S 226-003

 (2)  
Do a check of the aileron body quadrant (Fig. 601):

 (a)  
Remove the parts to be examined.

 (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 Body Quadrant Installation" (Ref 27-11-91/401).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500
MAINTENANCE MANUAL

SEE  A
POWER 
CONTROL 
SHAFT 
AILERON BODY 
QUADRANT 
FWD  INBD 
PRESSURE 
DECK 
1. BEARING/  PACKING 
SHAFT 
RING SEAL
SEAL HOUSING 
2. BEARING HOUSING/ 
INNER SPHERE 
A 
Aileron Body Quadrant 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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
INDEX NO. PART NAME  DIM.  DESIGN LIMITS  WEAR LIMITS  REPLACE PART WORN  REPAIR WORN PART  REPAIR INSTR. 
DIAMETER  WEAR DIM. MAX  DIAM CLEAR-ANCE MAX 
MIN  MAX 
1  BEARING  ID  1.5620  1.5630  1.5630  0.0030 
SHAFT  OD  1.5610  1.5620  1.5600 
2  BEARING HOUSING  ID  2.9500  2.9510  2.9530  0.0070 
INNER SPHERE  OD 2.9480  2.9490  2.9460 

Aileron Body Quadrant Wear Limits
Figure 601 (Sheet 2)

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A
737-300/400/500MAINTENANCE MANUAL
 AILERON/RUDDER TRIM CONTROL MODULE - REMOVAL/INSTALLATION
_________________________________________________________
 1.  General_______
 A.  This procedure contains the tasks that are necessary to remove and install the aileron and rudder trim control module and the trim control switches. The trim control switches include the two aileron trim switches and the rudder trim switch. The procedure has these tasks:
 (1)  
The removal of the trim control module

 (2)  
The installation of the trim control module

 (3)  
The removal of the trim control switches

 (4)  
The installation of the trim control switches

 (5)  
The removal of the rudder trim indicator.

 (6)  
The installation of the rudder trim indicator

 (7)  
A test of the trim control switches

 (8)  
A check of the rudder trim knob and lightplate.

 TASK 27-11-94-004-018
 2.  Aileron and Rudder Trim Control Module Removal (Fig. 401)______________________________________________
 A.  Access
 (1)  
Location Zone
 101 Control Cabin, LH
 102 Control Cabin, RH

 B.  
Remove the Aileron and Rudder Trim Control Module

 S 864-003
 (1)
Open these circuit breakers and attach DO-NOT-CLOSE tags:

 (a)  
P6-2 Circuit Breaker Panel
 1) RUDDER TRIM INDICATOR
 2) AILERON TRIM CONTROL
 3) RUDDER TRIM CONTROL

 S 024-002
 (2)  
Remove the trim control module:
　
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