(h)  
Remove the bolt (5) that connects the support rods (4) from the lower inboard side of the left programmer.

 (i)  
Remove the bolts (15) that attach the left programmer (18) to the rigging beam of the wheel well.

 (j)  
Remove the programmer.

 (k)  
Remove the force limiter (1) from the left wheel well.

 TASK 27-11-26-404-010
 3. Aileron Force Limiter Installation
__________________________________
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400
MAINTENANCE MANUAL

 A. Parts ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 1 | Force Limiter | 27-11-55 | 01 | 130 | | | 2 | Bolt | 27-11-08 | 01 | 75 | | | 3 | Collar | | | 80 | | | 5 | Bolt | | | 150 | | | 6 | Washer | | | 155 | | | 7 | Nut | | | 160 | | | 8 | Bushing | | | 165 | | | 15 | Bolt | 27-11-10 | 01 | 20 | | | 16 | Washer | | | 30 | | | 17 | Nut | | | 40 | | | 18 | Aileron Programmer (LH) | 27-11-08 | 01 | 520 | | | 19 | Bolt | 27-11-10 | 01 | 55 | | | 20 | Washer | | | 60 | | | 21 | Nut | | | 65 | | | 22 | Aileron Programmer (RH) | 27-11-08 | 01 | 525 | | | 24 | Bolt | 27-11-55 | 01 | 105 | | | 25 | Washer | | | 110 | | | 26 | Nut | | | 115 | | | 27 | Bushing | | | 125 | | | 28 | Pin | | | 120 | 2......…........…...................................…...........….....…........1
 B. References
 (1)
24-22-00/201, Manual Control

 (2)
29-11-00/201, Main Hydraulic Supply System

 (3)
32-00-30/201, Landing Gear Door Locks

 C.
Access

 (1)  
Location Zone
 135 Wing Landing Gear Well, LH
 136 Wing Landing Gear Well, RH

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400 MAINTENANCE MANUAL
 D. Procedure
 S 424-011
 (1)  
Install the aileron force limiter (Fig. 401):

 (a)  
Set the aileron force limiter (1) into its position (Fig. 401).

 (b)  
Set the left aileron programmer (18) into its position.

 (c)  
Install the bolts (15), washers (16) and nuts (17).

 (d)  
Connect the support rods (4) to the lower inboard side of the left programmer with a bolt (5), washer (6), bushing (8), and nut (7).

 S 864-012
 (2)  
Do this task: "Hydraulic System Pressurization with a Hydraulic Service Cart" (Ref 29-11-00/201).

 S 434-013

 (3)  
Connect the input control rod (14) to the programmer input crank (9) with a bolt (2) and collar (3).

 (a)  
Adjust the input control rod until you can easily install rig pin A/S-6.

 (b)  
Install rig pin A/S-6.

 (c)  
Make sure you can easily install rig pin A/S-7.

 (d)  
Install rig pin A/S-7.

 S 424-014
 (4)  
Install the force limiter rod (23) with the bolts (24), nuts (26), washers (25), bushings (27), and cotter pins (28).

 (a)  
If it is necessary, adjust the rod length with vernier adjustment.

 (b)  
Make sure the vernier adjustment rod end (29) and sleeve (30) dimensions are not out of tolerance (Fig. 401).

 (c)  
Tighten the checknuts.

 (d)  
Install the lockwire.

 (5)  
Adjust the aileron trim system:

 S 834-015
 NOTE: The airplane temperature must be stable (use a tolerance of
____ +/- 5 degrees) for a minimum of 1 hour before the system adjustment. The cable tension values will not be correct if there are temperature differences along the cable run.
　
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