblyis stuck,dueprobablytocar-
movedwithtwopry bars,asshownin
RAULIC
ure
ent
0
are
o
ster,
UNDS
or
age,
nd
WHEN
TOBSTRUCT
ESTHE
INTHE
WAY
S.Use
uld
ureFigure207.Operating
ster.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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E
eis generallyrequiredforthe
ericanBoschnozzle,itisrecommended
ot lessthan100strokesper minute
s lower,thethrottlingactionof
emtodribble andejectflags,making
onimproperly.Howeverifthethrott-
ordribbletowithin300 poundsofthe
e,thevalveseatcanbeconsidered
ajetappears,thevalveis not
hcleaningusuallycorrectsthetrouble.
vetobe replaced.
ZLETESTER
heendof thecouplingandoperate
flows.
lderassembly,asshownin Fig-
ya fewquickstrokestolever
ratesextraordinarilyhard,itindi-
tethespray patternandlookfor
ragraph56.Ifplugged orifthereis
beremoved,cleanedandlappedaccord-
nin paragraph60.Thevalveopening
7BudaDieselengineis 2,000pounds.
0pounds,thenozzlemustbe adjusted
aragraph:
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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PENINGPRESSURE
zleprotectioncapexposingthe
essurecanbeincreasedordecreased
ring compressionscrewasshownin
ustmentsandtestuntil thecorrect
ed.
EATTOTHENOZZLE
he pintlevalvebodywithclean
shing withasoftwoodstick.Cloth
onthepintleandshould notbeused.
estem endonly.Usingfueloilfor
eatby rotatingthevalvebackand
patienceareoftenrequiredinre-
fromthe pintlevalve.NOTE:No
beusedinlapping thepintleinthe
weenthepintlevalveandthe bodyis
LEANINGOFTHENOZZLEANDNOZZLEHOLDER
arbonfromtheassemblywitha
assemblyin avisetoremovethe
ovethespray nozzle.
awn
-
y
ore
esN
on-
ces.
low
ft
dby
uck
kedin oilwillbehelpfulin removing
OOLS,EMERYCLOTH,CROCUSCLOTH,
RABRASIVESOFANYKINDSHOULDNOTBEUSED
ES.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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t
ebodycanbecleanedbyforming
oakedin oil,thepointofwhichwill
the nozzlevalveseat.Theorifice
edwithawoodsplinter.
ozzlebody maybecleanedwitha
bonsolvent.Do notattempttoscrape
roundtheorificeasserious damagemay
evalveand thenozzlebodyin
mbly.
NGANDREASSEMBLYOFNOZZLEHOLDER
sket.
ngtensionadjustingscrew.
atsofthespringretaining nut,
SeeFigure209.
in
e
le
t
f
d
le.
ace
ving
se.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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NOZZLETOHOLDER
ppedendof thenozzleholder
ngsurfaceofthenozzleto assurea
rfaces.
thenozzlecapnut beforere-
henozzlebe perfectlycen-
orthispurpose,an assemblingsleeve
ozzle.Thesleevefitsoverthenozzle
swithinthe capnut.Aftertightening
oved.»
testerandreset.
ENGINE
zzlerecessinthe cylinderhead
zleholderassembly.Particularatten-
seatingsurfacesinorderthat no
illcausetheassemblyto becockedor
bustiongases.Nohardor sharptools
eaningoperation.Aroundpieceofwood
veryeffective.
torgaskets.Itis essential
keson thesurfaceswhichthegasket
carefullyinsertedsothat the
againsttherecesswall.
nutsshouldbetightenedevenly
ocockingofthe unit.
relinesand leak-offlines.Make
tightened.
TION
irectlyontothefuel pumpand
pshaft.See Figure199.Thegovernor
tothefuel meteringrackbymeans
corporatingasmokestop.
sticsareobtainedbymeansofa
ghtforcewithahelicalextension
ssetby themeansofspringadjust-
yofregulationisadjustablebyvary-
ofthespringfrom therockershaft.
hespeedandfor generatorsynchroni-
ph65, andinparagraph06instructions
opare given.
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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ubricatedbyfillingthe governor
thebottomof thebodywithagood
ure 199.Theinternalpartsare
hegovernorgearsand fromtherotating
ORSPEED
W.Setthegovernorto 1800R.P.M.
ustingscrewshownin Figure321.Re-
ircuitbreakerto"Offposition.The
nthetachometershouldbe1845.If not,
ndturnthe surgeadjustingscrew1-1/2
speedisover1845,andout (left)
11. Againapplyloadandsetthe
ownin Figure321.Againdisconnect
erfor1845R.P.M.NOTE:Itmaybenec-
oingprocedureseveraltimesto obtain
ssaryforparalleloperation.Install
View,ShowingSmokeStop
OP
W.at1800R.P.M.Loosenlock-
owninFigure211so therackisforced
tiltheenginejustbegins toslow
andreplacelid.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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UOF
rend
ed
ernor
dfrom
orlid
efour
g,as
PLING,
NECTION
Y
derShaftAssembly.
ftandbalanceassembly,asshown
removedthegovernordrive gear.
dplate bearingispressedinand
Y
Y
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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urgebolt, shownInFigure214.
expansion,plugat theendof
vernorhousing,asshowninFigure215.
NECTION
veryokeandshaftassemblywith
wninFigure216.I fnecessarytoreplace
blyas thesepartsarecarefully
gularityatthefactory.Removethe
aftbearingfromthehousingshownin
ershaftconnectionandnut,thebear-
e floatingouterraceshowninFig-
EMBLY
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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Y
er bearingwithanarborpress
eweightpin toremovethespider
ure220.
sassemblethebalanceofspider
eneeded,it isadvisabletoreplace
elocknutandsmoketubeandpush
nk.
emovetheendplateunless the
obereplaced.Ifnecessarytoremove
fivemountingscrews,showninFigure
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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D
ernorEndPlateto FuelPump.
LACEMENTOFGOVERNORPARTS
welchplugs.
anysign ofpits,wear,orrough-
heforegoingconditionsexistson
hedrive gear.
sforexcessivewear;if worn,re-
n pairs.
opLinkandStopTube.
91
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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duewear.If worn,replacethe
assembly.
ftassemblyforloosenessofthe
replacetherockershaftassembly.
GOVERNOR
ed,shellacandinstallanewgas-
singandgovernorhousingendplate,and
n Figure221.Withapunch,stake
untingscrews.
showninFigure222.
e presenttime-
ve
d
-
he
y
ack
nd
ss
ce
ew
nt
e.
.
s
the
GRACE
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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edsettingandsmokestoptobe
.Seeparagraphs65and66.
htwofuel filters,aprimaryfuel
ilter.See Figure197.Because
gasoline,theycontainmoregum,fine
eventthesefromenteringtheengine
maryandsecondarystageoffiltration
ldthesefiltersbe servicedasrec-
econnectionsshouldbethoroughlyin-
ulandreplacedifthereis anyevidence
ngdowninternallyeitherfromage
reakdownwouldreleasefineparticles
ARYFUELFILTER
nt,thoroughlycleanthehousing,
ment.
tom
he
o
.
out
nd
NDARYFUELFILTER
ris sealed.Duringtheover-
with asimilarsealedfueloil filter.
unscrewtheplug atthebottomto
water.Replacetheplugandunscrewthe
ethefueltransferpumpto bleedtheair
placeevery512hoursofoperation.
40,theair cleanerispartofthe
everitsfunctioniscloselyrelatedto
fore,theinstructionsforservicing
ongwiththefuelsystemcomponents.
leanerto preventabrasivedust,
engine wear,fromenteringtheengine.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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TEM
aneris oftheoilbath type.The
terelementbeforeitentersthe com-
gine.
tefficiently,theaircleaner
.Theconnectionsbetweentheair
ldmustbekeptair tightatalltimes.
vibration,theclampshouldbechecked
operation.Theoilcupshouldbe
efilledwithoilto theoillevelbead
8 hoursofoperation.
ptionallybad,itmaybe wiseto
freshoileveryfourhours.The
cuptotheintakemanifoldadaptor
methecupis removedrorcleaning.
terevery64 hoursofoperation,
assemblyshouldbesoakedingasoline
essedair.Ifdirt conditionsare
vicingshouldbedoneeveryeight
ompressionignitionengineneed-
ombustiblegases,theelectrical
marilytosupplyenergyforcranking
uch electricalcontrolsasthesafety
dsafetyshut-offvalve.Thecranking
artingmotorwhichreceivesitselec-
agebatteries.Thesebatteriesare
generatorincombinationwiththevol-
maticallydecreasesorincreasestherate
tteriesdependinguponthe stateof
m,Figure226.
m(Engine).
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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ERATOR
maticallycontrolledbythelubri-
he heatofthewaterin thecooling
rops belowsevenpounds,orifthe
ds205° F.,theelectricallyoperated
ticallyshutofftheenginebyshutting
oughthesolenoidvalve,thusstopping
uel injectionpump.
ergy
h
era-
es-
cuit
ator.
to-
nd
the
OilHole
ure 227.Generator
f(AutoLite).
atorisnotrunning,thecontactsare
isstarted,thecontactsare automat-
egeneratortothebattery.Whenthe
eneratorlosesspeed,thevoltagefalls;
torvoltagedropsbelowthebatteryter-
tsautomaticallyopen,thuspreventing
ngbackthroughthegenerator.
cesthegeneratoroutputwhenthe
huspreventinghighvoltageandover-
hebatteryisin alowchargedstate,
yincreasesthegeneratoroutputtoits
batteryreachesahighstateof charge,the
ecreasestherateofcharge.
RATOR
vicingswhichthemaintenance
vethegenerator.Theyarethe 128
56hourtune-upandthe 512hourover-
NSPECTION
andinspectthecommutator.Ifthe
olored,itcanbe cleanedbyholding
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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ERATOR
paperagainstitwhileturningthe arma-
outof thegeneratoraftercleaning
re
or
m-
ara-
shes
mu-
hes
t
r
of j
ved"
ven
m thegeneratortotheregula-
to thebattery,andfromthebattery
rayedinsulation,brokenwires,and
ections.Repairorreplacethedefec-
ximumoutput(approximately1800
mutatoraction.Ifthereisexcessive
esandcommutator,removethegenerator
accordingtoparagraph78.Inspect
iringasindicatedin"C.",paragraph
tetheammeteraction.Slowly
.Theammetershouldshowagradually
hebatteryis fullycharged,thecharg-
entheoutputapproachesitsmaximum.
arged,thegeneratorwillcontinue
mrate.Iftheregulatordoesnotoperate
egivenatune-upinspectionasgiven
ngsofthegeneratorshouldbe
mediumengineoilinthehinged top
head.Fillthecommutatorendoil
neoilinthe combinationoilerinthe
er.
romtheengineandtakeoff the
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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ERATOR
randifit isdirtyordiscolored,
eof00or 000sandpaperagainstthe
thearmaturebyhand.Blowthesandout
ningthecommutator.Ifthecommutator
eratorshouldbedisassembledandcom-
dingtoparagraph82.
d
d
nin
tthe
g
e
that
sh
kthe
atthe
the
the
the
ouldbe
edas
.
ator.
per
bra-
r
nd-
urof
ecer-Figure230.Disconnecting
BrushLeads.
.Donotgrindexcessivelyandbecare-
ofthebrushes.SeeFigure231.
ension.Hooka springscale
neartheendor intheholein thelip
dpullona lineparalleltothe faceof
gjust asthearmleavesthe brush.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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ERATOR
ionshould be53ounces,maximum.The
houldbe 50to60ounces.If the
rushesandthecommutatorwillwear
GENERATORBENCHTEST
eneratortothebenchtest,re-
orbytakingoutthe regulatormounting
theregulatorleadsasshowninFigure
-
sh
eter
al
olts
ch
m-
ble
e
era-
eandconnecta voltmeterfromthearma-
rframe.Adjustthevoltageat13.0.
lowly,andtheammetershouldshow 3.89
entis notwithintheselimits,it
onnections,wornbearings,orpoor
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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LTAGEREGULATOR
tbe doneonthetestbench,the
ontheengine.)
thegroundandconnectan
matureleadandthebattery.Connecta
ureleadtoa groundonthegenerator
atorandincreasethespeedslowly,
gingrateobtained.Thischargingrate
figuresgivenasfollows:
eres,maximumoutput.
peres,maximumoutput.
tput,advanceorretardthe third
etothe baseofthebrushholder.
STINGVOLTAGEREGULATOR
dberemovedfromthegeneratorand
thefollowinginspectionand adjust-
yleadstopreventshort circuiting.
overandinspectthe regulator
fburningor abnormalhightempera-
s,insulation,externalterminals,or
onnectionsresulting frompoorsol-
hebottomofthemagnetcores;(4)
TE:All nutsandscrewsmusthavelock-
eredcarbonresistor.Repairor re-
ntionedabovethatmaybefaulty.
theyaredirtyorburned,they
ceofcrocuscloth.See Figure233.Do
e.|
s
ble,
t
ce
ng
ove
NG
c-
f
en
the
be-
99
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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ERATOR
kwasherfromthearmatureshaft.
eadband.
ethird brushandtheinsulated
gure230.Liftthebrushesoffthe com-
ure229.
crewsatthecommutatorend.Slide
offthegenerator.
ve endhead,andthepulley
gure235.
th
or
ATURE
nces
-
make
ck
with
st-
toa
h
surface)andtouchtheotherprobeto
nt,asshowninFigure238.Donottouch
ommutatorasan arcwouldmarthe
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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ERATOR
recoilor commutatorsegmentis
ht.If thegroundisaccessible,it
wisereplaceagroundedarmature.
shortson agrowlerasillustrated
e
by
ach
d
e
unt
g
t
th
ut
rom burrs.Themaximumeccentricity
exceed.003".
MEANDTHEFIELD
the fieldcoilsandleadsand
specttheleadsandterminal posts
ationorpoorlysolderedterminals.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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ERATOR
e
n
nd
gine
-
Do
mbled
DHEAD
full
e
noil
ead.
LYOF
an
gure
g
tly
the Figure24-3.Pressing
reArmatureIntoDriveEnd
ce.Head.
torendheadontheframeand field,
s inplace.
eframescrews.Besurethat the
eld connectioninsulation.SeeFig-
their holdersandconnectthe
tthe brushesareassembledsothat
mmutator.Ifthebrushes neededre-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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ERATOR
beensandedaccordingtotheinstruc-
8,step E.
the commutatorendhead.See
onafter assembly.
oilto thedriveendoilerand
pockettothe combinationoilerand
eratoraccordingtoparagraph79.
uldbesubjectedtothe testsgivenin
RESISTANCETESTS
ivenforthe voltageregulator
ingregulatortestsshould beincluded
haulperiod.
erand-checkitsresistanceonan
ween2.75and2.85ohms,replacethe
omthe"A"terminaltothe regula-
atorifthis resistanceisnotbetween
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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R
ESTS
0"to .030".
he contactsclosedandisadjusted
stationarycontact"A"inFigure234.
.
045"to 4.001".
he regulatorcontactsclosed.It
or loweringtheuppercontact"C"in
orcontractingthebridge"D"holding
POINTGAP
5"to .045".
aturestopin Figure234.
005"minimum.
camEinFigure234.
nedto cranktheenginewhenthe
ircuitbetweenthestoragebattery
246.It consistsoffivemainsub-
eframeandfield,thearmature,the
epinionhousing,andtheBendixdrive.
whichthemaintenancepersonnel
or.Theseservicingsarethe 128hours
6hoursofoperationtune-up,andthe
rhaul.
MOTOREVERY128HOURSOFOPERATION
andinspectthecommutator.Ifthe
olored,itcanbe cleanedbyholding
paperagainstitwhileturningthe arma-
outof themotoraftercleaningthe
utatorisroughorworn,themotorshould
neforan overhaul.
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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R
ebrushesshouldslide freelyin
contactonthe commutator.Makesure
tlyin linewiththecommutatorseg-
edrepair orifthebrushes areworn
originallength,themotorshouldbe
sgivenin paragraph100.
hebattery tothegroundand
artingswitch,andfromtheswitchto
rodedconnectionsandforfrayedin-
ofengineoilto theoilerin
.
and startingswitchtoseethat
ndthatthe leadsareproperlyconnected
eoperationofthe unitsandremove
onifthe operationisnotsatisfac-
MOTOREVERY256HOURSOFOPERATION
otorfromtheengineand takeoff
r,brushes,andwiring,andadd
neoiltothe oilerinthecommutator
heholdersasshownin Fig-
re248.Removing
pinionhousing screw.
dingthepinionhousingto theframe
rmatureofftheframe.SeeFigure248.
he pinionhousingwithanarborpress
osenthe Bendixshaftspringscrewas
de theBendixofftheshaft.SeeFig-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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R
atureshaftinkeroseneand lubricate
ectthe Bendixforwornpartsor
eanyfaultyparts.
thearmatureshaftmakingsure
ace.Tightentheshaft springscrews
nthe armatureshaft.
andsoak thebearingsinmedium
ousingonthe motorandfastentothe
e248.
offShaft.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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R
LOADTEST
bonpilerheostat,andbatteryin
naland theframe.(Startingmotor
eenginefor thistest.)Connectavolt-
inaltothe motorframe.SeeFigure252.
LoadandTorqueTest.
voltsand readtheammeterwhichshould
mperes.Holda tachometeragainstthe
haft andreadthespeedwhileoperating
ouldbe atleast4000R.P.M.
espeedlow,inspectthe bear-
andmakesurethe armatureturnsfreely
ecurrentislow,inspectthe brushes
ommutatorandinspecttheinternal
orhighresistance.
CKTORQUETEST
asgiveninthe foregoingparagraph
leandtorquearm,measurethestalled
urelytothe startermotorshaft.
pedrigidto aworkbench.Hookthe
armexactly12"fromthecenterofthe
entflowingthroughthemotor adjust
readtheammeterandspringscale.
amperesmaximumandthe torqueshouldbe
If thecurrentishighor thetorque
forhigh resistanceconnections,in-
t,andincorrectbrushseating.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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R
6HOURCHECK
don thecontrolpanelandthemag-
arecontainedinthe controlbox.
epressed,oneofthesolenoidswitches
onnectsthestartingmotortothebattery
ance.Thisresistancereducesthelarge
oughthemotor.Whenthe motorbegins
elayoperatesand excitesthesecond
sswitchclosestheresistanceis
tteryvoltageisappliedtothe start-
GSWITCH
tchfromthecontrolpanel.
udsand removethecovernuts.
pecttheleads,insulation,and
reaks,orimproperandlooseconnec-
for looseorcorrodedconnections
coverandassembletheterminal
hepaneland connecttheleads.
SWITCH
thecontrolpanel,connecta
o3/8"-16terminalsof thecontrolbox.
ormal mannerandreadthevoltmeter.
rgerthan.05voltsper 100amperes,
uringnormalstarting,thestarting
elyoverhauled.Seeparagraphs110and
ATIONOVERHAUL
hemotorandtakeout theflange
betaken tothebenchforan overhaul.
ARTINGMOTOR
heholder.SeeFigure217.
orandheadholdingscrews.Take
e Figure253.
ingandthearmatureoff the
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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R
with
n
e
e
MATURE
dcommutatorforevidencesof
nandsolderingtomakesure thatall
order.Makesure thecoilsarepro-
tatorandcoreslots.If theshaftor
atureshouldbereplaced.Ifitis nec-
ommutatorinalathe,takeonlyalight
ntedonthe bearingseatsandnotonthe
burrsfromthecommutatorandundercut
ndsquaretoa depthof1/32".
ounds.
ft
tor
other
h
or
sh.
e
n
el
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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R
eel
r
RVICING
g,
akeFigure256.Testing
r-for ShortsonGrowler.
edandarefreefromcorrosion.To re-
unsoldertheleadfrom thebrushcon-
d intheconnector.Insertthenew
nthe lipandclinchtightlybe-
lderingjobmustbe donetoprevent
uetoa poorcontact.Seatanew
257accordingtotheinstructionsin
terminalposts forgrounds
amp.Makesure thebrushesare
onnections,andtouchoneprobeto
otherprobetotheframeas illus-
oundispresent,the lampwill
heterminalpost andtheotherprobe
shes,asillustratedinFigure259.
ampwillnotlight.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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R
rame
ss-
me.
ce
escrewsandremovethepole
igure260.Inspectthe fieldcoils
eckforopenswiththe testlampand
ssarytoreplaceanyfieldcoil,
areclinchedtightlyandsolderedpro-
lsinthe frame,usingpolepiece
pedinboiled linseedoil.Afterthe
heframea fewshortblowswitharaw
lepiecesproperty.
ostandwasherand againcheck
ndopenswiththe lampandtestprobes,
RVICINGTHECOMMUTATORENDHEAD
olderplatefrom thehead.See
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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R
t wickfromtheheadandtakeout
.Clean bothplatesthoroughlyand
cracked,replacetheplates.Inspect
tion.Checkthebearing.If itis
eit.Usetheproperarbortoinstall
osecuretheproperbearingfit.Re-
aged,andreplacethebrushholder
orspringsarecorroded,distorted,
ts inmediumengineoiland
Makecertainthatthedrain holein
mofthe head.
bes,checkthebrushholdersfor
hholderplate,ifa groundispresent.
RVICINGPINIONHOUSING
ectit forcracks.Checkthebear-
ifwornexcessively.Usethecorrect
ingtosecuretheright bearingfit.
mengineoil.
RVICINGBENDIXDRIVE
eBendixdrive.Inspecteachpart
placeanyfaultypartand lubricate
engineoil.NOTE:Usenew lockwashers
sembled.
RVICINGTHEINTERMEDIATEBEARING
aringendplateandinspectfor
theplateorbearingif necessary,
stall thebearing.Soakthebearing
ARTINGMOTOR
elthrust washersonthedriveend
ssemblethe intermediatebearingon
toiltothe armatureshaftand
eontheshaft.See Figure251.Make
sarein theirproperplaceandtighten
Bendtheearsof thelockwashersto
osening.
nthepinion housingandturnthe
thedowelpin fitsintotheslot.
tedownagainsttheshoulderin the
andpinionhousingon theframeand
ding screws.Tightenthescrews
sonallscrews.SeeFigure248.
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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twasherfor controllingend
dofthe shaft,andthenassemblethe
torendheadonthe motorandfasten-
.Assemblethe brushesintheir
avebeenreplaced,theyshouldbe
structionsin paragraph78,step"E",
RHAULEDSTARTINGMOTOR
the brushesonthecommutator.
ectlyinlinewith thecommutatorseg-
ndreplacethebrush holderplate.
asurethespringtension.Hook
springattheend andpullona line
brush.Takethereadingjustas the
thereadingisnotbetween40 and50
andtwistthespring holderwithpliers.
brushesfromtheholdersbeforeremoving
ge,
een
ner
ture
s.
x
1.
f-
ear-
t
ove
and
one
k,
diumengineoil totheoiler
d.
orto theno-loadandlocktorque
raphs95and96.
TONSTARTINGSWITCH
vedfromthe panel,
r groundsandopens.Touchthe
testprobeandtoucheachterminalin
s showninFigure262.Ifthe lamp
groundandshouldbereplaced.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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ITCH
e
k
thold
s.
RVICING
G
aks andimproperlysoldered
replaceorrepairany thatarefound
torforcracksand checkitsre-
eplacetheresistorifit iscracked
thin13.5to 16.5ohms.
nceunitand replaceitifit
leantheunitthoroughly.
dwashers.Replaceanythat
nspecttheterminalsat thestuds
rrosionandreplaceanythat cannot
actoryservice.
nectionsforlooseterminals,
dedconnectors,andfordefectiveleads,
fanyof theseconditionsarefound.
OIDSTARTINGSWITCH
tanceinserieswith#10 -32
itch,theswitchbase,andthe 12volt
eterontheswitchterminaltothe base.
y,notingthevoltmeterreadingwhen
tedbya click.Reducethevoltage
gvoltage.
snot closeat7.0to9.0 volts
o2.0volts.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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ITCH
y,carbonpile,and a200ampere
two 3/8-16terminalsof thesolenoid.
ssthetwo3/8- 16terminalofthesole-
dbasetoonebatteryterminaland
nalto theotherbatteryterminal.
mperesand readthevoltmeter.Ifthe
ngof.05volts,replacethesolenoid
estsonthe secondsolenoid
randinspectthecontacts.Ifthe
ngthwiseandparalleltothe armature
.Cleanthe contactswithastrip
bontetrachlorideandremoveanyresi-
eoftape.Inspecttheinsulationand
ofbreakageorcracks,andreplacethe
gapwitha .034"-.038"flat
endingthe bracketholdingtheupper
y,variableresistance,volt-
psas illustratedinFigure266.In-
ecircuit.Lamp$1shouldbelit.
cenotingthevoltagejustas lamp#1
uldbebetween3.0and 4.0voltsand
lowerarmaturespringhanger.In-
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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LSWITCH
nincreasesthevoltageatwhichthe
thevoltageslowlyandnotethevoltage
Thisvoltageshouldbebetween0.4to
yvaryingtheheightofthe mainsta-
keepthecontactsalignedwhen
eadjustedas indicatedinthe
acetherelay.
he baseoftherelaywithone
turn withtheotherprobe.If the
oundedrelay whichshouldbere-
minalsmarked"a"and"b"inFigure
redown.If thelampfailstolight,
andthe relayshouldbereplaced.
dclinchtheearsto holditin
controlbox,reversethedisassembly
graph111,andremountthe controlon
TROL
consistsofthesafetycontrol
ve.Thesafetycontrolswitchthrough
obpermitsclosingthecontactssothat
Assoon astheenginestartsand
esafetycontrolmechanismautomati-
obto"run"position,arrowpointing
on,shouldtheoilpressuredropbelow
temperatureinthe coolingsystemgo
lswitchcontactswillopen,causing
ff theflowoffuelto theengine.
rledKnob.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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LSWITCH
AFETYCONTROLSWITCH
anbemadeis theoilpressure
rarely havetobeperformed.The
eensetatthe factoryandisnotad-
itchesforreplacementarealsoset
noreadjustmentuponinstallation
heoil pressureatwhichthecontacts
ine,turnthe manualcontrolknobwith
".SeeFigure267.Removetheknurled
ver,thus exposingtheinnerworkings
h.SeeFigure268.Connectpressure
andapplypressureagainstthe
loperatingoil pressureoftheengine
haftautomaticallyturns.Bleed
slowlyuntilthe gaugepressuredrops
contactsareto openstoppingthe
ooccur).Hold pressureconstantat
sionon themainspringbyturning
ght(clockwise)justtothepoint
ngine,theoperatormustturn the
n",placingthecontactsintheclosed
comesuptospeed,the arrowmust
erticalposition.IMPORTANT:Unless
tonormalontheinitial startofthe
eleasetotheverticalpositionto pro-
tdownincaseofoil pressurefailure.
ismfunctionsonlytoopenthecontacts
emperaturerisetothe determinedsafety
ownbecauseofoverheatedcooling
ustdropapproximately40° beforecon-
edforrestartingtheengine.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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LSWITCH
fromSealingTube.
tandtwistthe coilslowlyto
be.SeeFigure271.
heleft(counter-clockwise)
d outofthevalvebody.SeeFig-
evalvewill dropwiththesealing
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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vevibration.Ifthe bladesareonly
traightened.
rifugaltypepumpwhichhasaself-
edsnoexternaloiling.Thispumpis
quiresno adjustment.
MP
of
ss.
eimpellerandbodywith the
eimpellerand sealassembly.See
y
ft,Impellerand
e
-
the
ade:
PUMP
s.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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agram.
ternalpassagewhichcarriesoilto
Fromthemainbearings,theoil is
grodbearingsbymeansof adrilled
sreceiveoilthroughtherifle drilled
dersarelubricatedbytheoilthrown
earings.Fromthemainbearings,side
haftbearings.
totheidler gearhubthrough
.Oilfromthehubof thisgearis
edhole inthehuband ispickedup
egearwhereit passesthroughsmall
rimbetweentheteeth,spraying
ofthe enginewithS.A.E.30oil,
onditions,willbeapproximately25to
gs
n.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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reenarrangedtorise and
crankcasesothatonly thebest
s.SeeFigure280.
NG,ANDREPLACINGPARTSOFTHEOILFLOAT
loatinunleadedgasoline.Blow
edair.Ifthefouling isbad,straighten
ovetheshield,andcleanthescreen
eshisbrokenor loosefromthefloat
etheentirefloatassembly.Ifthe
eassemblymustbe replacedsincethe
ndreplaced.Whenputtingbackthe
ypositionedandthe earsturned
htheearswith pliers,notahammer.
veljointis freetomovesothat
surfaceoftheoil.
ravel limitinglugs.Makesure
e.Thelugsshould beatrightangles
etube.
ks,
ulicreliefinthecasting.Theoil
trappedbetweentheteethisallowedto
icrelieftothe pressuresideofthe
blepartsin thistypeofrelief.The
earhavebushingswhichweremachined
e teethwerecut.Thegearsandbush-
a unit.Thereisanexpansionplug
.Thisplug isusedasan oilsealat
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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cessandshouldnot beremoved.The
agesgothroughthetwolocating
PLACINGOILPUMPPARTS
removethesixcapscrewsandoil
ethandthebushingsin thegearfor
thebushingandthegear mustbe
heclearancebetweentheteethandthe
rethan .008",replacewithnewgears
ebacklashasshowninFigure282.If more
ars.Alsoifthe endsofthegearsare not
case,replacethegears andbushings.
hthebushingsrun. Ifthestuds
swithnewones. Examinethecasefor
essary.
mpGear.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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MP
idlergearin thehousing.Slip
SeeFigure 283.Setthecoverin
shaftintheidler gearandthenthe
vegear.SeeFigure284.Makesure
inalignmentwiththecoverandbody
tallingandtighteningthesixcapscrews.
rsturn freely.Toavoidhavingto
nstalledonthe engine,fillthe
ation.Wheninstallingpumpbe sure
ts
-
ug
se,
sfour
-
n-
d
o
n-
e
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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LVE
HE
MINUTE
N.As
sup,
ef
p
epin
e
ve
F
ainan operatingpressureofapproxi-
eed andtemperature.Noadjustment
ishedis oftheproperweightand
tmentcanbemadebystretchingor
owever,anewspringshouldbeobtained
oses itstension.SeeFigure287.
eliefValve.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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XCITER
ONANDSERVICINGOF
XCITER
onsincludethedetailedstepsnec-
generatorandexciter,itshouldnot
tetear-downisnecessary.Onlyonrare
arytoteardown thegeneratoras
onsheregivenimply.If,during
nsforinspectionandcleaningare
randexciterlubricatedattheinter-
oroverhaulwillnotbenecessary.See
onareextremelyhot anddirty,
gandsuchotherservicingsasmay be
morefrequently.
RALTERNATORLUBRICATION
terareshippedfrom thefactory
dgradeof greaseinthebearingsto
mately4,096hoursofoperationat
res.Seeparagraph141.Attheend of
hegreaseshouldbe replaced.
EASEFORALTERNATORANDEXCITER
ionofthegeneratorbearings
hemanufacturerrecommendsahigh
No.1 consistency.TheArmyspecifi-
sttothisrecommendedgreaseareNo.W-2
dball bearingsandNo.WB-3forthe
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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EARINGHOUSINGGREASECAPACITIES
-4 ounces
8"longand 1/8"indiameterwill
ounce.Thiscanbeusedasa guidewhen
dwhenagreasecupof knowncapacity
MPERATURES
dgreasesareonthebasisofactual
er194° F.(90° C.).Ifoperatingand
chthatthebearingtemperaturesex-
reaseshouldbechangedmorefrequently.
nded:
eevery3,072hours.
ASEFROMMAINGENERATORANDADDINGNEWGREASE
orbearingand housinggrease,
0-over2ounces)in thehousingand
minutestoallowtheoil tothinout
ainpluganddrain asmuchaspossible.
e
SIIP
ec-
un
o
t
he
a-
n
-
wly.
t
ng
.If
f
he
hrowgreaseinsidethe generator.
thusthrownfindits waytothecollec-
willseriouslyaffecttheoperation
vencausecompletefailure.
reasegunsshouldbeavoidedif
snoaccuratemethodofdetermin-
eing introducedintothebearinghousing.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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XCITER
ps,it issuggestedthatascrewtype
nozzlebeused.Beforeusing,however,
elledperturn ofthegreasegunscrew
greasecupof knowncapacityis
wedintothefiller pipeandused
ASEFROMEXCITERBEARINGHOUSING
ofthefull sealedtype,requires
tmentinremovingtheoldgreasethan
generator,oralternator.
ghasnodrain.Therefore,the
ovedandthegreasewashedfromthe
ithcleanunleadedgasolineorkerosene.
h outtheballbearing.Afterthe
letelyfillthebracketcavitywith
iterEndBracket,showingLabyrinthGroove.
ERNATORRINGS,EXCITERCOMMUTATOR,AND
ectedforwear,properspring
heholders.If thebrushesarestuck
ubstances,theyshouldberemoved
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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XCITER
d
tor.
utator
es
be
om-
d-
nt
the
tator.
sily
ermay
inst
ator,
e
3.
ator
st
ol-
e
orsandpapershouldbemovedbackand
alleltothe shaft,withtheengine
e speed.NOTE:Besurethatthe
ecommutatorduringthis operationto
wearandparticlesoftheabrasivebecom-
eof thebrush.
movedfromtheundercuttinggrooves
ardwoodshapedtothe widthofthe
aper.Alsosuitableforthisoperation
defromwhichthesethasbeenground
awblade,however,exercisecareto
mutator.Afterthecommutatorhasbeen
orandbrushfacesshouldbecarefully
twhichmightcutor scratchthecommu-
THSHOULDNEVERBEUSEDONA COMMUTATOR
INGS(CollectorRings)
htherings,all thebrushesshould
sarybrushwearand topreventthe
mingimbeddedinthesurfacesofthe
sbe keptcleanandwellpolished
non-lintingmaterial.SeeFigure292.
escriptionshouldbeusedonthe
ringsbecomeroughor pitted,
edby polishingwithapieceofsand-
ntpiecehasbeencut havingthesane
toneisnotavailable,thensand-
sing againstthesurfaceoftheslip
shapedlikethesandstonementioned
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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ings.
3.
e
t
-
er
sh
y
eany
t
s.
PRING
dto
t
d
less
sh
s
aced.
a
es.
nsionindefinitelyunlessthebrush
rmitsthebrush holderspringtocarry
nd thespringpressurefallsbelow
uldbe replaced.
re,hookasmall springscale
ximately1to2 poundsunderthebrush
hereitbearsonthe brush.Pullthe
edirectionof thebrushtravelin
nthe fingerisjustlifted offthe
bemade.
ATINGBRUSHES
eexciteroralternatorareworn
nallength,theyshouldbereplaced.
ewbrushes,thebrushshouldbe
pRings
ofWood.
3*
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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XCITER
rnatorandExciter
nder normalbrushspringtension.
ndpaper,withthesandedside against
ofrotationfollowingthecontour
rorthealternatorslip ring.See
ryclothontheslip rings,the
es.
donewith#0or#00sandpaper.
minutesand inspectthebrushcontact
g.Ifnotperfectlyseated,repeat
th#0or#00 sandpaper.
mportantthatthebrushesofboth
bereplacedwiththe sametypeand
hemanufacturer.
NDEXCITER
beobservedindisassemblingthe
torhasbeenremovedfromthe engine
nsgiveninparagraph2:
torcouplingandremovetheventi-
couplingdiscs,hub,andflangeto
tionsinorderto reassemblethemin
eFigure288.
wsfromtheflangeandremovethe
ON:Leaveatleastonebolt andnut
plingdisctopreventthe discsfrom
8.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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XCITER
Y
rnatorandExciter
ngefromthealternatorshaftas
onthe flangehub.Ifhubdoesnot
orapidly heatflangewhileengaging
N:Donotletflametouchthe shaftand
ws:(RefertoFigure294.)
eadsfromthecollector
breakingopentherheostatleadwhich
torframeintothe terminalbox.Remove
idethealternatorend bracket.
hboltnuts attheexciter
aringcapscrewsattheex-
nowberemovedbytapping
adwiththe aidofablunt tooland
d brushholderassembly
reafterraisingthe exciterbrushes
xciterleadsthatpassthroughthe
connectiontothecollectorrings
oughtheopeningto preventdamaging
unduestrainson theconnections.
nnowberemovedbysimply
lleltothealternatorshaft.
endbracketafterfirstlift-
esand removingthefourendbracket
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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ernatorball bearingcapscrews.Tap
e beadbyusingablunt tooland
etoffevenlytoavoidpinchingatthe
ghousing.
nowbe removedfromthe
outfarenoughtoattacha widesling.
aybeconsideredassubjectto damage.
etakentoavoiddamagingthecollector
dcoils,etc.Thebesttypeof sling
bandwhichshouldbeslippedunderthe
erotor.Thisshould bepositioned
otoriscarriedon atleasttwoofthe
isusedaroundthe shaft,aspreader
depressureagainsttherotorbalance
castironandwill breakeasily.
ngeneratorandexciter,reversethe
tthe couplinghubinoilto
feasible,useatorchon thehub,
eat,coattheshaftwith whiteleadto
hehubonto theshaft.Installthe
hemup withthemarksonthehub.
ngcertainto lineuptheflangewith
discs.Thesemarksweremadebefore
useapieceof softcoresolder
approximately400°-Heatthehub up
derbeginstomelt.
SEMBLIES
R
soldasadisassembledunit,
isassemblyofthis member,except
enthis becomesnecessary.Winding
efoundunder"WindingandConnection
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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u s e # p d - g o o g l e
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BLY
wofMainGeneratorRotor.
RASSEMBLY
ng:
bly
y
s
er
emberisas follows:Removethe
thetongueoftheball bearing
vein theballbearinglocknut.The
ighthandthreadcanthenbe backed
orBallBearing.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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ULLER
KS
EFLANGEHUB
ANDREPLACE
LLOCATION
orBalanceFlanges.
eremovedbyusinga pullersimilarto
00.Thepuller hooksshouldengagethe
gthebalanceflanges,besureto
eoriginallocation.Failuretodo
beingoutof balance.
IELDCOIL
connectthesquirrelcageslip
wedgepinby drivingouttoward
ressandpressoff thepole
oftherotor.Pressureshould be
ilof thepolepiece,usingapunch
piecedovetail.Donotattemptto
pressingagainstthepolepiecebody
edgingactionwhichpreventsthepole
eldcoilcannow beremovedfrom
ACKETANDCOLLECTORRINGBRUSHHOLDER
ecessaryonthealternatorendbrack-
orringbrushholderassemblyonthe
Thisassemblyismountedwithfour
ecollectorringbrushholderssee
rush
301.
43
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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CITER
t
d
k-
e
n
mage.
be
with
at
tly
to
r-
e.
m-
g-
e
gh
e
screw
ap.
CITERFRAMEANDCOIL
interpolesareeachheld in
wswhichpassthrough theexciter
holesinthe polepieces.Thesescrewsare
ngaportion oftheframemetalinto
crew.Beforeattemptingtoloosen
l thereforebenecessarytoremove
screwheadslot.
sregulatedbyshimsof varying
pieces,therefore,itisabsolutely
ofshims benotedbehindeachpole
tthesesameshims canbereplacedwhen
apforbothshuntand interpolesis
mainpoleand twointerpolecoils.
cedin theframesothattheyare in
heinterpolecoilsare placedatthe
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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XCITER
exciterframearenotdrilled
oilsintheframesothat thecoilleads
rmountingbosses.
eadsshouldbesecurelytiedto
trainwillbe exertedontheconnec-
CITERBRUSHHOLDER
ndyokeassemblyis composedof
iesmountedoncanvasbase,phenolic
etedtothecastironbrush holder
geable,
ed
and
.The
-
-
Ad-
on
pring
ew
t
ation,whilefacingtheadjustmentend
verslot isprovidedintheend of
mentpurposes.Springtensionshould
reewiththe springtensionlimitsof
thodofCheckingBrushSpringTension".
TERNATORBRUSHHOLDER
rassemblyiscomposedoffour
emblies.Twoassembliesaremountedon
securedby acuppoint,slotted-head,
npositionwith alockingnut.
tbronzeandare machinedand
onzebrush holderfinger.Thebrush
sarecastintegralwiththebrush holder
ngeronthesupportingshaft witha
brass wirethroughthesmallhole
nbylocatingthe freeendofthe
notchthatwill giveatensionof7
dofAdjustingBrushSpringTension".
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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HolderandYokeAssembly
hHolder
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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XCITER
unton astripofcanvasbase,
teelflatwasheron eithersideand
nuts.
LES
lsofthealternatorareun-
inthe alternatormaynotrenderthe
esultin shocktotheoperator.The
nis tolocatethegroundwiththeaid
est. Thegroundwillshowupin the
.Thisisespeciallytrueif the
thecoilheads.A groundinthe
p inthismanner,therefore,itmaybe
rnalstarconnectionandcheckeach
e.Ifthe groundislocatedinthe stator
cessarytostripandrewindthe
practicaltorepairawindingwhich
egnatedwithpolymerizingvarnish.
maybedeterminedbyconnecting
t lampsconnectedinseriestothe
the othersuccessivelytothestator
oroperatingatnormalvoltage.Light-
hepresenceofoneormoregrounds.
ancegroundsmaybedeterminedby
eviouslydescribed,exceptbytheuse
asurementandwiththemachinenotrun-
otorcircuitmay bedetermined
thatthere isnogroundin the
nitat normalvoltageandconnecting
ighttothe frameandtheother
thetwocollectorringbrushholder
ZO
G.
nectionforLocatingGroundedCoil.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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XCITER
ampindicatesaground.Tolocate
or, connecta120voltlampin series
ge,using oneterminalofthelamp
neastest loads.SeeFigure306.
orcoil,first openthecircuit
tbetweenoneofthe coilterminalsand
htingofthelampindicatesagrounded
theoutsidesurfaceofthe coils
ected,thenit isadvisabletoreplace
checkrotorbalancebeforereassem-
necessary.
OILS(Failuretoobtainfull ACvoltageon
l)
confusedwithexcitertroubles
r.(SeeExciterTroubles.)
orpartial,in onerotorfield
encedbyuniformoverheatingofthe
oloperationofthe shortercoil.
cuitcanbedeterminedbyimpressing
y120volts(ACor DC)acrossthecollec-
e voltagedropacrosseachcoilwitha
findividualreadingsshouldnotexceed
ortedcoilwillshowadrop lessthan
endingupontheextentof theshort.
excitercircuitisdisconnected
eforemakingthis test.
TORCOILS(Novoltageregistersonvolt-
dcoilwill resultinthefailure
pavoltagein spiteofproperexciter
Testforopencircuitusing thetest
306"bytesting betweenthetwocoil
.Failureofthe lamptolightindi-
uited.
rfield coilsisnotrecommended
sofemergencysincetheentirerotor
efore,anychangeinweightatagiven
beoutofbalance.Forthis reason
o checktherotorbalanceinadynamic
coilreplacementsarenecessary.
eostatturnedfull-out)will
mumvoltagesatfullalternatorfield
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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XCITER
old
prox.)
t6.0G(approx.)
rrings.Fornoloadreadingraise
nthe brushholderpocketssothatno
brushandring.If voltagevaluescon-
aboveareobserved,checkasfollows.
orts;this canbedonebycheck-
seachof thetwoshuntcoils.The
ngwillbe thefaultycoil.Abadly
olandthe goodcoilswilloverheat
orts;symptomsusuallyare,spark-
enedcommutatorandburntbars. Ifbadly
otpickup afield.Inthis event,re-
eckinagrowler.
encircuits;symptomsaresimilar
b")exceptflashingatbrushesi sapt
companiedbya ringoffirearoundthe
estheexciterwillfailto pickupa
polecoil;symptomsaresparking
htlylowerthan normal.Locatefaulty
gthevoltagedropacrosseachcoil
er.Theshortedcoilwill havethe
tting;theindexpointer should
konthe brushholderyoke.Symptoms
shesandslightly abnormalexciter
shesmaybestuckin theholders
kegoodcontactwiththecommutator.
ctlyseatedto thecontourofthe
ENERATE
eldoesnotregistera voltage).
uredattheexciter,checkas
shesoffthe commutatoranddis-
romtherightbrush holder.
dforopencircuit.Usetest
betweenthe righthandbrushholder
inalmarked(RHEO.-Fl)locatedinthe
openthe lampwilllight.
49
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_ u s e # p d - g o o g l e
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XCITER
ncircuit bytestingwithtest
etwo rheostatterminals.Failureof
statis opencircuited.NOTE:Dis-
eof rheostatbeforemakingabovetest.
befor openingsafterdisconnect-
erminals.Testwithtestlamp(Figure306)
sideterminalsof thetubeinsidethe
reofthelampto lightindicates
atorforopen circuits.See
heBudaCompanyandGeneralElectric
ushesshouldmakegoodcontact
kfreeinthe brushholderpockets.
GEXCITERBRUSHNEUTRAL
must besetonthe neutralpoint
toryperformance,commutation,and
atorlife.Ifit becomesnecessaryto
erarmaturethe brushneutralposition
etif necessary.Thefollowingisthe
s instanceduetothedesignand
andis knownastheInducedVoltage
drequiresthe fieldcircuittobe
urecircuitandseparatelyexcited,and
pin thearmatureobservedonalow
necteddirectlytothebrushes.Proceed
maturecircuits bydisconnecting
rush holdersandremovingtheconnec-
ircuit terminalsinsidethealter-
locatedattheextremetopand is
e Figure307.
sofConnection.Links.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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XCITER
falow readingvoltmeter(having
0volts)directlytothepigtail ofone
ofthecommutatorortothebrush
R
E
USH
ramforBrushNeutral.
ntfieldleadsF2 andRHEO-F1
rrentsourceofpowerhavinga poten-
olts.Thiscircuitshouldbe provided
breakingthecircuitquickly.SeeFigure
oneoftheleads connectedtothe
cket.ShuntleadRHEO-F1islocated
box.SeeConnectionDiagramFigures
d maintainthefieldfora
s thoroughlysaturated,andthen
ndobserve,accurately,thedeflection
eedle.
directionof rotationfora
mmutatorbarsandrepeatthe operation
hisprocedureuntilreadingshavebeen
he distancearoundthecommutator.
reached,thevoltmeterwilldeflect
fthezero, withequalintensities
flectionsto therightandleftof zero
henumberoftestpositionsinvolved
e-halfrevolution.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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XCITER
WINDINGDATA
.3
ars..57
toBar2
ng.
° C
ogetheratcoil heads(frontand
e1/2overlapping.Insulatecoilleads
ot insulationdetails.
N\
KNCslI
>B
C.KPAPER[
IRON/
TMENT
ofExciterArmatureSlot,
ation.
NT
darmatureanddipwhilehotinblack
merseduntilbubblingceases.Drain
ntilthoroughlydry.Repeatprocess
53
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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XCITER
INGDATA
mvar
4
3.5
of#24
..
24nexttopole.
NTOFEXCITERCOILS
cklyinblackbakingvarnish,
at225° -250° F.untilthoroughlydry.
plyone'coatof airdryingvarnish
nthe frame.
oilinsulationdetails.
F
AO
UICK-
ATMetMTOF
wThroughOneHalfof
ddipwhilehotin blackbaking
keat225° -250° F.untilthoroughly
.Give coilonecoatofairdrying
edinframe.SeeFigure312.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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XCITER
EftCOTI
K.PAPER
ATMENT
GE
wThroughOneHalfof
INDINGDATA
.
windnext topole
5Ohmspercoil
6
stoscovered
etailsof bobbininsulation.
NTOFFIELDWINDINGS
oundcoilanddipwhilehotin black
merseduntilbubblingceasesanddrain
° F.for8to 10hours.Repeattogive
ofRedProtectiveSealeraftercoil
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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XCITER
ORM
OF
N
ICKness
PAPC* AND
BONDED
NCXTTo
ATMENTOr
wThroughOneHalfof
Coil.
RWINDINGDATA
#12
E.
14...Same
.#8V.C.C.
2
sLinetolineon 220volt,60cy.=.0322ohms
e314.
maincoils 6-5-6-5-6-5,thenwind
hthe 5turnmaincoils.Auxiliary
relength with3/16"cottonsleeving.
fauxiliaryis13-1/2feetfor each
cross-overleadswith3/1G"
7"cottontape 1/2overlapping.
inerand topstick1/2"beyond
asecoilsforfull widthandlength
onconsistingofonepiece.015"ragstock
arnishedmuslinbondedtogether.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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T
ANCEOFCONTROLUNIT
IONOFCONTROLUNIT
containsthedevicesessential
gineandthegenerator.Itconsists
thecontrolpanelonthe front,easily
,afixedtopcoverandwith openbottom.
he bottombyshockproofingcushions
eengine.Allconnectionstoexternal
ughtheopenbottom.
IONOFPANELEQUIPMENT
sistsofavoltmeterandammeter,a
or,anautomaticaircircuitbreaker,
ment,asynchronizingswitch,anammeter
rfieldrheostat,theenginecontrols,
dgauges.
trolPanel.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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HRONIZINGSWITCH
TOR
K
op View.
FINTERIOREQUIPMENT
urrenttransformersfortheline
transformerforthevoltageregulator
oardsformainandsecondaryleadsand
igures317and318.The spare50A.
circuitbreakeris mountedonthe
diagramfor theunitislocatedon
over.Allunitsare deliveredwith
theair circuitbreakerfor00cycle
IONOFOPERATION
sdesignedto controlthe3
hichmaybeoperatedateither oftwo
.P.M.,127/220V.
.P.M.,230/400V.
oltageismadeby movingconnectionlinks
e generatorandontheterminalboard
ngingthepositionoftheslider on
ethevoltageregulatorcase.Engine
paratelytocorrespondwiththe desired
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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trolUnit.
e100A.trippingelementinstalled
or60cycleoperationmustbechanged
elementwhen50cycleoperationis
6.
REPLACEMENTS
nelshouldnotattempttomakeany
or switchesotherthanthoseindicated
s.Ifanyof theinstrumentsfailto
erand quickertoreplacethefaulty
snecessarybecauseofthefine
uiredandbecausetheInstruments
onsusuallyarenotavailableto the
TECTION
tbreakerisequippedwiththermal
rrenttrippingelement.Thethermal
electedforoperationinanambient
n-adjustableandprovidesovercurrent
or.Theinstantaneouselement,has
efrom350-1100amperesin thecase
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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ENTSWITCHES
SFORMERS
saresinglesecondarytransformers
secondary.Thecompensatingtrans-
th5A.mid-tapsecondarytopermit
sationatbothvoltagesofoperation.
d isconnectedtothefullwindingon
mid-tapfor50 cycleoperation.
withacurrenttransformer.The
withtheammetermusthavethesame
whichit wascalibrated,asindi-
n thescaleoftheinstrument.See
eventofafaultyinstrument,it
ewone andthefaultyonereturnedto
entandskill isavailabletomakere-
auseoffaultyinstrumentsarerare.
ainedandhasnoexternalresis-
rrentflowingthroughthe instruments
ed,theneedleshould indicatezero.
ouldbecorrectedbymeansof thezero
NTSWITCHES
ngcontactsoftheammeterswitch.
dwithodd'numbersontheleft andeven
sideof theswitch,backview,starting
panel.Ifforany reasonacontactis
gnumberisalsoomitted;forinstance,
ft-handcontactofstage1;ifforany
ted,thenumberingwillstart with2
dcontactofstage1. Withthissystem
numberalsoidentifiesthestage;for
eft-handcontactofstage5, unless,
specialnumberingof contactsdueto
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SWITCHROARD
omtherearsupport.Putthe tie
ortand placeitonthetable withthe
he shaftintherear supportinan
ndingtotheverticalswitchposition,
rrangementonthedrawing.Assemble
ts.PlacetheC camfortherear
exactpositionshowninthecam
amandtheA.camlast. Continuewith
e samemanneruntilallthestages
theindentwheelorspringstretcherand
justenoughtoreplacethepin which
the indentwheelorspringstretcher.
tandifit isasustainedcontact
springwhichengagethenotchesin
mbledbeforepushingthefront support
first makingsurethebarriersare
SWITCHBOARD
nectionsoftheloadhavebeenmade,
ein offpositionwhenstartingthe
b toonposition,thatis,
hesafetystop controlismounted
erneaththecontrolpanel.SeeFigure
ntrolmarked"Stop"ispositioned
on.
d continuesfiring,releasethe
newill automaticallycomeuptofull
60cycleoperation.Assoonas theoil
l pressuregauge,theknobonthe
wtheswitchboardcabinetwillautomat-
rdposition.Thispositionwillpermit
ineincaseofno oilpressureorhigh
ratureislow,it willbedesirable
m1000to1200R.P.M.untilthe water
or120°.Thismaybe donebyholding
buttonand watchingthetachometer
peedismaintained.
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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SET
peratedatno-loadfor approxi-
eengineandmakethe necessaryelec-
makeconnectionwithgeneratorrunning.
toryareconnectedfor60 cycle
LEADS
nnections,refertotheWiring
amisattachedtothe insideofthe
coverandisalsoshownin Figure320
eloadto terminalsmarked1,2,3,
ATORSET
cuitbreakeris inoffposition.
din paragraph190andpermitthe
mal.
atorknobforapproximately220
onthevoltmeter.
ostatso thatthepointer
rontofthepanel.See Figure316.
perateunderload.Withthe load
ertothe"On"position.
onnectedtotheexternalcircuit,
astheload isapplied.Theammeter
nedtoeachof itsthreepositionsto
ase.If singlephaseloadsarecon-
adjustedin orderthateachphase
ble.Thisswitchshouldbe leftin
highercurrent.
ldnotbecalleduponto deliver
ton onephaseeventhoughtheother
.
dedwithasafetyswitchlock
oardcabinet.Thisswitchprotectsthe
sureorhigh enginetemperature.
ttheswitchto functionproperly,the
ththe arrowpointingtotheleftfor
nginestartsandoilpressureregisters
uldautomaticallyturnin thedownward
eswitchto stoptheengineincase
ssureorhigh watertemperature.
N
esignedforparalleloperation
metypeandmodel.Whenparallel
entwogeneratorsets,itis necessary
.Forthispurpose,eachunithas a
N
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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sandasynchronizingswitch.Load
nits tobeparalleledmustbe connected
tiontothesamebus.Theseconnec-
o1,2to 2,etc.Thefirstgenerator
escribedinparagraphs190and192for
onnectedtoload.Thesecondgenerator
speedanditsvoltageadjusted.Thefirst
redas therunningmachineandthesecond
eforestartingthe engineofthein-
eris inoffposition.Ontheincoming
witchshouldbeturnedtothe onposi-
chronizinglampswillbefoundtoflash
dependentuponthedifferenceofthe
edwhenthefrequencyoftheseflashes
lampsareout,ordark.Whenthis
wounitsmaybe connectedbyclosing
omingunit,afterwhichthetwounits
dentthat theessentialneces-
ngisthetimeof theclosingofthe
oltagesareslightlyapart,smallcross
themachineswithnodetrimentto the
oltagevariation,ifany,in theload
sedisplacementexistsatthetime
e incomingmachinebyreasonofclos-
ase,more orlessseverejoltswill be
ha littleexperienceandcare,the
thebreakerclosingmovementwiththe
agesthatthebreakercanbeclosed
enapplied,turntheknobonthe
hunitshowsthesame currentonthe
erreadings,makesurethatthephaseon
onthe samephase,asindicatedby
rethattheengine stopbuttonis,pushed
onizinghasbeenmade.
sarytoadjustthegovernorfor
kecertainthatallunitstobe synchro-
dsandvoltageat noload.Inmakingthis
orsetstooperateuntilthe temperature
hesame.Althoughthetachometeron
perationatthe speedindicated,this
ughforsynchronizing.Inorderto
permittheunitstooperateatno load
theload busandthesynchronizing
eon position.Thiswillpermitthe
etherelativespeedsofeachunit.
tno load,thesynchronizinglights
djustthegovernor,ifnecessary,on
67
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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tingScrew
onditionisobtained.Toadjust
cknutontheadjustingscrewat the
ownin Figure321.Adjustthisscrew
zationisobtained.Seeparagraph65.
RALLELOPERATION
nnectoneunit(generatorset)
noperatingparallelwithotherunits,
s firstopenedbeforeattempting
tyinterlockisprovidedonthegov-
the governorleverwhenthestopbutton
hisprovisionismadein orderto
ris openwhentheengineisstopped.
N
egeneratorseton 50cycles,
ovethe100A.thermalelementinthe
allthe spare50A.thermalelement
ht sideofthecontrolcover.
EMOVINGTRIPPINGELEMENTOFAIRCIRCUIT
ateonpanel.Removethefour
coverandremovecover.Thenremove
ythetwoholdingscrewsandpass under-
It willhangbyits twoexternal
Removethethreeleadholdingscrews
fthebreaker.Removethebreaker
sethetripelementslightly soasto
mthebreakerandremove.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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ION
nedtoa rightsidecoverand,
theunusedelementshouldbeboltedto
ebreakerfromtheunit, leads
theback,theundervoltageleadsdis-
nfromtheirclips,andthefrontcover
ovethefourrearholdingscrewswhich
upports.
vablehandle,careshouldbetaken
tion"lineisatthe bottomorthe
dle,is rightsideup.
thefront coverofthebreakers
ytightenedto avoidstrains.Itis
gressivelytightenedasonewould
arwheel.Thesteelcoveronthe
edto giveanequalclearancebetween
foretightening.
THE60CYCLETO50CYCLEOPERATION(After
95havebeenfollowed.)
ontheterminalbox locatedon
terminalboardinlinewiththe
hedtotheterminalbox,or seeFigure
overfromthevoltageregulator.
inalonthe smallresistoratthelower
itionmarked50cycles.
romtheswitchboardcabinetami
a guide,reconnectwiresmarked"A",
as showninthemarginalinformation.
the tapperrighthandcornerof
ngtothe instructionsinpara-
thatthecircuitbreakeris inoff
espeedadjusting screwatthe
ownin Figure307.Loosenthisscrew
t1500 R.P.M.atnoload.Seepara-
etshouldnow bereadytooperateon
Allcoversshouldbereplacedand
ONS
o"Offposition.Pullstop con-
nginetoidlea fewminutes,after
all thewayouttostop theengine.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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TORSET
TORSET
BLY
semblyarerecommended:
oximately18"fromthefloor.
egeneratorliftingeye,liftthe genera-
he approximatepositiontoassemble
ouplingflangemustgo intothefly-
thegeneratorframeslipsintothe
heelhousing.SeeFigure104'.
wheelcapscrewsandalsothe
eatorcapscrewsbeforetighteningany
entheflywheel-to-generatorcapscrews
pling-to-flywheelcapscrews.SeeFigure
neratorassembledasaunit,lift
ame.Themountingframeshouldhave
edtothe frameandtheflexiblemount-
ngineandgeneratoraresetin place.
mountingboltsandthe twomounting
otor.
s,and braces.
trolunit frame.
ntroluniton theframe.
softheengine controlsanden-
thegenerator.
ontrolon theframeandconnect
e WiringDiagram,Figure320.
eneratorcircuitbreaker,switch
gure102 andhookitupaccordingto
e320.
ycontrolswitchand hookit
shut offvalveaccordingtothe
hand hookuptheenginewiring
ngtotheengineWiring Diagram,Figure
ATORFORTESTRUN
enquartsofthe recommended
ordingtothe operatingtemperature.
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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TORSET
t,cleanwaterorsuitable
rter motor.
mphousingwithclean,fresh
elmarkandalso fillthegovernor
hefulllevel mark.
lineto thefirststage,orpri-
nnectiononthefueltank.NOTE:The
fueltankisthe specialplugwhichhas
ottomof thetank.Connectthefuel
97.
ne fromthefuelinjection
eturnopening.See Figure197.NOTE:
gshouldbe connectedtothehorizontal
oneofthefueltank connections,
s "T"shouldbeprovidedwithan
gpurposes.
ofthe fuelinjectionpumpto
kvalvespringtensionsopumphousing
efuel
e322
e
out
ns
ustbe
eft)
n-
he
el
he
the
e
oximately900R.P.H.)andcheckfor
ringthe engineuptonormaloperat-
atertemperaturerisesto 100° or120°.
overandadjustthevalvetappets
ows:Theintakeclearanceshouldbe
2".Insertthecorrectfeelergauge
ndthevalvestem.SeeFigure 323.
ugebackandforth.If theclearanceis
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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TORSET
otethatthereis justaslightdrag
hmomentarilypreventshimfrommoving
ranceis notcorrect,thiswillbe
chwillnotpermitthe feelergaugeto
bledrag.Ontheotherhand,if the
utanybinding,theclearanceisIn-
teighthoursasfollows:(a)
R.P.M.;(b)twohoursnoloadat 1800
fload;(d) twohoursat3/4load.
sforobtainingloads.
turesafetyswitchbyraisingthe
byclosingoffthe aircirculation
newillstopa fewminutesafterthe
°.Seeparagraph115.
sarytoadjustthesmokestop in
dthereis noothermeanstohookup
he waterbarrelmethodofcreating
ewaterbarrelmethodis asfollows:
waterand addsalt.Obtain
nd attachtoeachofthethree phase
tothewater barrelapproximately12"
equidistantinordertobalancethe
essaryload,voltstimesamperes,times
vethedesiredkilowatts.Forin-
s 36K.W.,thevoltmetershould
94-1/2,or iftheloaddesiredis 35
dread220andthe ammeter92.For30
dread220andthe ammeterread79.An
eloadcan beobtainedbyloweringor
thewaterbarrel.
nthetachometerforthe critical
.M.thatarenecessary,butuseacounter
encymeter.Thesetting atthefactory
0to 61.5cyclesfor1800and1845
CTIONPUMP
umpwith theengine,thefollow-
to timethefuelinjectionpump
e timingmarkNo.1,F.P.I.
inthecenterofthe timingholeof
Figure190.NOTE:TheNo.1 piston
ionstrokewhencenteringthistimingmark
ywheelhousing.Thiscanbechecked
73
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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TORSET
akeandexhaustvalvesofNo.1cyl-
edandhaveclearancebetweenthesten
diator.Removetheoil filler
romthecapscrewsofthefuel
thethreecapscrewssothatthe gear
ure324.
edi-
ub.
of
he
i-
-
e
k
ub
s
er
he
eNo.
c-
the
26.
n
he
ns-
-
the
e
ar
es
n
ng.
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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TORSET
n
7,
ge
he
ked
moment
anbe
e
nk-
he
-
hole
is
ct
re190. Ifnotthetiming iseither
etimingis advanced,thetimingmark
thecenterof theflywheelhousing
emarkhas gonepast.
etimingis retarded,loosen
huband turnthehubclockwise(as
egreemark.If timingisadvanced,the
counter-clockwiseonedegreemark.
ubcounter-clockwise,asshownin
he hubretainingnut.Exertjust
enchhandletomovethe hub.Tighten
kthetimingbeginningwithStep6.It
attheforegoingproceduremorethanonce
diatelyuponportclosingwhich
dcenterofNo. 1cylinder,asmeasured
dNo.1 F.P.I.^
age
mp)
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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beenfilled withdirtdueto dust
nditions,orhas beensubmergedduring
hwaterand iscloggedwithmud
bablyrequirea thoroughwashingout,
etear-downoftheentire unit.
MENTOFENGINEAFTERSUBMERSIONINSALTOR
heengineisrequired,and unfor-
ntforthisoperationisrarelyavailable
.Thisbrings intheelementoftime.
betakentopreventcorrosion,inso far
whentheengineiscompletelydis-
aned.Theactionoftheair creates
llpartsofthe engineshouldbecoated
withoil topreventtheairreaching
attheairbe keptfromcontacting
caseswhereoilisnot available,
lowtheenginetoremainunderwater
mcanbeobtained,provided,ofcourse,
inareasonablelengthoftime.
egivento theimportanceofworking
attheengineisto besalvaged.
mustbepromptlymadetodismantlethe
bleandthoroughlycleanand slush
ccurredinsaltwater,it isrecom-
e engineisdismantled,allpartsother
bewashedinhotfreshwater,dried,
goilthat hasbeenheatedto180° F.
ries,suchasstartermotorandgenera-
ushedwithfreshwater,dried and
eforeusing.Whentheseelectricalen-
overhauled,theyshouldbevisually
on,theconditionofallinsulation
calcircuitsthoroughlytestedbe-
gtctheinstructionsgiveninpara-
65. Allwindingsthatareotherwise
edinanovenat 140° F.forfourhours
xibleconduitsmustbereplaced.
bemadeofeachpart salvagedto
entofthe damagescausedbycorrosion
sedbythe suddencoolingactionofthe
nginewasat operatingtemperatureat
ersion.
MENTOFGENERATOR
hhasbeenfilledwithdirtby dust
nditionsorhas beensubmergedduring
hmudandforeignmatterwillrequire
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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suchcases,disassembletheapparatus
rtswithwater.Use anapprovedsolvent
insulation.If waterisappliedto
,the pressureshouldnotexceed25
RATOR
sulationinclude:wipingoffthe
,blowingitoutwithair pressure,
pparatus,removingit invarious
ashingitoutwith water—sometimeshot
eeded.Themethodwill,ofcourse,
sinvolved.
DAIR
tabout25poundspressureis
arlywhenthedirthascollectedin
achedwithacloth.Donot directcom-
onuntilcertainthat itisfree
veaccumulatedintheairline from
nairpressuremayloosenbindingtape
blownoutofa machineislikelyto
re inoperationnearit.Remember
implytransfersthe dirtfromone
essthefinal locationisoutside
ttlegoodhaybe accomplished.
ontainsoil orgrease,asolvent
t. Therearethreetypesofsolvents
e.
ates,suchasbenzineor gasoline,
ichareextremelytoxic)carbontetra-
hetwo.
eleast corrosiveactiononthe
orthatreason,whereconditionspermit,
solvents.Benzine,havinga flash
sperhapsthe mostgenerallydesir-
merciallyasStoddardSolvents(described
dsas"CommercialStandardSC-3-28"),
etyTypeSolventsminimizethefire
n preferencetogasolineorbenzine,
ouldbeusedto preventfiresorexplo-
rbontetrachlorideand50%benzineor
and40%gasolineisnotinflammable,
he rightproportionofairare explo-
,solventsare generallyused
thclothsmoistenedwiththe clean-
77
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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solventmaybesprayedonthein-
rtsmay bedippedintothesolvent.
sareused,guardcarefully
areveryinflammableand
yexplosivewhenmixedwiththeproper
tilationandminimumfirerisk.
becomesaturatedwiththe
uldbecomesaturated,itshouldbe
herhandy.
ingmetalparts ofthegen-
uldnothaveprotrudingnails.
hercleaningsolutionor
enozzleis grounded.
hloride,guardagainstbreath-
uldbeprovidedwhenanytype
ethodsofdryingthe insulationof
ternalheat,andacombinationof
s,wherepossible,istodrythe gen-
ehot.
NALHEAT
generatorwith electricheaters
ofthe windingiseffective.Most
darethespaceheaters.Thistype of
wide,anddependingupontheir capa-
2"to43"long.
recommended.Agoodtemporary
elsof heatinsulatingmaterialsecured
anbe madeofsheetiron,bricks,or
insulatingmaterial.
ventilatedtoprovideair circu-
ure.Pre-heatedairmaybe forced
ndsofheatersmaybe usedifprecau-
ON
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
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nd tokeeptheactualproductof
LHEAT
dried bycirculatingcurrent
way,internalheatcanbedeveloped
ontovoltagesthatmight damage
aysdanger,however,ofserious
rying theinsulationinthismanner
he innerpartsisnot readilydissi-
ningmoisturearemostsusceptible
asesandvaporsgeneratedwithin
suchpressurethattheyare forced
kingthecontinuityofthelayers or
meansofdrying shouldbecarefully
duntiltheinsulationr esistance
andthenhasincreaseduntilat least
volts,operatingvoltage,isindicated,
megohm,regardlessofvoltage.It
intainthetemperatureatfrom15to
ady foroperation.
enerators,theinternalheat
ebytheshortcircuitmethodor low
rce.Theshortcircuitmethodmeans
ewindingsanddrivingthe generator
excitationtogivesomewhatless
ent.Whenthe windingsareprovided
edetectorsorwhentemperaturesare
ofresistancemethod,thecurrentmay
ternal temperatureof85° C.from
un. Ifthetemperatureindications
meterslocatedontheoutsideofthe high
ralhoursmayelapsebeforemaximum
ntcurrent,ventilation,andambient
indicated.Sincethesetemperatures
owerthanthetemperaturesatthe
C.
roman externalsourcefordrying
ntmustbe controlledsoasnotto
Whenalternatingcurrentis sup-
n externalsource,thefieldwindings
ited.
79
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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/ h t t p : / / w w w . h
a t h i t r u s t . o r g / a c c e s s_
u s e # p d - g o o g l e
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,30KW
ATORSET
ntract56995
sandInstructions402-3
emblies404-5
ngineAssemblies407-422
Accessories423
es423-431
mAccessories432-438
ories'.439-440
cessories441
eneratorandExciterAssemblies...442-450
rIllustratingParts451
blies452-456
Parts457-461
tsandPrices462
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
/ h t t p : / / w w w . h
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SITIONS
THE PREPARATIONOFREQUISITIONS
forrequisitioningspore porti
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ntbytelephone,telegraph,orradiomustalwaysbeconfirmed
onmarked:"Confirming(stateidentifyingdata)."
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ntheoppositepage.
DINMAKINGOUTREQUISITIONS.
ationofwork.PropertyOfficersmayauthorize
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LLBEOBSERVEDCAREFULLYINPREPARING
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tionforeachdifferentmachine.
pperrighthandcornerofrequisitionform.
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tionofauthorizedallowances.
bsequentrequisitionstomaintainauthorized
nsfornecessaryrepairsnotcoveredbyallow-
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eofmachine,andmake,model,serialnumber
ddatedeliveryis required,immediatelybelow
rgroupheadingsas showninmanufacturers'
snumbersandnomenclaturedescriptionsaccur-
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ms.
entbytelephone,telegraph,orradiomustalways
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ushAssembly446
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Term.Lug...........2064446
StudJamNut..........C2286-40A446
Stud..............................."...C19133446
BearingCap..............D6087445
Cap— CapScrew(s/j«-18x2:J4)...........C2346-20A442
CapScrew LackwosherC'i'e)............C2291A-21449
Cover...........D616744?
CoverScrew(H-16x'/i|Fll.Hd ..........C2364-228442
et................CT2278
y......E4971447
mbly.........../„
PoleAssembly'("4140Or.3 447
nly .......[„
PoletCollCompleteD1999-B447
ke..............................E3714448
keLocklnqScrew ____ C2387-506448
keAssembly... NO277443
Nat.676..................,...'.'.'.'.'.'.'.ES9702448
rinq................NO279448
mutator...............................DN91300A-Gr.6447
pletewithwinding)....................D6503-Gr2447
.............................C20856447
ont)................F3853442
ver.....................'C7702442
verScrew(V4-20x%)Rd.Hd..' '.'.'.'.C2386-497442
asePlug ('/•").........B5671446
ewLock Washer('/,}(Pc.22)..C2291A-22 449
ew(Vi-lOxH')Fll. Hd..................C2360-188442
p.................B3349
earinaCao..............,..,........,,C15848447
ubleShield) ........................SFF204447
ainer..............C16735447
Bolt...................Cl1518-5602442
H') Hex.Hd..........................'.C2286-38'442
Nutfor AlternatorLeads.........'......C2348-1847
Fan................D6438447
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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ngineParts
TURYELECTRICALTtiRNATOR
ARTNUMBERS
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a t h i t r u s t . o r g / a c c e s s_
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P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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OLSANDINSTRUMENTS
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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a t h i t r u s t . o r g / a c c e s s_
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P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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u s e # p d - g o o g l e
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Cable(2)DP2682-Caole111
CONNECTIONS
P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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P u b l i c D o m a i n , G o o g l e - d i g i t i z e d
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rC61106267-Woiher161
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sfollows:
p.,Toledo,Ohio
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Inc.,Kingston,N.Y.
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K-6173199-G1
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Regulator....GE
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ngineParts
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