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 TASK 27-11-14-422-022
 3.  Feel, Centering, and Trim Mechanism and Its Components - Installation_____________________________________________________________________
 A. General
 (1)  This task contains two procedures, one to install the feel, centering, and trim mechanism, and one to install the trim actuator. Because this task contains two procedures, do only the applicable groups of steps.
 To start one of these procedures, do the group of steps that is necessary to install the component. Then, do the "Put the Airplane Back to Its Usual Condition" group of steps.
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 27-11-14
 ALL  ú ú 01 Page 206 ú May 20/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 B. Equipment
 (1)  
Rig Pins from Set B20003-XX (Ref 20-10-24/201):

 (a)  
A1 - P/N B20003-27

 (b)  
A2 - P/N B20003-25

 (c)  
A3 - P/N B20003-23

 (2)  
Control Wheel Rigging Beam - B27049-1

 (3)  
Cable Tensiometer - Commercially Available

 (4)  
Control Wheel Adapter Equipment -A27021-97 or -98

 C.
Consumable Materials

 (1)  
C00259, Primer - BMS 10-11

 D.
References

 (1)  
06-44-00/201, Wing Access Doors and Panels

 (2)  
20-10-24/201, Rig Pins

 (3)  
22-13-03/401, Autopilot Lateral Control Servo

 (4)  
24-22-00/201, Electrical Power - Control

 (5)  
27-11-00/501, Aileron and Aileron Trim Control System

 (6)  
29-11-00/201, Main (Left, Right, and Center) Hydraulic Systems

 (7)  
32-00-15/201, Landing Gear Door Locks

 E.
Access

 (1)  
Location Zones
 143/144 MLG Wheel Well
 561 Rear Spar to Trailing Edge

 (2)  
Access Panels
 561AB Aileron Quadrant

 F.
Lateral Trim Actuator - Installation (Fig. 201)

 S 432-024
 (1)  
Put the actuator on the support box with the drain holes down and do this step:

 (a)  
Install the bolt, bushing, nut, and the nut retainer.

 (2)
Install rig pin A1 (for the feel, centering, and trim mechanism).

 (3)  
Connect the electrical connector to the trim actuator.

 S 492-025
 S 432-026
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-11-14
 ALL  ú ú 04 Page 207 ú Sep 20/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 862-069
 (4)  
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P11 panel:

 (a)  
11J15, AILERON TRIM

 S 432-002
 (5)
Do these steps to connect the trim actuator to the actuator link:

 (a)  
Operate the aileron trim switches until you can easily install the bolt that connects the actuator clevis to the actuator link.

 (b)  
Install the bolt, washer, and nut that connects the actuator to the actuator link.

 S 092-027
 (6)  
Remove rig pin A1.

 S 212-028

 (7)  
Do these steps to do a check of the lateral trim actuator:

 (a)  
Move the aileron trim switches to LEFT WING DOWN and do this check: 1) Make sure the control wheels turn counterclockwise.

 (b)  
Move the aileron trim switches to RIGHT WING DOWN and do this check: 1) Make sure the control wheels turn clockwise.

 G.
Feel, Centering, and Trim Mechanism - Installation (Fig. 201)

 S 372-072
 (1)  
Apply the primer to the surface of the aft bearing that mates with the bracket.

 S 822-029

 (2)  
While the primer is wet, put the feel, centering, and trim mechanism in its correct position in the left wheel well.

 S 432-030
　
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