CONTROL RODS/ POGOS
RUDDER PEDAL HOUSING
C
2
1
1 RIG PIN HOLE R1A (LEFT) R1B (RIGHT)
BOLT WASHER NUT
RUDDER PEDAL
(2 LOCATIONS) CONTROL RODS
INBD
FWD
CAPTAIN'S RUDDER ASSEMBLY
1
AIRPLANES WITH SOLID CONTROL RODS
D
2
AIRPLANES WITH COMPRESSIBLE CONTROL RODS/POGOS
Rudder Jackshaft and Forward Quadrant
Figure 401 (Sheet 2)

H51980
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A

757
MAINTENANCE MANUAL

CABLE RB
FORWARD QUADRANT
BUS ROD
RETAINING NUT
JACKSHAFT YOKES
RUDDER PEDAL SEE FPUSHRODS
CONTROL ROD 
FWD  (TO RUDDER PEDAL STEERING 
INTERCONNECT MECHANISM) 
RUDDER PEDAL  SLEEVE  INTERCONNECT 
ADJUSTMENT  CRANK 
CABLE 
JACKSHAFT AND FORWARD QUADRANT 
BOLT  E 
WASHER 

BOLTBUSHING WASHERWASHER WASHERNUT NUT(2 LOCATIONS) JACKSHAFT
RUDDER PEDAL
YOKES PUSHRODS
BUS ROD
INTERCONNECT CRANK
BOTTOM BEARING HOUSING CONTROL ROD
BOLT FWDBOLT WASHER
WASHER NUT NUT
NUT WASHER
(8 LOCATIONS, (4 LOCATIONS)
TOP AND BOTTOM BEARING HOUSINGS) JACKSHAFT YOKES
F

Rudder Jackshaft and Forward Quadrant
Figure 401 (Sheet 3)

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757 MAINTENANCE MANUAL
NOSE GEAR TOWING LEVER LOCKPIN HOLES 1
TOWING LEVER
RIG PIN HOLE R3
1  MOVE THE TOWING LEVER COUNTERCLOCKWISE, THEN ALIGN THE LOCKPIN HOLES
FEEL, CENTERING AND
AND INSTALL THE LOCKPIN
TRIM MECHANISMNOSE GEAR STEERING COMPONENTS
|10 LBS180
160
NOM RIG = 150 LBS
140

120
RIG LOAD - LBS
100
80
60
40
20
0
70` AMBIENT
-40-20 0 20 40 60 80100 AMBIENT TEMP - `F
CABLE RIG LOAD VS TEMPERATURE
Rig Pin Locations and Cable Rig Load vs. Temperature Graph

Figure 402

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A

757 MAINTENANCE MANUAL
 S 014-014
 (6)  
Open access panel 324AL to get access to the feel, centering, and trim mechanism (Ref 06-42-00).

 E.
Remove Rudder Jackshaft and Forward Quadrant

 S 014-001
 WARNING: STAY OFF THE SERVICE ACCESS DOOR, 311AL, AND THE ACCESS DOOR
_______ FOR THE CONTROLS BAY, 313AL. YOUR WEIGHT CAN CAUSE THE SPRING-LOADED LATCHES TO RELEASE. IF YOU FALL THROUGH THE DOOR, INJURY CAN OCCUR.
 (1)  
Open access door 311AL to get access to the turnbuckles for cables RA and RB (Ref 06-42-00).

 S 824-015

 (2)  
Equally decrease the tension in cables RA and RB at the turnbuckles that are located aft of the pressure bulkhead (Ref 27-00-01).

 S 034-002
 CAUTION:_______KEEP SOME TENSION IN THE CONTROL CABLES AT ALL TIMES. IF THE TENSION IS REMOVED, THE CABLES CAN BECOME INCORRECTLY ALIGNED AND OPERATE INCORRECTLY. A FULL INSPECTION OF THE CONTROL CABLE SYSTEM MUST BE DONE IF THE TENSION IS REMOVED.
 (3)  
Disconnect cables RA and RB from the rudder forward quadrants. Keep some tension in the cables and tag them for identification.

 S 034-053

 (4)  
Loosen the retaining nut for the pedal adjustment cable. Hold the nut and washer, then remove the cable from the jackshaft and its support structure.

 (5)  
Disconnect the bus rod assembly from the jackshaft.

 S 034-017
　
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