dc9 - control surfaces om

DOUGTAS AIRCRAFT CO. , INC.

EC.9MAINTENANCE MANUAT

C H A P T E R 2 7

F L I G H T C O N T R O L S

P r i n f e d i n U . S . A


DC.gM A I N T E N A N C E M A N U A L

E LEVATO R

27-00CODE 3P a g e 2

H O R I Z O N T A L S T A B I L I Z E R

A I L E R O N

A I L E R O N T R I MTAB

A I L E R O N C O N T R O LTAB

S LATS

F l igh t Con t ro ls Con t ro lF i g u r e I

G R O U N D S P O I L E R

F L I G H T S P O I L E R

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R U D O E RC O N T R O L T A B

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/GEARED TAB

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Su r fa ces

A u g L / 6 6

DOUGTAS AIRCRAFT CO., INC.

DC.S'} IAINTENANCE MANUAI

Tab R igg ingFigur e

Prot ract o r202

RUDDER TAB RIGGINGREFERENCE LIITIE

ELEVATOR COI{TROL TABRIGGII{G REFEREIICE LII{E

BB2-936A

27 -OOCODE 4

Page 209

AILEROI{ COI{TROL TABRIGGIilG REFEREI{CE LIiIE

AILEROI{ TRIM TABRIGGI'{G REFEREI{CE LIt{E

ELEVATOR GEARED TABRIGGII{G REFEREIICE LIt{E

RIGGING REFEREI{CE LI l {ES

Of{TROLURFACE

Aug L/ 66

P r i n f e d i n t l S A

AILERON CONTROLWHEEL


DC.SIMAINTENANCE MANUAT

AILERON TRIMCONTROL KNOBCONTROL

PEDESTAL

AILERON TORQUE TUBEAND OVERRIDE MECHANISM

Ai leron and Tab Cent ro l SystemF igu re I

27 -L0 - 0CODE 1Page 3

AILERON TRIMD R U M ( I N R I G H TLATERAL CONTROLMIXER )

AILERONCONTROLCABLES

AILERON CONTROIsYsfEurr^t:z

Aug L /66

P r i n t e d i n U S . A

AILERON INPUTDRUM ( IN LEFTAND RIG}ITMIXERS )

.ERON BUSBLE SYSTEM

AILERON OUTPUTD R U M

CONTROLTAB SECTOR

AILERON BUS SECTOR CONTROL TAB

TRIM TAB ACTUATOR

BB2- I I43 A


DC.SIMAINTENANCE MANUAL

CONTROLCOLUMN

I . T U R N B U C K L E S

16 . ADJUSTMENTSCREWS

TURNBUCKLES

2 . T U R N B U C K L E

AILERON SERVO

VIEW BLOOKING UPAND Aff

Tab Cont ro lF igure

AILERONBUS CABLE

System Ad j ustrnent501

C O N T R O LW H E E L

TAB SECTOR4 L5,

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L3. F IX

27 -10 -0CODE 1

Page 50 3

ts|

R I G P I N(RP. - 2)

INDEX MARKS

3 . T U R N B U C K L E S

AILERONTAB CAB

I I . T U R N B L

BUS SECTOR

Aug L/ 66

Ai leron and

P r i n l e d i n U . S . A

7 . R O L L E R

vtEw c-c

9. EYEBOLT

8. LAMINATEDS H I M

I } . A I L E R O N B U S C A B L E STURNBUCKLES

AILERON CONTROLTAB SECTORS P R I N G

SCALE

vtEw cMIXER

RIG P IN( R P - 7 )

I O . P U S H R O D

vtEw E

ACTUATORROLLER

RHEOSTAT

A L I G N M E N TMARKS

B B 2 - 7 0 5 D

RIG PIN(R P-3)

\

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TAB SECTOR

vtEw B-BCABT"E INSTALLATION

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t". \ ,1

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27-10 -0 A i l e ron T r im TabCODE 1Page 5L2


DC.9MAINTENANCE MANUAT

LATERAL CONTROL MIXER

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49 ..t/t T,RNBU.KLES

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R I G H T W H E E L W E L L \

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AILERON TRIMCONTROL KNOB

T2, EYEBOLT9 . J A M N U T

AILERON 10. ACTUATOR SCREW

I 1 . B O L T

L f tL /32 ) INCH* '

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Contro l System AdjustmentF igur e 50 4

LEFT DRUMRIGHT DRUM

B B 2 - 1 2 0 C

A u g L / 6 6

2 . D R U M

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EYEBOLT

Aug L /66

B .

DOUGLAS AIRCRAFT CO. , INC.

DC.g'MAINTENANCE MANUAT

Ai Ie ron

A i le ron mus t be p roper l y ba lanced be fo re ins ta l l a t ion( s e e S t r u c t u r a l R e p a i r M a n u a l ) .

I n s t a l l

N O T E :

AILERON

NOTE

REMOVE TWO SCREWS AT EACHHOIST ATTACH POINT AND ATTACHFITT ING WITH AN4 .1O BOLTS.

STOW CENTER CABLE WHEN USED FORLIFTING AILEROI{"

ATTACH LONGEST CABLE TO OUTBOARDHOIST POINT .

(1) Clean eontact area between base of eyebolt and ai leronf i t t i ng a t each h inge to p rov ide good e lec t r i ca l bond .

(2 ) Check tha t t r im tab push rod i s ad j us ted to L2 .4L2 ( t 0 . 010 )inches, measured f rom center o f a f t bear ing to center o fforward bear ing.

(3 ) Remove p lugs f rom s l i ng a t tach ho les and i ns ta l l s l i ng onupper sur face o f a i le ron.

(4) Move a i le ron wi th s l ing and ho is t to a pos i t ion above ands l i gh t l y a f t o f i ns ta l l ed pos i t i on .

(5) Pos i t ion damper l inks so they wi l l a l ign wi th damper crankson a i le ron when a i le ron is moved in to p lace.

U N I V E R S A L S L I N G

LONG CABLEb

1 .

27-10-1CODE 1P a g e 4 0 q

Ai le ron S l i ng Ins ta l l a t i onF igu re 402

BB?-283

Aug L /66



1AILERO]T TRIM TAB ACTUATOR

AILERON

TRIM TAB

CONTROL TAB

27 - 10 -1CODE 1Page 408

vtrw cAILTRON HINGE

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CONTROL TAB HINGE(TYPICAU

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27 -10 -2CODE IPa ge 202

Ai leron Cont ro l TabF igu re 20 I

B B 2 - I O B

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f n s t a l l a t i o n

Aug I / 66

AILERON

D O U G T A S A I R C R A F T C O . , I N C .

DC.SIM A I N T E N A N C E M A N U A T

I

AILERON TRIM TAB ACTUATOR

CONTROL TAB

TRIM TAB

vtEw c

AILERON HINGE(TYPICAU

2

v | lw A

A I LTRON

v| lw BCONTROL TAB HINGE

(TY PICAU

27-10 -2CODE 1Page 20q

A i l e r o n a n d T a b sF i g u r e 2 0 2

L u b r i c a t i o n(Sheet f )

BB2.738

A u g I / 6 6


DE.STM A I N T E N A N C E M A N U A T

AILERON HINGE LINE

1 5 . S E C T O R

R I G P I N( R P - 3 )

L A T E R A L C O i l T R O LM I X E R L O C A T E DI N M A I N G E A RW H E E L W E L L

B B 2 - 1 I 9 3

A I L E R O N B U S C A B L E S

CABLE INSTALLATION

AI LER ONCONTROL TABC A B L E S

2 . T U R N B U C K L E S ( D )

S PAR

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S P R I N GS C A L E

21 - I 0 -3CODE IPage U02

. , I O P S

i T O P S

A i L e r ( ) n S e c t o r s d r ) ( l L o . r d - F ' e e l C r . r r r k : ;I n s t . r I l . r t i o r t

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DC.9}IAINTENANCE MANUAT

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AILERONDAMPER

ATTACH BOLI 2(3 PLACES) :

MS20470A06RIVET

Aileron DamperF igure

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4

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ACCESS 000R

27 -10 -qCODE 1Page 202

I ns ta l I a t ion201

BB2-1099 B[trlotHc EDcE

Aug L / 66

DOUGIAS AIRCRAFT CO. , INC.


,as,{r^ I / 8 I N C H M I N ,

I /4 INCH MAX, T R I M T A B

1/4 tNCH MtN.1/2 INCH MAX.

Yuw D-D

=./7 1/4 tNCH MtN.L7/32 |NCH MAX.

>-r/

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/

TRIM TAB ACTUATOR O*'" (

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D

r 3 / l z l N c H M l N .L7/32 INCH MAX

TABEYEBOLT

TRIM TABPUSHROD

EYEBOLT

vtEw

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I . B O L TC

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TAB PUSHRODAFT FAIRING

27 -10 -5CODE 1Page 202

A i le ron T r im TabF ig urrl

4. JAMNUT

CONTROL TAB

(,

u - l -

P r i n f e d i n U S A

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AILERON TRIM TAB ACTUATOR

CONTROL TAB

TRIM TAB

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vll,w A

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vll'w B

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DC.gM A I N T E N A N C E M A N U A T

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2. BoLT (HEADMUST BE INSTALLEDFACING OUTBOARDI

r. TURNBUCKLES

CRANK

BLOCKS

vtEw

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WING REAR SPAR

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TAB PUSH

TAB

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7. EYEBOLT

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3 . B O L T SB P L A C E S )

TRIM TABC O N T R O LCABLES

A C C E S SDOOR(OPEN POSITION)

BB2-665 B

27 -L0 -6CODE 1Page 202

VIEW A

ACTUATOR INSTALLATIONLOOK ING UPWARD, FORWARD

AND OUTBOARD

Ai le ron T r im Tab Ac tua to rF i g u r e 2 0 1

CABLES

P r i n t e d i n U S . A .

I n s t a l l a t i o n

A u g L / 6 6

DOUGIAS AIICIAFT CO., INC.

ac-s,MAINTENANCE IIANUAI

2 . CAMAILERONCONTROL WHEEL

BREAKOUT FORCE = FORCE lN POUNDS (F)

X LENGTH lN INCHES (L ) = INCH-P0UNDS

I . CAM FOLLOWER

LEFT I-ATERAL CONTROLMIXER SHOWN. RIGHTMIXER SIMII. .AR.

Aileron Torque

VICW B

vtEw DLEFT WING LOAD.FEEL CRANKSSHOWN, RIGHT WING CRANKS SIMI I -AR.

N o r E : i b!' g 3 Bf-' ?3.'?'31' "

Tube and Override l'techanismAdj ustmentF igure 501

27 - 10 -9CODE 1Page 502

BB2-I 2668

3. ADJUSTIvIEI{TSCREW(4 PI-ACE5)

L COLUMN

. / , /' r /

,/ ---Yllw 4OV€RRIDE MECHANISMLOOKING AFT LOAD -FEEL

CRANKS

RIG PIN ( RP-3 )(2 PLACES )

Prlnlad In U.S.A.

Aug I /65

\ttla

DOUGLAS AIRCRAFT CO., INC.

DC.9MAINTENANCE MANUAI

CO NTRO L

A I L E R O NC O N T R O L

B R E A K O U I F O R C E F O R C E I N P O U N D S ( F )

X L E N G T H I N I N C H E S ( L ) . I N C H - P O U N D S

VIEW B

LOAD - FEELC R A N K S

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3 . A D J U S T M E N TSCREW( 4 P L A C E S )

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N O T E : A I L E R O N B U S S E C T O RNOT SHOI^ /N FOR CLAI I ITY

Tube and Over r ide Mechan ismAd j us tmentF i g u r e 5 0 1

L E F T L A T E R A L C O N T R O LM I X E R S H O W N . R I G H TM I X E R S I t \ , I I L A R .

A i l e r o n T o r q u e

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DC.gIMAINTENANCE MANUAI

RUDDER THROW.LIMITER ACTUATOR

DIAPHRAGM

SECOND STAGEL I M I T I N G S P R I N G S

A I R P R E S S U R E ] N L E T

IDLE R CRANK

L I N E A R C R A N K

F I R S T S T A G EL I M I T I N G S P R I N G S

D R I V E C R A N K

A C T U A T I N GC Y L I N D E RP I S T O N R O D

H O O K

PISTON

27 -20 -0CODE IPage I

vrEw A

Rudder Throw-Limiter ActuatorF igu re 4

B B 2 - 1 0 7 3 8

Aug I / 66

P r i n t e d i n U . S . A .

and L inkage



,$,CONTROLTAB

RUDDER

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RUDDERT R I M C O N T R O L

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RUDDER HYDRAU LICPOWER SHUTOFF VALVECONTROL LEVER

CONTROL / 'PEDESTAL / '

RUDDERPEDALS

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27 -20 -0CODE IPage 2

\rr^ ? ll

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PACKAGE

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RUDDER DRIVET O R Q U E T U B E

DRIVE SECTOR

CONTROL TABTORQUE TUBE

BB2-LT44

Aug L /66

J--,/ ''lltJ-

Rudde

P r i n t a d i n I l S A

S chemat i c


DC.gMAINTENANCE MANUAT

VIEW A.A

: i . 5 . TA8 PUSHROD

CONTROL TABI .ORQUE TUi ]E

R I G P I N( R P - 5 )

r l . P U S H R o D l AI . B O L T

6 . P I S T O N R O D 3 , CRANK 2 . PUSHROD

7 . S T O P S C R E W

RUDDER TRIM ANDLOAD.FEEL SPRII{GCABLE DRUM

ACTUATINGCYLINDER

8 . J A M N U T

9. EYEBOLT

RUODER POWERCOI{TROL VALVE

YAW 13 . JAMNUTDAMPERAC TUATOR

Power package AdjustmentF igu re 501

BB2- t0030

27-20 -0CODE 1

Page 50 3

6 . P T S T o N

T 4 . J A M N U T S

Aug L /66

Rudder Hydrau l ie

P r l n t c d i n U S . A


DC.9MAINTENANCE AAANUAT

ADJUSTERA R M

VlEW C

RUDDERPEDALADJUSTMENTKNOB

3 . P U S H R O D

R I G P I N R P - 5

D R I V ESECTOR

RIG BRACKET

2 . T U R N

L-?3/32TOr - 1 3 / 1 6I N C H E S

3 / 4 I N C H E S

BRACKET

VIEW B.B

7 . R E T A I N E R

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B B 2 - I O O O C

27 -20 -0CODE I

Page 509

B U C K L E S

P R E S S U R E S E A L S

VIEW A

Aug l /66

Prtnlcd In U.S.A.

L I M I T E RBELLOWS

I

6 . P R E S S U R E! N L E T

DOUGLAS A|RGRAFT CO. , tNC.


T 3 . H O O K

5 . P U S H R O D VIEW A-A

C R A N K

S T O P S O L T

1 2 , S P R I N G S

1 3 . H O O K

9 . S T O P

3 , C R A N K

I . B O L T B E L L C R A N I (

1 0 . T U R N E U C K L E 2 . P U S H R O D R I G P I N ( R P - 1 )

V IEW A I 1 . S E R R A T E D W A S H E R

Rudder Throw-L imi ter Act r :a tor and L inkageAd j us tmentF igu re 50 5

5 . P U S H R O D

B O L T

27 -20 -0CODE 1Page 5Lz

B82- I 0 04C

I 4 . P I S T O N R O D

I 5 . S T O P H O O KqL 6 . S T O P S C R E W

Aug L /66

D O U G I A S A I R C R A F T C O . , I N C .


TU RNBUCKLE S

F E E L S P R I N G

Y|rW I

Cont ro l SystemF igu re 506

3 . D R U M

G U A R D P I N S

RIG NEUTRALNOTCH

BB2-10058

27 -20 -0CODE I

Page 51 5

1{DtCATgR / ,RUDDER TRIMPLACARD /,/ CONT ROL KNO


6 . S E C T o R

CABLE BALLE N D S O C K E T S

PRE S

LOAD-FEELHOUSING

A u g L / 6 6

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P r i n t e d i n U . S . A

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RUDDER HYDRAULICPOWER SHUTOFFVALVE CONTROL LEVER



r 2 . Y O K E

9 . SECTOR

A R UDDERPOWERVALVE

HYDRAULICS H U T O F F

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Rudder Hydraul ic Power Shutoff ControlSystem Adjustment

F igu re 507

I I . C R A N K

3 . B O L T

4 . P U S H R O D

8 . R I GM A R K ( O N S E C T O R )

I O . G U A R D P I N( O N B R A C K E T A R M )

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OPEN

27 -20 -0CODE I

Page 5L7Aug L/66

Pr ln fcd in U.S.A.

DOUGIAS AIRCRAFT CO., INC.

DC.gIfrIAINTENANCE IAANUAL

T/4 INCH MINIMUMA T U P P E R E N DT/2INCH MAXIMUMAT UPPER END3 / L 6 I N C H M I N I M U MAT LOWER END7 /76 INCH MAXIMUMAT LOWER END

3i8 INCH MINIMUMAT LOWER END5/8 INCH MAXIMUMAT LOWER ENDT/4 INCH MINIMUMAT UPPER ENDT/2INCH MAXIMUMAT UPPER END

1 3 / 3 2 I N C H M I N I M U M17/32INCH tr4AXtMUM

5/32INCH MINIiTUM9/32INCH MAXIMUM

7/8 INCH MINIMUML I /8 INCH MAXIMUM

--- M I N I M U MMAXIMUM

5/32INCH MINIMUML3/32INCH MAXIMUM

SECTION A-A

7/8 INCH MINIMUML L /8 INCH MAXIMUM

BB2-1814A

27-20-0CODE 1

Page 603

1/8 tNCH3/8 rNCH

SECTION B-B

Rudder and ControlFigure

Tab Clearances501

VERTICAL STABIL IZER

Aug L/66

RUDDER

DAMPERLINK

HINGE FITTING

RUDDERSTRUCTURE

EYEBOLT

COVER PLATE

VIEW ARUDDER HINGE POI NT (TYPICAL 3 PLACES)



H O I S TFIXTURE

FAIR INGS

VERTICALSTABIL IZER

RUDDER STRUCTURE

RETAINER

WASHER

BOLT (4 PLACES)

Rudder Instal lat ionF igu re 401

H0RlZ0l ' ITALSTABILIZER

TAB TORQUE TUBECRAt{K

BARREL I{UT

RUDDER DRIVETORQI.JE TUBE

BB2-9408

27 -20 -1CODE 1

Page 40 3

PUSHROD

STABILIZER STRUCTURE

FITTINGS

A u g L / 6 6


DOUGTAS AIRCNAFT CO., INC.

oc-9,MAINTENANCE IAANUAI

RUDDER SLINGMONORAIL.

------I

I . HOIST ING BRACKETS

Rudder SlingFigur e

A,ss emblyq02

3. HOIST CABLE

2 . SL ING CABLE

BB2-t436A

Aug L / 66

27-20-1CODE 1P a g e 4 0 4

Prinfsd in U.S.A.


DE.9AAAINTENANCE MANUAT

BJ

l--

A!

t\

27-20 -1CODE 1Page q 06

vnw ARUDDER POWER

ME CHANISM

vtrw BLOWER RUDDER TAB

HINGE

- vlrw DRUDDER HINGE

(TYPICA L )

Rudder and Tab Lubricat ionFigure 40 3 (Sheet 1)

ytrw CRUDDER TAB

HINGEffY PICA L)

BB2-7 6C

Aug L /66

o r i ^ r a i i n l l Q A

Chart


DC.9, IAAINTENANCE AAANUAL

1 / 4 I N C H M I N I M U MA T U P P E R E N DT/2 INCH MAXIMUMA T U P P E R E N D3 / L 6 I N C H M I N I M U MAT LOWER END7 /L6INCH MAXIMUMAT LOWER END

3 i B I N C H M I N I M U MAT LOWER END5 /B INCH MAXIMUMAT LOWER END1 / 4 I N C H M I N I M U MA T U P P E R E N DI/2 INCH MAXIMUMA T U P P E R E N D

7/8 INCH MINIMUMT L / 8 I N C H M A X I M U M

L3/32INCHL7 /32INCH

M I N I M U MMAXIMUM

s/32INCH9/32INCH


7/8 INCH MINIfuIUMI L / 8 I N C H M A X I M U M

1 / B I N C H M I N I M U M3/8 INCH MAXIMUM

- 5 /32 lNcH MINIMUML3/32INCH MAXIMUM

5ECTION A-A

SECTION B-B

27 -20 -LCODE 1Page 602

Rudder and Control Tab ClF igure 6 01

8 8 2 . I 8 1 4 A

A u g L / 6 6

VERTICAL STABIL IZER


ea rances

DOUGI.AS AIRCRAFT CO., INC.

DC.E'iIAINTENANCE ftIANUAT

FORWARDFAIRING

27 -20 -2CODE 1Page 402

R U D D E RCONTROLTAB

LOWER HINGE EYEBOLT

CONTROL TAB CRANK

Rudder Control Tab Instal lat ionFigure 4 0 1

B82-9418

Aug L /66

- .-.-_/

AFT FAIRING

U P P E R H I N G EEYEBO LT

RUDDER

Pr in ted in U.S.A


DC.9TAAINTENANCE }IANUAL

\ -,

I(

vtrw ARUDDER POWER

MECHANISM

vttw BLOWER RUDDER TAB

HINGE

J VI :W DRUDDER HINGE

(TY PICA L )

Rudder and Tab LubricationFlgure 4A2 (Sheet 1)

Ytrw CRUDDER TAB

HINGE{TYPICAL}

27 -20-2CODE IPage 404

BB2-76c

Aug L/ 66

P r i n l e d i n U . S . A .

Chart

DOUGTAS AIRCTAFT CO., INC.


SUPPORT FITTIITIG

FI-AT PI-ATE ALUMINUMOR STEEL AT LEAST0.L25 THICK

BUTT PLATE TO ALIGNMEASURING ROD WITHTOPS OF FI..AI{GEBUSHllt lcS

WASHERSPACER

WASHER

SUPPORT BEARING

vtEw A

DRILL ROD ORSTEEL TUBII I IG

1 . 6 8 7

5 . 0 0r{cHEs

lltlC

4 . 0 0HES

VIEW BRudder Drive Torgue Tube

Instal lat ionFigure 202

/:,/ 4 4

RUDDER DRIVETORQUE TUBE

INDEX HOLE IN CENTEROF PI-ATE TO LOCATETUBING (DRILL HOLEO.OTO LARGER THAI{RoD S|ZE )

0 .3845 | l {CHDIAMETER(4 PLACES)

BB2-1835

27 -20 -3CODE 1

Page 205

4 . 0 0

Aug L/66

Itlea suri ng Tool



DC.S'AAAINTENANCE MANUAI

I,PC4

!PJ\fV

T/" / :

L--, -----"-/

VERTICALSTABILIZER

27 -20-sCODE 1Page 202

Rudder DamperF igur e

Ins ta l la t ion201

BB2-948

Aug L /66

N

P r i n i e d i n U . S . A

DOUG| AS AtncnAFT CO., tNc.DC.SI

IAAINTENANCE MANUAT

r /8 INCH MINTMUM3/8 tNcH MnxlMuM

1

RUDDERCONTROL TAB

i?,iilil9,l#ly,$,,$

vf:w A-A

RUDDER

RUDDER

BB2-2539

Aug L / 66

2 tf{cH MttrflMUM2 |lrtcH MAxtil,tuM

5/39/3

L.\

A./\

RUDDERc0r{TR0LTA8

Rudder Control TabFigure 601

5/32 fiCH Mf tf tfutf9/gz ff{cH MAxtiflJM

efiriil3il iltii,T,,,lt

27 - 20-2CODE 1Page 602

Fr tn tad In U.S.A.

CIea rances

ATTACH BOLT (4 PLACES'S


ac-gtMAINTENANCE MANUAT

SUPPOR T

D R I V EC R A N K

-.-J

P U S H R O D

vrEw A

VIEW B-B

27 -20 -6CODE 1Page 202

Rudder Throw-L imi ter Actuator andL inkage f ns ta l l a t i on

F igu re 201

B B 2 - 1 0 7 4 B

BULKHEAD

B0LT --r'>-\p

P I T O T L I N E

Aug I / 66

LIMITERBELLOWS

6 . P R E S S U R EIN LET



I 3 . H O O K

5 . P U S H R O D

STOP sOLT

L 2 . S P R I N G S

9 . S T o P

3. CRANK

vlEW A-A I 6 . STOP SCREW

t 3 . H 0 0 K

5 . P U S H R O D

4 . BOLT

BELLCRANI(1 . B O L T

I O . T U R N B U C K L E

VIEW A

2. PUSHRoD RtG PtN (RP- l )

I I . SERRATED WASHER

Rudder Throw-Limiter Actuator andLinkage Adjustment

Figure 202

BB2-1004C

27 -20 -6CODE I

Page 203

1 4 . P I S T O N R O D

STOP HOOK

Aug L/ 66

P r i n t e d i n U . S A

\

)€

r v | l w DRUDDE R HINGE

(TY PICA L }

Rudder and TabFigure 402


DC.S'MAINTENANCE MANUAT

v|lw BLOWER RUDDER TAB

HINGE

vnw ARUDDER POWER

ME CHANISM

Yrrw cRUDDER TAB

HINGEffYPICAL)

BB2-76c

I\,r

l--- \

27-20-8CODE 1P a g e q 0 6

Lu bri cat i on(Sheet 1)

P r i n l c d i n l l S A

Chart

Aug I / 66


DC.9}IAINTENANCE 'IAANUAL

-<

CONTROL TAB SECTOR

v, I

Hi\t,

TORQUE TUBE CRANK

CONTROL TABPUSHROD

ELEVATOR FOLLOWUPPUSHROD

FOLLOWUP BALANCE LINK

ELEVATOR

HORIZONTALSTABIL IZER

CONTROL VALVEPUSHROD

27-30 -0CODE 1Page 10

ytrw A

Elevator Power Control Followup l"lechanismFigure 4

t B2-969A

Aug L /66

COIITROL VALVE

P r i n t a d i n t l S A

!1


DC.9MAINTENANCE TAANUAT

TAB DOWN

ELEVATORTAB UP

RETURN PRESSUREINLET PORT

NEUTRAL

PRESSUREOUTLET PORT

SYSTEMPRESSUREINLET PORT

\ /

SYSTEM PRESSUREINLET PORT

I' PRESSUREI OUTLET PORTl lI I RETURN PRESSUREI I INLET PORTt t l

l l

SPRING

SECTION A-A

Elevator Power Control Valve CutawayF igu re 5

A

BB2-965A

' 27 -30 -0

CODE 1Page I tAug l / 66

P r i n t e d i n i - J S A


DC.S'f r1AINTENANCE MANUAT

N O T E :ALL CLEARANCES ARE FOR FAIRED( N E U T R A L ) P O S I T I O N .

7 /16 INCH MINIMUM9/T6 INCH MAXIMUM

L T /A INCH MIN IMUML 3/8INCH MAXIMUM

7/32 INCH MINIMUMLI/32 INCH MAXIMUM

ELEVATOR

7/32 INCH MINIMUMLL/32 INCH MAXIMUM

1 / 1 6 I N C H M I N I M U M3 / T 6 I N C H M A X I M U M



5/B INCH7/8 INCH


r/16 INCH MINIMUM3/T6INCH MAXIMUM

5ECTION A-A I .TGEAREDTAB

(t\J

f:=---, \

\ \_/ ' - r /16 lNcH MINIMUM

T g R 3 / I 6 I N C H M A X I M U M

sEcTtoN c-c

B 8 2 - l 1 3 6

T a b C l e a r a n c e s

ELEVATOR

SECTION B-B

27 - 30 -0 E leva to r ,CODE IPage 602

Control Tab, and GearedF igu re 6 0 I

HORIZONTALSTABILIZER

"l-)t( I

Lf coNTRoLTABt\ \\

\ 1 / 1 6 I N C H M I N I M U M

- - \ \ 3 /L6 lNcH MAXIMUM

ELEVATOR

Aug I / 66

O O U G L A S A I R C R A F T C O . , I N C .

DC.9M A T N T E N A N C E M A N U A T

S T A B I L I Z E R

I , B O L T

)

)

l.' (

FS---$:-_t\

KH I N G EBRAC KET

ELEVATORFRoNT SPAR r- .

L I N K S

EYEBO LT: : " - ' .txF\A{,/

..\<.4VIEW B

VIEW A

TYPICAL AT ELEVATORH I N G E S N O . 3 T H R O U G H 6

3 . B O L T

GEARED TABF I T T I N G

-1I

)aI

L

27 -30 -2CODE 1Page 40 2

B B 2 . I 0 4 B B

Aug L /66

H I N G EN 0 . 6

H I N G E } I I N G E H I N G EN 0 . 3 N 0 . 4 N 0 . 5

7 REAR SPAR

/ F t T T t N G

/ . . . ELEVATOR HYDRAULTC

/ - - - - \ - - ACTUATING CYL INDER

,/ -^. /. - -zr , \ELE'ATo*\ - /'Ol

\ \Jrr'idE rub'. z

N./,,,4. \

\

2 . N U T

D A M P E R

E LEVA TO II

vr rw CT Y P I C A L I N B O A R D A N D

O U T B O A R D E N D S O F G E A R E D I A B S

E l e v a t o r I n s t a l l a t i o nF i g u r e 4 0 l ( S h e e t f )

GEARED TABP U S H R O D

O , i ^ r - ' . | ; ^ l l Q A

MAINTENANCE MANUAT


EC.9

(ELEVATOR FOLLOWUPP U S H R O D

@@

FOLLOWUP BALANCEL l N K

TORQUE TUBEE N D F I T T I N G

ELEVATOR F ITT ING

CONTROL TABPUSHROD

VIEW A

E I evato rF igu re 401

Insta l la t ion(Sheet 2l

BB2.LI37 A

27 -30 -2CODE I

Page 40 3

\@

Aug L/ 66

P r i n i e d i n U . S . A

DOUGTAS AIRCTAFT CO., INC.

oc-s,TAAINTENANCE 'ITANUAL

(

- -.-\

\ - - -\--- -

ELEVATOR

NOTE:

SUITABLE FOR INSTALLA.TION AND GENERAL HAND-LIT{G OF LEFT OR RIGHTELEVATOR.

STOW CEt.ITER CABLE WHENUSED FOR LIFTING ELEVA.TOR.

3. ATTACH LONGEST CABLE TOINBOARD HOIST POINT.

VIEW A

REMOVE TWO SCREWSAT EACH HOIST ATTACHPOIilT AI{D ATTACHFITTING WITH AN4-10BOLTS

t .

2 .

Sl ing Ins ta l l a t ionF igure 402

BB?-e99A

2 7 - 3 0 - 2CODE I

P a g e 4 0 5Aug L/ 66

Elevator



DC.S'M A I N T E N A N C E M A N U A T

ELEVATOR

4

Klrc

4rrB

vrEw BETTVATOR H I NGT

(ryPICAU

27 -30 -2CODE 1Page 4 08

3

vtEw C

HYDRAULI CPOWER BOOST

CNINDER

El evatorF igur e

Lubr ieat ion Char t4 03 ( sheer 1 )

BB2.75C

vtEw AELEVAIOR INEOARD

HI NGE

P r i n t a r { i n l l ( A

A u g L / 6 6

VIEW AG E A R E D T A B(TYP tCAL I

€

;r


DC.9M A I N T E N A N C E M A N U A L

CONTROL TAB INBOARDHINGE (TYP ICAL)

Elevator Tabs Lubr ica t ionF igu re 40q (Shee t I )

C O N T R O L T A B

3

vtEw DTAB H INGE(TYPICAL)

27 -30 -2CODE IPage 41 0

BB2-18278

A u g l / 6 6

GEARED TAB

vtEw BGEARED TAB(TYPICAL)

vrrw C

Cha r t


DC.9AAAINTENANCE MANUAT

1 3 . C O N T R O LVALVE I . C O N T R O L C A B L E

SECTOR

2. ELEVATOR

5 . CONTROL TAB

R I G P I NHOLES (RP-4)

4 G]/32'.)I N C H E S

TAB

9 . B O L T

BB2-2LI4

A u g L / 6 6

CONTROLPU S HROD

1 5 . GEARED TABPU SHROD

27 -30 -2CODE 12

6 , J A M N U T S

1 4 . B O L T

CONTROL VALUEPU S HROD

8 . B O L T

1 0 . B O L T

T2 . FOLLOWUPBALANCEL I N K

Elevator AdjustmentF igu re 501

ELEVATORFOLLOWUPPU S HROD



DC.STMAINTENANCE MANUAT

N O T E :ALL CLEARANCES ARE FOR FAIRED( N E U T R A L } P O S I T I O N .

7 /16 INCH MINIMUM9/ I6 INCH MAXIMUM

L I / 8 I N C H M I N I M U ML 3 /8 INCH MAXIMUM

7/32 INCH MINIMUMLL/32 INCH MAXIMUM

ELEVATOR

7 /32 INCH MIN IMUM

LT/32 INCH MAXIMUM

1 / I 6 I N C H M I N I M U M3 / L 6 I N C H M A X I M U M

t lI-t

9/32 INCH MINIMUML 3 / 3 2 I N C H M A X I M U M

t r \

\ \---

9/32 INCH MINIMUML 3 / 3 2 I N C H M A X I M U M

5/8 INCH MINIMUM7/8 INCH MAXIMUM

1 / 1 6 I N C H M I N I M U M3 / T 6 I N C H M A X I M U M

GEARED TAB

1 / I 6 I N C H M I N I M U M3 / L 6 I N C H M A X I M U M

sEcnoN A-A

ELEVATOR

sEcnoN B-B

27 -30 -2CODE IPage 602

\'\ \---- r/r6 INcH

- - \ \ 3 /16 INCH

lrl(tLfcoNTRoL

E LEVATOR

sEcnoN C-CTAB

M I N I M U MMAXIMU I /

Elevator , Cont ro l Tab, and GearedTab Clearances

F igu re 6 0 l

B B 2 - t 1 3 6

HORIZONTALSTABIL IZER

P r i n t c r { i n t i S A

Aug L / 66

OOUGIAS A|RC,

oEA"" fNc'A,IA INIENANCE iE r.rUAt

\:

RIG PIN(R P-4)

HOLES

3. cor{TRoLPUSHROD

40ttLEFT ELEVATOR

aa

7. 80LT

6. Htf{cE I

/)A5. EYEBOLT

vtrw A

vfEw B-B

fns ta l l a t i on

)'\\Il -oO\

27 -30 -3CODE IPage 202

Cont ro l TabFigure 20L

t. aor-rltz(

2. CRANK FTTTII{G

LEFT CONTROL TAB

IfIJlitr-BB2-9668

Aug I / 66

4. i'lur\a

ELEVATOR

\7-lz,l6 tNcH MtNtMulr4.zi. 3/16 rrucH uAli'la"uiii

vttw A_A

ELEVATOR

CONTROL TAB

ll- i3iillil8il illyl#.jH

EIe va tor

P r i n f e d i n U . S . A



VIEW AG E A R E D T A B(TYPtCAL)

o

;r

CONTROL TAB

3GEARED TAB

vtEw BGEA RED TA B(TYPICAL}

vtEw DTAB H INGE(TYPICAL}

27 -30 -3CODE 1Page 204

CONTROL TAB I NBOARDHINGE (TYP ICAL)

Elevator Tabs Lubr ica t ionFigure 202 (Sheet 1)

BB2-t8278

A u g L / 6 6

vrsw C

D . ; ^ r 6 , { i ^ l l q A

Chart



ITIUT4 .

I . B O L T

3. QR,qrur - :

rTIilG

{ux

(LOWER SURFACE )

@\

\ - :(

o' )

I.@9

3 .

4 . N U T

CRANKFITTING

\* oo)

-/5 . EYBOLT

REMOVABLEFAIRING

21 - 3 0 -4CODE IPage 202

GEARED TAB

, .1 , BoLT

\-(.-

q)

6 , B O L T S

(./--/'a

vtEw A-A

Geared

vttw B_BTab I ns ta l la t ion

Figure 20L

8,82-9678

Aug L/ 66

EYE BOLT

f,ilfi*t8o*tELEVATOR

ELEVATOR

ARED TAB

ll ,/|r-- e/32INCH M|N|MUM

L3 /32 INCH MAXIMUM

- ELEVATOR

f L /L6 INCH MtNtMUM:. 3/16INOH MAXIMUM

VIEW AG E A R E D T A B(TYPTCAL)

o



CONTROL TAB I NBOARDHINGE (TYP ICAL)

Elevator Tab Lubr ica t ionFigure 202 (Sheet 1)

;r

vtEw DTAB H INGE(TYPICAL)

27 -30 -4CODE 1Page 204

BB2-18278

Aug L /66

GEARED TAB

vtEw BGEA RED TA B(TYPICAL}

Cha rt

a--\\,^"rH

N0, 2 Hll ' lGE

vrEw A

Elevator DamperF i gure


DC.S'MAINTENANCE MANUAT

3. MOUNTING PLATE

27 - 30 -sCODE IPage 2O2

I ns ta I l a t i on2 0 1

BB2-9688

HORIZONTALSTABILIZERREAR SPARl

\

\

A u g L / 6 6


DC-9MAINTENANCE MANUAT

ELEVATOR

VIEW A

TLEVATOR INBOARDHI NGE

VIEW B

EUVATOR H I NGE(ryPICAU

2 7 - 3 0 - BCODE IP a g e 2 0 4

vtEw C

HYDRAULI CPOWER BOOST

CYLI NDERE leva to r

F igu reLubr i ca t i on202 (Shee t

C h a r t1 )

BB2-75C

P r i n t e d i n U S . A

A u g L / 6 6

( 4 )

(s)

( 6 )


DC.9f rTAINTENANCE MANUAT

Connect e lec t r ica l connectors to t ransformer- rec t i f ie rbox and actuator . Safe ty connectors wi th lockwi re .

Close two pr imary long i tud ina l t r im c i rcu i t b reakers andthree autop i lo t and a l ternate long i tud ina l t r im c i tcu i tbreakers located on upper main circui t breaker panel.

Check al ternate longi tudinal t r im a ctuator motor (seeInspeet ion/Check) .

5 . Removal / Ins ta l la t ion Lonql tud ina l Tr im Gearbox

A. Remove Gearbox

(1) open two pr imary longi tudinal t r im circui t breakers andthree autopi lot and al ternate longi tudinal t r im circui tbreakers located on upper main circui t breaker panel.

WARNING: TAG AND SAFETY CIRCUIT BREAKER,S.

,r,43

,.t',,r',/

Hor izonta l Stab i l i zer Rest ra in ingIns ta l l a t i on

Figure 402

B B 2 - L 7 5 ? A

27 -40 -1CODE 1

Page 405

H O R I Z O N TS T A B T L I Z E

R E S T R A I NF I X T U R E

(21 Remove primaryparagraph 3) .

longi tudinal t r im aetuator motor (see

z4

@o

V E R T I C A LSTABIL IZEI

Aug L /66

O , i ^ r 6 , { i ^ | | q . A

Fix ture


DC.9M A I N T E N A N C E M A N U A T

\

I<-4i

1 t t ' I\

'r./ -<-. , /

BB?- ,;)A

27 -q0 -1CODE 1Page 408

,tt,

4:

5

vt rw AL o n g i t u d i n a l T r i m A c t u a t i n g t " l e c h a n i s m

L u b r i c a t i o n C h a r tF i g u r e 4 0 3 ( S h e e t f )

1/,A '

A C C E S SD O O R S

vrrw AHORI ZONTALSTABIL IZERHI NGE

7l l , ;,i';*'

\t{{(,r\/N:t l '\r

/ r t - r . i L / 6 6

FIXED VANE \ /tr-F -,/

/(


DC.SIM A I N T E N A N C E M A N U A L

AFT VANE

\ \S T O P

T O R S I O N B A R

TORQUE TUBE

S U P P O R T L I N K

BUMPER

W I N G F L A P

BB2-r050

FORWARD VANE

I

27 - s1 -0CODE IPage 2

AFT VANE CABLE SYSTEM

FORWARD AND AFT MOVABI.T VANES SHOWN IN EXTENDED POSITION

Flap Movable VanesFigure 1

Aug L /66

ROLLER STOP

FLAP TRACKCARRIAGE

FIXED VANE

27-s1-1CODE 1Page 402


oc-slMAINTENANCE MANUAT

FLAP BUS CABLES

CABLE PULLEYS

3 . B O L T(4 PLACES)

, / C A B L E R E T A I N E R

c

VIEW A

l ' /

NG FLAP

VANE

B B 2 - 2 7 7 A

| 4 . B o L T

WING AND F LAP SHOWN

PUSHROI)

2 . B O L T

HINGE T IP FA IR ING

vttw c-c

F lap Ins ta l l a t i onF igu re 4 0 I

vtEw

FORWARDMOVABLE VANE

5 . H I N G E B O L T(3 PLACES)

Aug L /66


oc-9MAINTENANCE MANUAT

r \"'t

vrrw BVANE TRACK ROLLER SUPPORT

27-51 -1CODE 1Page 41 0

Flaps Lubr icat ionF igu re 404 (Shee t

Char t1 )

BB2.728

A u g L / 6 6



oc-9,TIAINTENANCE MANUAT

IIIIE'DIMENSIOT{S MARKEDTHUS * APPLY TO FULLSPAITI OF VANES

SUPPORT LINK

27-s1-1CODE 1P a g e 5 0 2

EYEBOLTS

OUTBOARD END OF VANES (LOOKING INBOARD - FI.APS RETRACTED}

L7 L/8 ltL/4 ) INCH7 3/4 ftL/4 ) |NCH

BOLT

,/'FLAP\ . / , '

Y

Fl apsF i g u r e

OUTBOARD TRACK

Ad jus t ment501 (Shee t 1 )

L6 t/r6 & L/4n NCH_r7 L/4 f.tl./4'.)

INCH

* o. r z5(i$'|f!lrrucrr

INBOARD END OF VANES (LOOKING OUTBOARD - FLAPS RETRACTED)

BUMPER

6 . S T o P

BUMPER

7 . W A S H E R S

EYEBOLT

BB2-624A

2 . W A S H E R S

LAMINATED SHIMS

R O L L E RF I T T I N G


Aug L / 66

OUTBOARD TRACK

4.ADJUSTMENT NUT

TURNBUCKLES

ACCESS DOOR



Flaps AdjustmentF igure 501 (Sheet 2 l

WING FLAP

BB2-6234

27 -5L -LCODE 1

Page 503Aug L/ 66

Pr in ted in U .s .A .


DC.9MAINTENANCE I , IANUAI

3 /B INCH MIN .5 /B INCH MAX.

c0vER \.

I N C H M I N .I N C H M A X .

5/8 tNCH MtN.7 /8 tNCH MAX.

FLAP

AI LERONFAIRING

HORN

PERMISSABLE MISMATCH1/4 INCH UP OR DOWN

VIEW E-EF l a p a n d M o v a b l e V a n e C l e a r a n c e s

F i g u r e 6 0 1 ( S h e e t 1 )

W I N GT R A I L I N GE D G E

F A I R I N G

A I L E R O N

r / 2 I N C H M I N . hl3/4 INCH MAX.

\

FAIR ING FAIR ING

\

JcD

FU SE LAGE

21 -s l - 1CODE 2Page 602

B B 2 - 2 0 6 7 B

A u g L / 6 6

LIrI

FORWARD MOVABLE VANE

MOVEABLE VANE

1 lt ll l' l /t r /

' , - !rH

\-t

7 3 /4 ( tT /$ INCHES AT INBOARD END7 I /4 ITI /4 ' I INCHES AT OUTBOARD END

OOUGTAS AIRCRAFT CO. , INC,


0 . r25(+0 . t25 , -0 .063) tNcHE SAT FORWARD END0. 100(+0 . t25 , -0 .063) tNcHEsAT VANE TRAIL ING EDGE

L6 I /16 f tL/q INCHES AT OUTBOARD ENt)L7 L /8 ( * , t /4 ) tNCHES AT INBoARD END

W I N GTRAILII{GEDGE

FORWARDMOVABLEVANE

HORN

5/16 |NCH MtN7/16 INCH MAX

0 . 1 0 0 ( + 0 . t 2 5 , - 0 . 0 6 3 )I N C H E S

VftW A-A

FAIR ING

FILLET

F l a p a n d M o v a b l eF i g u r e 6 0 1

- -

//UPPER

ACE

AFTMOVABLEVANE FILLET

VltW D-D

FLAP

LAGE PANEL

r /8 INCH MINr/4 INCH MAX

FAIR ING

FILLET

i/df,* ,-r/8)

FLAPS U R F

vftw B-B vltW C-C

V a n e C l e a r a n c e(S hee t 2 l

BB2-2068

27-sL-LCODE 2

P a g e 6 0 3A u g L / 6 6

P r i n f c d i n U . S . A



F IXED VANEINBOARD

FIXED VANEC EN TER

F IXED VANEOUTBOARD

AITACHPOI NT

D I M E N S I O NA

1 3 .128 ( r 0 . 124 |2 2 .866 ( r 0 . I 13 )3 2 . 6 9 6 ( t 0 . 1 0 6 )4 2 .459 ( r 0 . 09 7 )5 2 .455 ( r 0 .097 )6 2 . )16 ( t 0 . 092 )7 2 .177 ( r0 .086 )8 2 .A t 6 ( r 0 . 092 )9 2 .075 ( t0 .082 )

IO 1 .96 I ( t 0 . 078 )l t I . 850 ( r 0 .073 )12 1 .7 47 ( t 0 . 069 )

F IXED VANEA T T A C H P O I N T S( 1 2 P L A C E S )

F L A P

3 / 8 ( + L / 8 , - r / L 6 ) t N C HC L E A R A N C E B E T W E E NV A N E A N D F I X E DS T R U C T U R E O R S P O I L E RT H R O U G H O U T F U L L F L A PT R A V E L

F IXED VANE

II\ 34'

/,l/

vtEw A( T Y P I C A L I 2 P L A C E S )

F L A P

Clearan ces6 0 2

,/

27 -5 1 -1CODE 2Page 604

F l a p F i x e d V a n eF i g u r e

B 8 2 - 1 7 9 4 B

A u g L / 6 6

,)

, MOVABLE VANE

Flap Movable VanesF igu re 401

DOUGIAS AIRCNAFT CO., INC.

oc.g,UTAINTENANCC'IIANUAI.

FORWARD MOVABLE VANE

Insta 1la t i_on(sheet 1)

3 . B O L T

5 .

2. BOLT

EYEBOLT

///

II

lo

WING FtrAP

882-257L

27 -5L-2CODE 1Page 402

D . i ^ , ^ A i ^ t l q / 1

Aug L/66

O O U G T A S A I R C R A F T C O . , I N C .


VIEW B

6 . B O L T

NUT

SUPPORT LI I {KS

CENTERLINES OF INBOARDAND OUTBOARD SUPPORTLINKS MUST BE INDEXEDTO TORQUE TUBE WITHIN20 OF EACH OTHER.

vtEw c

F lap Movab le Vanes Ins ta l l a t ionF igure 4 0 I (Shee t 2 )

BB2-2s73

27 -5L -2CODE 1

Page 403

FLAP

Aug L/ 66




L6 L/L6 (t 1/4) INCH- - - - _ _

@,DIMENSIONS MARKEDTHUS * APPLY TO FULLSPAN OF VANES

SUPPORT L INK

EYEBOLTS

ffii1;r'.bH}ff* o.lzs[1$'$.2!]rnor

OUTBOARD END OF VANES (LOOKING INBOARD - FLAPS RETRACTED)

L7 t /8 ( t1 l4 ) lNc7 3/4 $ L/4 ) rNCH SUPPORT FITTING

BUMPER

7. WASHERS

EYEBOLTI

INBOARD TRACK I- - _ _ _ l N E ' u A K u l K A t " K

-

INBOARD END OF VANES (LOOKING OUTBOARD . FLAPS RETRACTED)

BUMPER

27 -5L- 2CODE IPage 502

- \ -

F lap MovableF i g u r e

OUTBOARD TRACK

Vanes Ad j ustment501 (Shee t 1 )

BB2-624A

Aug I / 66

2 . W A S H E R S

LAMINATED SHIMS

P r i n f a d i n t l S A

DOUGTAS AINCRAFT CO. , INC.


6 . STOP

OUTBOARD TRACK

4.ADJUSTMENT NU

TURNBUCKLES

ACCESS DOOR

r v5 /8( +r /8) tNcHES

WING FLAP

Flap MovableFigure

Vanes Adj ustment501 (Sheer 2 l

BB2-623A

27 -51 -2 ,CODE 1

Page 503Aug L/66




FLAP IyIOVABLE VANES - I NSPECTT ON/CHECK

l. Inspect ion/Check Flap Movable Vanes

A. Check Vane C learances

(1 ) Wi th f l aps fu l l y re t rac ted , check tha t vane e lea rances a rea s f o l l o w s :

(a) Between lower sur face of wing t ra i l ing edge and uppers u r f a c e o f f o r w a r d m o v a b l e v a n e , 0 . 1 0 0 ( + 0 . L 2 5 , - 0 . 0 6 3 )

i n c h .

Between lower surface of forward movable vane trai l ingedge and upper sur face o f a f t movable vane, 0 .100(+0 . t . 25 , - 0 .063 ) i nch .

Between lower surface of af t movable vane and uppersu r f ace o f f l ap , 0 .125 (+0 .L25 , - 0 .063 ) i nch a t f o rwa rdend , dec reas ing t o 0 .100 (+0 . L25 , - 0 .063 ) i nch a t vanet ra i l i ng edge .

16 L/L6 ( ! I /4) INCHES AT OUTBOARD END

L7 L/8 ( TL/4) INCHES AT INBOARD END

WING

FORWARDMOVABLEVANE

AFTMOVABLEVANE

(b)

(c)

0 . 1 0 0 ( t 0 . L 2 5 , - 0 . 0 6 3 )INC HES

SECIION

Movab le Vane C learancesF i g u r e 6 0 I

0 . r 25 ( +0 . 125 , -0 .0 63 ) lNc HESAT FORWARD END

0 . 1 0 0 ( + 0 . 1 2 5 , - 0 . 0 6 3 ) l N c H E sAT VANE TRAIL ING EDGE

A-AB B 2 - 2 r 0 9

27 -5L -2CODE 1

Page 601Aug L /66

P r i n t e d I n U . S . A .


DC.gTMAINTENANCE lrtANUAt

,/YllW A-A

NOTATED 18OO}

YIEW C-C

27-51-3CODE IPage 202

PATCHt{0TE: BOI{D METAL PATCHESTO VAI{E 8 PLACES

WASHERS,4 UI I IDERT{UT AND 4 UNDERCLEVIS O{ORMAL)SEE NOTE 2

VIEW D

F lap F i xed Vane fns taL la t i onF igu re 2 01

NOTE:

1. ADJUST VANE TO WIiIG CLEARAT{CEBY PLACEMEI{T OF WASHERS.

2. ADJUST VAiIE TO WIT{G CLEARAfTCEBY ADDING (OR REMOVII{G) WASHERSFROM UNDER CLEVIS. AN EQUALAMOUNT OF WASHERS MUST BE RE-MOVED (OR AODED) UNDER I{UT.

BB2- t958

WASHERS, I MIN|MUM,5 MO(IMUM (SEE NOTE T)

WASHERS, 1 MINIMUM,5 MAXIMUM (SEE I{OTE 1)

WASHERS, 2 Mil t i lMUM,5 MAXIMUM (SEE NOTE I )

Aug L /66

DOUGTAS AIRCIAFT CO., INC.

DC.g'AAAINTENANCE 'VIANUAL

tt-4

F IXED VANEA T T A C H P O I N T S( i 2 P L A C E S )

FIXED VANEC E N T E R

F L A P

3/B (+L /8 , - r /L6) INCHCLEARANCE BETWEENVANE AND FIXEDS T R U C T U R E O R S P O I L E RTHROUGHOUT FULL F I -APTRAVEL

. - - -a.- '-,

VIEW A( T Y P I C A L T 2 P L A C E S )

FIXED VANEOUTBOARD

FLAP

FIXED VANE

34'

)

Flap Fixed VaneFigure

C learances2 0 2

B B 2 - 1 7 9 4 8

27-s1-3CODE I

Page 2O3

ATTACHPOI NT

DIMENSIONA

I 3.129 ( r0 .724 |2 2 .966 ( *0 .113 )3 2 ,686 ( t 0 . 106 I4 2.459 t r0 .097 )5 2 .455 ( r 0 .097 )6 2.316 ( r0 .092 )7 2 .177 ( t0 .086 )8 2.476 ( r0 .092)I 2 .075 (10 .082 )

l 0 I . 961 ( r 0 .078 )t t 1.850 ( r0 .073 )12 1 .7 47 ( t 0 . 069 )

Aug L/ 66

Printed in U.S.A.

WING


DC.9MAINTENANCE iAANUAL

FLAP

2

Car r i ageF igu re 402

vtrw BVANE TRACK ROLLER SUPPORT

vrEw ACARRIAGE

27-51-sCODE IP a g e 4 0 4

Lubr i ca t i on Char t(Shee t 1 )

BB2-7') 3

A u q I / 6 6

F lap T rack

Pr in ted in U .S .A



HINGEBRACKET

PISTON ROD

ATTACH BOLT

JA MNU T

FLAP FOLLOWU PCABLES

F L A P C O N T R O LCABLE S

BUS CABLES H R O U D S

F L A P B U ST U R N B U C K L E

vtEw

A d j u s t m e n t

S T O P B O L T

\MvPU S HROD

FI-APU P P E RSURFAC E

vtEw

vtEw A

FI LLET

v f E w B

B L O C K \

D

F L A P B U ST U R N B U C K L E

B B 2 - I 0 4 9 8

21 -52 -0CODE 2

Page 20 3

F l a p A c t u a t i n g C y l i n d e rF i g u r e 2 0 1

1t'Vlul-Ilii

tD

STOP BOLT

FLAP TRACK

o'

0

Aug I / 66

F r i n t e d i n L l 5 A

AFT HII{GE PIN

ATTACH PIN

TRUI{l'll0N


DC.g'MAINTENANCE MANUAI

IDLER LINK

FLIGHT SPOILERACTUATOR

- /

( (

CAM

@

0.343 t t O.OrS) tNCH--+ll*

VALVE Lt]iIK

REACTIOI{ BOLT

TORSION BAR

ALIGNMET{T GROOVE

vrEw B

DRIVE LIIIK

PUSHROD

BB2- t0 I7C

27- 6L- 2CODE 1

Page 40 3

HYDRAULICLlt{Es

HYDRAULIC FITTII{GS

vrrw A

Fl ight Spoi. ler Actuator Instal lat ionFigure 401

o)

I

? - /.- -/

Y9

ffi'^

REACTION LEVER

Aug L/ 66

Prtnled in U.S.A.


DC.9AAAINTENANCE MANUAT

R O L L E R

HERME TICSWITCH

ELECTRICALCONNECTOR

SCREWB PLACES)

\ , 2 \ IYe) t

,r%

27 -62 -6CODE IPage 202

WASHER

vtrw A

Ground Spoi le r Takeof f Warn ing Swi tchIns ta l l a t i on

F igu re 20L

BB2-2030


A u g L / 6 6

DOUGI .AS AIRCRAFT CO. , INC.

DC.9MAINTENANCE MANUAL

F R O N T S P A R

LEADI[ iG EDGE

L E A D I N G E D G ES LAT D RIVE

HYD RAUL ICC Y L I N D E R S

I C E P R O T E C T I O NT E L E S C O P I N G D U C T

27 -80 -0CODE 1Page 2

LEADING EDGES LATS

ICE PROTECTIOND U C T

L i f t A u g r n e n t i n g W i n g S l a t S y s t e mF i g u r e 1

BB2-2962

Aug L / 66



DE.SIMAINTENANCE MANUAT

4. BOLTS

ID LER TRACK

RETAINERS

IDLER TRACK

VIEW A

vltw D

3 . P I N S

5. BOLT

v| lw B

BO LTStuWASHER

ADJUSTMENTB U S H I N G S

VIEW E

S l a t - t o - T r a c k A t t a c hF i g u r e 4 0 1

27 -80 -1CODE IPage 402

882-3008

Aug L / 66

I

Ha r dwa re

+'+.- L/2 ft L/Ld INCH( TYPTCAL )



MAX. MISMATCH BETWEEN SI .ATS0 . 0 1 5 I N C H R E T R A C T E DO "062 INCH EXTENDED( ENT IRE PERIPHERY )

ADJUSTABLE STOP( EXTENDED )

AA

) /4ftt/8 ,-l/32) tNCH/

/

,/ -.-'tt-

-c:13 V/

/F IXED WING

vtrw c-c Vl lW A-

, - t /L6)

BB2-3028

27 -80 - tCODE I

Page t {03

/8

DIXEING

4 ( +CH

J

\Ft)wl l

I

\J

A

7 . R I G G I N GSPACER(0. r88 lNcH)

TRACK DOOR

A u g L / 6 6

1 0 . 0 .0 T0 0 .045 i l rcH,MAXIMUM

\.

12. BOLT

W i n g S I a t C l e a r a n c e sF i g u r e q 0 2

\ 13. LATCH F|TT|NG--...-.--

0 . 0 6 2 - 0 . 1 2 5

1 I . F I X E D S T O P


f n s t a l l a t i o n


DC.gIMAINTENANCE AAANUAT

8. CRAi lK r . B O L T

3 . R O D E N D

7 . J A M N U T

7 . JAMNUTr. BOLT

4. ROD El{D

10 . sToP

2. ACTUATINGCYLIt IDER

5 . D R U M 9 . S T O P B O L T

6. GUARD PIN

vEw A

Wing S la t Dr ive t " lechanism Ad justmentF i g u r e 5 0 2

BB2-30 10

27 -80 -2CODE 1

Page 50 3

NACTUATINGCYLINDER

Aug V66

Pr in tad in U.S.A.


DC-gMAINTENANCE MANUAT

B ) T U R N B U C K L E

(?_)TURNBUCKLE

( B ) T U R N B U C K L E

RETRACT

( 4 ) T U R N B U C K L E

s r.-AT N0. 2


RETRACT

vtEw c

S LAT NO. 3

RETRACT

s ] -AT N0 . 5

z

EXTEND

( I ) T U R N B U C K L E

SI -AT NO. 1


SLAT NO.


?)RETRACT

S L A T N O . 3 ADJUS TA BLEBRACKET

RETRACT

2 ' t - 80 -2CODE IPage 504

BWing

BB 2-3 00 9

A u g L / 6 6

S l a t C a b l e S y s t e mF i g u r e 5 0 3

E X T E N D

EXTEND


E X T E N D

E X T E N D

t&

vr twAd j ust rnent

dc9 - control surfaces om

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