daihatsu main generator engine

8/6/2019 Daihatsu Main Generator Engine

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- INM A A M K E E RO F ~ :'A TS U

MAKER'S DRAWING '

'1 _ . ~ ~ ~ , . _ , , , ~ , ~ ~ " " . _ . . . I I _

DIESEL

LTD.

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LDt.) fgEcsS, ALAMM C P O e t " 18')

ADf)ED P[2NEi)tJRE.

(f<1.~ 4<;- £, )



Frame are made of cast

are f i rllllyjo i nt ed each other by means

The fram~ has big inspection holes On the both" '

be taken out the main and crank pin be<:).ring TheUs, and

moving parts. '

The sole plate has main bearing housings which ar e. ~ "

together Jith main bearing c a p s . JIS. ma't;erial

is made of high grade R. R., forged steel

Its dimensions and

specified.' .,

JIS material symbolj SF.55.

,The' matn bearii\g"sh41 1 is made of, white metal

Two (2) pieces type mild steel. It is completed

is provided with complete interchangeability.

SIoe. W J2"

higb pr-es aur-e ,

The piston pin is made of carburizing

mor'Lbuden steel,ahd is trea.ted b)' surface :hardening.

method is adopted in fitting the piston pin,:

The piston rings and oil ~ings are(

. - .

chiomiu~plated~



W i th bronze.

Thecrarik pin

It haa Ii fuel i~jectJo~ rtozzleoti its, cehter• - .' • • • • " \' ,~ . " >

of intake ,and ,exhau~,t Y£tlves ,to~ker, arms.; "'starting valve

valve are arranged ar-ound t h e fuel inje~ti:;n nozzLe,

JIS material symbol i FC25.,



exci ted by

starting from the, controI panel, compressed air with the pressure o f

abt, 15 - 2 . s kg/cm2

is del ivcredto .eachcyli~der through the' r'erriote

or automaticst.artingdevice, [1nd the engine can be easily started.

Subsequently, .compresi:.edair is automatically, cut off by t.he signal

for

Fresh

Cooling wafer pump equipp:d on the

driven by th~'cralikshaft ge;;\1:"'itl1cushiortdamper~ Thewater

. live;edfr9mthe. pump f1o~s through cYlinderjack~ts~ cylinder

one..al1d finallyretJlpn to the. fl=csh watercooler, while, .. '".", . '. .., -,

Cooling.wafer regulating cocks are equipped

each cylinder head.

Se a water

The'sea water delivered

yard flows through

.. . ..

<:,1.1cooler and oil filters, (\l1ddrops 'back. .

Branch oil line Lubricate's carn shaft beat'ings

turns to the SU!llp.



with trochoid pump ; 011 filter

to avoid the contamination of crat'tk case·lub. oil

oil.

-. . .. -: . . . . . . .

gas from each cyl inder is~:jr·ouped and is l~d."~nto

. the exhaustturboc.charger· to drive the turbine s,:The

is determined to achieve the suitable per-f'omanr-e. of

turbo-charger and the engine •

. ,'; ..



, ':rhe UG8Dgovernor is the hydraulic type,.. . '

, chronizer), ,speEid droop an <;1load litrtit co rr t. r-cs are standard

Governor motor ""AC;llQV. ," I p ,

Permanent magnetic field motor, with potentio-

meter ..,.

safety 'device

BBC type, IHlmodel VTR :':250

'rolled steel '., JIS 5541

e l l - N i ~ q O · _ ' 1 0naval brass

naval brass

(For cyLinde r- jacket)I

,Centt-iftigal type

m3/ h . .

""

Cast iron JISRC;20, I , '

,casting ji~ AL EC ) ': :1.' ,.':

,J{5' sus ;oli



Pump suction 'side ""__ __r

Simlex type ,32}1esh...for system line

Pump d~livery' side _ ;__Notch ...,ire, duplex type, ~ J O O "mesh

•....... . . blow-off (Attached the hull) .

Laminate type, 2 6 0 "

ing handle

Due to requiFement olrule.

for' !Sa:fety devi-ee

type thc:rmostatic valve for lub.oil

by pass device,' attached t.o Lub,

separating plate.

plate for lube oil



Scale- range

scaie range

Seale range

Scale ratlge

Scale .r:}I·nge

, 'J"

0·· 6kg!ein'"

, 2o - 6 kg/em .

1. ! 2o - " * ,kg em

o - 1 k g / c m 2 .

0- 6 Kft!;/'::n2.

Thermometers

Lub. oil; cooler inlet nnd outlet

-.-Scale range 0° 100°C

Fresh wat er i engine inlet . Scale rahge 0° - 100°C

eac h c ylinder outlet_ Scale range 0°

turbo-charger ouilet_,_: Scale range',0(:)-. . .

Exhaust gasjcach cylinder outlet__ Scale r anqe 0°_ 500°C

t b h t1... S 1 0° , 50( °cr o-c argcr our e.._____" CA e ra,nge - ),

",Intakeairjintake manifold -,,-'--'_'



2. Fuel control piston, ':for protect:i~n o:f exce!3sive

a s engine starting

3. Lub, oil priming pump (Air operated booster type)

. ' ,

4. 'Spe'ea(Low speed and over

5. Fuel shutdown device

6. 'l'urningsai'ety switch, for stand";by signal at setting of'f'

positibrieach: othe:r. o: f ' tu rning devioe"

7. stMd~by sienal at runnine position of'

. .

device:

, +0' " ,', ,Over tlpeed (115' _3 % al arm& stop) ,

qOOlin~F~~.lligll: ,temp" (85 :~oc '

Rocker arm L.O~t~nk'level(:tow'alarm)

other alarming switchs are supplied byshipyard •.



. Spe cif ic f ue l c ons ump ti on . is 165 gr/PS-hr (3 % a ll ow an ce ) u nd er

full load. (Provided the lower calorific value of fuel is no t less

than 10,200 Kcai/kg)

i s s ud de nl y taken off 6~.· when 5 0 % rated

generator is suddenly applied, followed by 't;he I'e~aini~g

.Permanently: wi thin 5% , R ec ov er y t im e:

Momentary within 1 0 %Sec.

go ver no r m ot or

. -3% ·more than +7% at no load time abo ut 8 - 10

.. 0

Turbo~e~arger outlet abt.' 400 C

,

at full load- and <tlllbi'ehi":

110% xlHR

Abt. 1gr/PS:-hr.

Exhaust gas volume Abt. 4590 Normal I l l ? /llr.

Permiss.ible exhaust gas back p re ss •

Below



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daihatsu main generator engine

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