757 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 2(50)

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 (19.3 +/- 2.0 newtons). If adjustment is necessary, make sure the tangential load at the top cable gaurd pin does not change.
 NOTE: Make sure rig pin R3 is held lightly by the rig pin
____ holes when you measure the force.
 (c)  
Remove rig pin R3.

 (d)  
Connect the force gage to the top cable guard pin and do these steps: 1) Use the force gage to turn the quadrant to its full

 clockwise position. 2) Make sure the tangential load is 46.40 |5.0 pounds
 (206.4 +/- 22.2 newtons).
 (e)  Connect the force gage to the bottom cable guard and do these steps: 1) Use the force gage to turn the quadrant to its full
 counterclockwise position. 2) Make sure the tangential load is 46.40 |5.0 pounds
 (206.4 +/- 22.2 newtons).
 S 432-024
 (7)  
Connect these components:

 (a)  
The control rods from the ratio changer (2 locations)

 (b)  
The control rods from the rollout guidance servos
 (3 locations).

 (8)  
Install rig pin R2 in the left forward quadrant.

 S 822-026

 (9)  
Connect cables RA and RB to the aft quadrant and do these steps:

 (a)  
Operate the rudder trim switch on the P8 panel and install this rig pin: 1) R3 (for the feel, centering, and trim mechanism)

 (b)  
Adjust the cable tension to the value shown (Fig. 203) and do these checks: 1) Make sure that rig pins R2 and R3 can move freely in their

 S 492-025
 holes.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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A

757 MAINTENANCE MANUAL
 2) Remove rig pins R2 and R3.
 3) Operate the rudder pedals through one full travel cycle.
 4) Make sure the cable tension is correct (Fig. 203).

 (c)  Install clip locks on the turnbuckles.
 S 822-027
 (10)
 Do the adjustment procedure for the rudder trim indicator
 (Ref 27-21-00).

 S 822-028

 (11)
 Do the adjustment procedure for the autopilot servos (Ref 27-21-00).

 G.  
Install Feel, Centering, and Trim Mechanism to the Aft Quadrant Assembly (Fig. 202)

 S 432-044
 (1)  
Do these steps to connect the feel centering, and trim mechanism to the trim actuator:

 (a)  
Align the feel, centering, and trim mechanism with the actuator connection point.

 (b)  
Install the bolt assembly and the bushings.

 (c)  
Install the inner nut and tighten it to 50-60 pound-inches (222-266 newtons).

 (d)  
Install the outer nut and tighten it to 10 pound-inches (1.3 newton-meters).

 NOTE: Do not change the torque value for the inner nut.
____
 S 432-029
 (2)  
Do these steps to connect the spring arm assembly to the torque tube cam:

 (a)  
Align the spring arm assembly with the cam plate connection point.

 (b)  
Install the bolt assembly and the retainer through the spring arm assembly and the torque tube cam.

 (c)  
Install the retainer and the inner nut. Tighten it to 50-60 pound-inches.

 (d)  
Install the outer nut and tighten it to 10 pound-inches

 (1.3 newtons).
 NOTE: Do not change the torque value for the inner nut.
____
 S 432-045
 (3)  Install the two feel and centering springs and tighten the eyebolt nuts.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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A
757 MAINTENANCE MANUAL
 H. Install the Rudder Trim Actuator (Fig. 201)
 S 432-030
 (1)
Do these steps to connect the trim actuator to its support bracket:

 (a)  
Align the actuator with the support bracket and the spring arm. Do this check: 1) Make sure the anti-rotation clevis for the actuator is
　
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