(1)
Remove the systems A and B hydraulic power (Ref 27-61-00/201).

 S 865-011
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 (2)  S 085-012Remove the protractor and the protractor mount from the captain's aileron control wheel.
 (3)  S 085-013Remove the protractors and the protractor stands from the spoilers No. 2 and 6.
 (4)  S 865-014Remove the electrical power (Ref 24-22-00/201).

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A
737-300/400/500MAINTENANCE MANUAL
 SPOILER CONTROL QUADRANT - REMOVAL/INSTALLATION
_______________________________________________
 1.  General_______
 A.  There is one task in this procedure, an inspection of the spoiler control quadrant. To do the inspection, you measure the diameters of the bearings and the bolts that attach the aileron spring cartridge.
 TASK 27-61-41-226-001
 2.  Spoiler Control Quadrant Inspection___________________________________
 A.  Standard Tools and Equipment
 (1)  
Micrometer - 0 to 1 inch

 B.  
References

 (1)  
27-61-41/401, Spoiler Control Quadrant

 C.  
Access

 (1)  
Location Zone
 216, 217 Main Wheel Well

 D.  
Procedure

 S 026-002
 (1)  
Remove the aileron spring cartridge (Ref 27-61-41/401).

 S 226-003

 (2)  
Examine the bearings and bolts for worn areas (Fig. 601):

 (a)  
Remove the bolts and bearings.

 (b)  
Use a micrometer to measure the bolts and bearings.

 (c)  
Compare the dimensions you measured with the permitted dimensions shown in Fig. 601.

 (d)  
Replace the parts that are not in the tolerance.

 (e)  
Install the bearings.

 (3)  
Install the aileron spring cartridge (Ref 27-61-41/401).

 S 426-004
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A

737-300/400/500
MAINTENANCE MANUAL

SPOILER 
CONTROL 
QUADRANT 
WHEEL WELL 
CEILING 
QUADRANT 
SHAFT 
SPOILER 
MIXER 
RIG PIN 
A/S-14 
A 
QUADRANT 
SHAFT 
SUPPORT 
BRACKET 
A 
B 
AILERON SPRING 
CARTRIDGE 
B 

Spoiler Control Quadrant Wear Limits
Figure 601 (Sheet 1)

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B-B

THE MAXIMUM PERMITTED RADIAL PLAY OF THE BEARING IS 0.0020 INCH
Spoiler Control Quadrant Wear Limits Figure 601 (Sheet 2)
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