S 026-003
 (1)  
Do this task: "Aileron Control Wheel Drum Removal" (Ref 27-11-51/401).

 S 226-002

 (2)  
Do a check of the aileron control wheel drum (Fig. 601):

 (a)  
Remove the parts to be measured.

 (b)  
Measure the dimensions of these parts.

 (c)  
Compare the part dimensions to the limit dimensions.

 (d)  
If the part dimension is out of tolerance, replace the part.

 (e)  
Install all the parts removed to do the inspection.

 S 426-004
 (3)  Do this task: "Aileron Control Wheel Drum Installation" (Ref 27-11-51/401).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500
MAINTENANCE MANUAL

CAPTAIN'S CONTROL COLUMN
A
BUS DRUM
AILERON DRUM
A
FWD INBD
AILERON FORCE LIMITER
Aileron Control Wheel Drum Wear Limits
Figure 601 (Sheet 1)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
4. SHAFT/BOLT

A-A

Aileron Control Wheel Drum Wear Limits
Figure 601 (Sheet 2)

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A 737-300/400/500MAINTENANCE MANUAL
INDEX NO.  PART NAME  DIM.  DESIGN LIMITS  WEAR LIMITS  REPLACE WORN PART  REPAIR WORN PART  REPAIR INSTR 
DIAMETER  DIM. WEAR MITTED PER- DIA MAX CLEAR-ANCE
MIN  MAX 
1  FORK  ID  0.7498  0.7503  0.7503  0.0008 X 
BEARING  OD  0.7495  0.7500  0.7495  1 
2  BEARING  ID  0.2495  0.2500  0.2500  0.0019 1 
BOLT  OD  0.2485  0.2495  0.2481  X 
3  SPACER  ID  0.2500  0.2540  0.2540  0.0055 X 
BOLT  OD  0.2485  0.2495  0.2485  X 
4  SHAFT  ID  0.2495  0.2505  0.2505  0.0020 X 
BOLT  OD  0.2485  0.2495  0.2485  X 
5  BEARING  ID  1.3120  1.3130  1.3130  0.0020  1 
SHAFT  OD  1.3110  1.3120  1.3110  X 
6  HOUSING  ID  2.2500  2.2510  2.2510  0.0020  X 
BEARING  OD  2.2490 2.2500 2.2490 1 
7 SPLINE  ID  --- --- --- 2  X 
SPLINE  OD  --- --- --- X 

REPLACE WHEN THE RADIAL PLAY OR THE BEARING IS MORE THAN 0.0020 INCH REPLACE WHEN THE BACKLASH IS MORE THAN 0.5 DEGREE
Aileron Control Wheel Drum Wear Limits
Figure 601 (Sheet 3)

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A
737-300/400/500MAINTENANCE MANUAL
 AILERON TRIM ACTUATOR - REMOVAL/INSTALLATION
____________________________________________
 1.  General
_______
 A.  There are two tasks in this procedure. There is one task for the removal and one task for the installation of the aileron trim actuator.
 TASK 27-11-54-004-006
 2.  Aileron Trim Actuator Removal
　
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