757 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 4(25)

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 (3)  S 865-511Put the captain's control column in the center position.
 (4)  S 865-512Install rig pin E/ST6 (Fig. 504).
 (5)  S 765-513Make sure that all eight cutoff switches have continuity (Table 1, Fig. 504).
 (6)  S 825-514If a switch does not have continuity, do the steps that follow to adjust the switch: (a) Adjust the stop bolt to move the switch actuating bolt in the direction of the switch until the switch has continuity. (b) Tighten the jamnut (Do not adjust the switch actuating bolt). (c) Remove rig pin E/ST6.
 (7)  S 865-515Hold the captain's control column 2.2 to 2.7 degrees aft of the center position.
 (8)  S 765-516Make sure that all four forward switches do not have continuity (Table 1, Fig. 504).
 (9)  S 825-517If a forward switch has continuity, do the steps that follow to adjust the switch: (a) Make sure that the stop bolt for that switch does not touch the stop.

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MAINTENANCE MANUAL

 (b)  
Adjust the switch actuating bolt away from the switch until the switch does not have continuity.

 (c)  
Tighten the jamnut.

 S 865-518
 (10)
 Hold the captain's control column 3.5 to 4.0 degrees forward of the center position.

 S 765-519

 (11)
 Make sure that all four aft switches do not have continuity (Table 1, Fig. 504).

 S 825-520

 (12)
 If an aft switch has continuity, do the steps that follow to adjust the switch:

 (a)  
Make sure that the stop bolt for that switch does not touch the stop.

 (b)  
Adjust the switch actuating bolt away from the switch until the switch does not have continuity.

 (c)  
Tighten the jamnuts.

 (d)  
Do the above checks and adjustments until the switches have the necessary continuity (Table 1, Fig. 504).

 L.
Put the Airplane Back to its Usual Condition

 S 865-521
 (1)  
Remove electrical power (Ref 24-22-00).

 S 415-522

 (2)
Close the forward stabilizer compartment access door 311AL.

 TASK 27-41-00-735-468
 5. Horizontal Stabilizer Trim Control System - System Test
_______________________________________________________
 A. General
 (1)  This task contains the instruction for a full System Test of the Horizontal Stabilizer Trim Control System, which contains these topics:
 -Stabilizer Trim Electrical Operation
 -Alternate-Electrical Operation
 -Electrical Travel Limits
 -Alternate-Electric Travel Limits
 -Stabilizer Trim Cutoff Switch
 -
Manual Operation and Mechanical Travel Limits

 -
Manual Override Lever Travel

 -
Manual Override Lever Force

 -
Manual Override Operation

 -Alternate-Electric Trim Authority
 -Stabilizer Trim Rate
 -Secondary Brake Reaction Torque
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 (2)  
To make sure the horizontal stabilizer trim control system operates correctly, it is necessary to complete all the test procedures in this task.

 B.
Equipment

 (1)  
Control Wheel Adapter Equipment -A27021-97 or -98

 (2)  
Control Wheel Protractor Kit - A27021-29

 (3)  
Push/Pull Gage, 0 to 15 lb. range -Commercially Available

 (4)  
Gage Assembly - B27039-2 (Part of Elevator and Stabilizer Rigging Equipment, B27039-1)

 (5)  
Elastic Cord - Commercially Available

 C.
References

 (1)  
06-42-00/201, Empennage Access Doors and Panels

 (2)  
24-22-00/201, Electrical Power-Control
　
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