757 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 2(15)

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 b)  If the rudder is more than 0.05 inch (1.27 mm) away from its neutral position, do the "Bottom PCA -Adjustment" group of steps again (above).
 6)  Move the FLT CONTROL SHUTOFF C switch on the P61 panel to OFF. Make sure the switch position light is ON.
 7)  Move the FLT CONTROL SHUTOFF R switch on the P61 panel to ON and do these steps: a) Make sure the rudder is no more than 0.05 inch
 (1.27 mm) away from its neutral position.
 b)  If the rudder is more than 0.05 inch (1.27 mm) away from its neutral position, do the "Top PCA -Adjustment" group of steps again (above).
 8)  Move the FLT CONTROL SHUTOFF L and C switches on the P61 panel to ON.
 NOTE: All three hydraulic systems are pressurized.
____
 (f)  
Remove rig pin R3.

 (g)  
Move the rudder pedals through their full travel range 5 times and do these steps:

 NOTE: Release the right rudder pedal last on the last cycle.
____
 1)  Make sure the rudder is no more than 0.15 inch (3.81 mm) away from the mark on the tail cone index plate (use the left side of the rudder trailing edge). If the rudder position is not correct do the rudder PCA adjustment procedure again.
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MAINTENANCE MANUAL

 2)  Put tape on the tail cone index plate and make a mark of the rudder position (use the left side of the rudder trailing edge).
 NOTE: This mark is the "low speed" position for the rudder
____ ratio changer actuator.
 3)  Move the left RRCM test switch to TEST.
 NOTE: This puts the ratio changer actuator in its "high
____
 speed" position.

 4)  Make a mark of the rudder position and do this step (use the left side of the rudder trailing edge):
 NOTE: This mark is the "high speed" position for the ratio
____ changer actuator.
 a)  If the two marks are more than 0.05 inch (1.27 mm) apart, do the full "Rudder Ratio Changer Mechanism and Rudder PCAs - Adjustment" procedure again.
 5)  Move the test switches on the left and right RRCMs to NORMAL. Stop for 30 seconds and do this check:
 NOTE: This puts the ratio changer actuator in its "low
____
 speed" position.

 a)  Make sure the rudder trailing edge is no more than 0.05 inch away from the "high speed" mark on the tail cone tape.
 (h)  
Move the yaw damper switches on the P5 overhead panel to their ON positions.

 (i)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel: 1) 11A18, YAW DAMPER LEFT 2) 11F34, YAW DAMPER RIGHT

 N.  
Autopilot Rollout Guidance Servo - Adjustment

 S 825-124
 (1)  
Do the adjustment procedure for the autopilot rollout guidance servos (AMM 22-13-01/401).

 O.  
Rudder Position Transmitter - Adjustment

 S 825-125
 (1)  
Do the adjustment procedure for the rudder position transmitter (AMM 27-28-00/501).

 P.  
Rudder Trim Indicator - Adjustment (Fig. 508)

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MAINTENANCE MANUAL

 S 865-012

 WARNING:_______ KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
 HYDRAULIC POWER IS SUPPLIED.  AILERONS, ELEVATORS, RUDDER,
 FLAPS, SLATS, SPOILERS, AND STABILIZER ARE FULLY POWERED
 SURFACES.  INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR

 WHEN HYDRAULIC POWER IS SUPPLIED.
 (1)  
Supply pressure to the left, right, and center hydraulic systems (AMM 29-11-00/201).

 S 865-126

 (2)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:

 (a)  
　
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