757
MAINTENANCE MANUAL

OUTBOARD  CENTER  INBOARD 
LINKAGE  LINKAGE  LINKAGE 
SEE  D  SEE  C  SEE  B 

ELEVATOR PCAs SEE A INBD
ELEVATOR PCAs (LEFT SIDE IS SHOWN, RIGHT SIDE IS EQUIVALENT)
A
SUPPORT  A 
BRACKET 
SWING LINK  C 
ASSEMBLY 
INTERCONNECT  SUPPORT 
RODS  BRACKET 

SWING LINK ASSEMBLY
CRANK
ASSEMBLY
PCA INPUT
A  INTERCONNECT
ROD RODS
POGO CRANK ROD ASSEMBLY
C
CENTERING POGO SPRING ROD
B
SUPPORT
INBOARD LINKAGE
BRACKET
(LEFT SIDE ONLY)
SUPPORT
BRACKET  SWING LINK
B
ASSEMBLY
OUTBOARD LINKAGE INTERCONNECT (LEFT SIDE IS SHOWN,RODS RIGHT INBOARD AND OUTBOARD
INTERCONNECT
ARE EQUIVALENT)
RODS CRANK D POGO B ASSEMBLY ROD
CENTERING SPRING
CENTER LINKAGE (LEFT SIDE IS SHOWN, RIGHT SIDE IS EQUIVALENT)
C
PCA Input Linkage Installation Figure 401 (Sheet 1)
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A

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MAINTENANCE MANUAL

BUSHING  BUSHING 
BEARING 
BEARING  SWING LINK ASSEMBLY 
BUSHING 
CRANK ASSEMBLY 
BUSHING 
A-A UP  ROD INTERCONNECT 
BEARING 
BUSHING  SWING LINK ASSEMBLY  BEARING  SWING LINK ASSEMBLY 
CRANK ASSEMBLY  CRANK ASSEMBLY 
BEARING 
UP  UP 
B-B  INTERCONNECT ROD Figure 401 (Sheet 2) PCA Input Linkage Installation C-C  INTERCONNECT ROD 

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A

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MAINTENANCE MANUAL

PCA 
ASEE PCA LOCK ASSEMBLY 1  (REF) LINK 
PCA  A  PCA 

LOCK ASSEMBLY
A A-A
PCA LOCK ASSEMBLY (PCA EXTENDED) 1
THE PCA LOCK ASSEMBLY
CAN BE INSTALLED ON A
THE INBOARD, CENTER,
OR OUTBOARD PCA

PCA Lock Assembly Figure 402
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A
757
MAINTENANCE MANUAL

 S 494-007
 (6)  Attach DO-NOT-OPERATE tags on the control columns.
 S 864-008
 (7)  Put the L, R, and C FLT CONTROL SHUTOFF switches on the right side panel, P61, to the OFF position.
 S 864-009
 (8)  Put the RIGHT and CENTER STAB TRIM SHUTOFF valve switches on the control stand panel, P10, to the CUTOFF position.
 S 864-010
 (9)  Open these circuit breakers on the overhead panel, P11, and attach DO-NOT-CLOSE tags: (a) 11B19, STAB TRIM ALT (INSTALLED) (b) 11C12, STAB TRIM SHUTOFF RIGHT (c) 11C13, STAB TRIM SHUTOFF LEFT (d) 11H11 or 11C05, STAB TRIM CONT L (e) 11H17, FLT CONT SHUTOFF TAIL LEFT (f) 11H18, FLT CONT SHUTOFF TAIL CTR (g) 11H20, STAB TRIM CONT R (h) 11H28, FLT CONT SHUTOFF TAIL RIGHT (i) 11J10, PCU MON SENSOR (j) 11J11, PCU MON MOD
 S 014-011

 (10)
 Open the access panel for the elevator PCAs, 335DB (left elevator PCAs) or 345DB (right elevator PCAs) (Ref 06-42-00).

 S 034-012

 (11)
 Remove the seal panel and the trailing edge beam that is aft of the access panel that you removed.

 S 494-013
 WARNING: INSTALL THE PCA LOCK ASSEMBLY BEFORE YOU REMOVE OR INSTALL
_______ THE PCA INPUT LINKAGE. MAKE SURE THE CONTROL COLUMNS ARE IN THE FULL AFT POSITION WITH DO-NOT-OPERATE TAGS ATTACHED TO THEM BEFORE YOU INSTALL THE PCA LOCK ASSEMBLY. INJURY TO PERSONS OR DAMAGE TO THE ELEVATOR CAN OCCUR.
　
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