B.  
References

 (1)  
27-61-31/401, Spoiler Ratio Changer

 C.  
Access

 (1)  
Location Zone
 216, 217 Main Wheel Well

 D.  
Procedure

 S 026-002
 (1)
Remove the input rod from the ratio changer (Ref 27-61-31/401).

 S 226-003

 (2)  
Measure the lockbolt and the clevis on the input rod:

 (a)  
Use a micrometer to measure the diameters of the lockbolt and the clevis.

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

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

 (3)
Install the input rod for the ratio changer (Ref 27-61-31/401).

 S 426-004
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SEE A
A
ROD GUARD
INPUT ROD
A
1. CLEVIS/
 LOCKBOLT

WHEEL WELL FORWARD BULKHEAD
FWD
RATIO CHANGER
A
A-A DESIGN LIMITS
WEAR LIMITS MAXDIAMETER REPLACE REPAIRPERMITTED DIA
INDEX WORN WORN REPAIR
WEAR CLEAR-
NO.
PART NAME DIM.
MIN MAX PART PART INSTR.
DIM.
ANCE
CLEVIS ID 0.2495
0.2505
0.2515
X
 1

0.0035
LOCKBOLT

OD 0.2480
0.2495
0.2480
X
Spoiler Ratio Changer Input Rod Wear Limits
Figure 601

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 SPOILER CONTROL QUADRANT - REMOVAL/INSTALLATION
_______________________________________________
 1.  General
_______
 A.  There are two tasks in this procedure. There is a task for the removal and a task for the installation of the spoiler control quadrant.
 TASK 27-61-41-004-001
 2.  Spoiler Control Quadrant Removal
________________________________
 A.  References
 (1)  
25-22-00/201, Passenger Seats

 (2)  
25-27-15/401, Carpets

 (3)  
53-21-00/401, Passenger Cabin Floor

 B.  
Access

 (1)  
Location Zone
 108 Aft Half of Cabin
 202 Lower Nose Compartment
 216 Left Main Wheel Well
 217 Right Main Wheel Well

 (2)  
Access Panels
 1103 Forward Access Door

 C.  
Prepare For the Removal

 S 864-002
 (1)  Put the aileron in the neutral position.
 NOTE: The ailerons are in the neutral position when you can easily
____ install the rig pin A/S-4 in the aileron bus drums.
 S 014-003
 (2)  
Open the forward access door.

 S 484-004

 (3)  
Install the rig pins A/S-1 and A/S-1A in the transfer mechanism for the first officer's aileron control wheel (Fig. 401).

 (a)  
Make sure the rig pin A/S-1 is fully installed in the transfer mechanism and will not fall out.

 S 014-005
 (4)  
Remove the right floor panel between the seat tracks at the second window aft of the wing escape hatch:

 (a)  
Remove the seats to get access to the floor panel (Ref 25-22-00/201).

 (b)  
Remove the carpet from the floor panel (Ref 25-27-15/401).

 (c)  
Remove the floor panel (Ref 53-21-00/401).

 D.  
Remove the Spoiler Control Quadrant

 S 034-006
 (1)  
Disconnect right aileron control cables:

 (a)  
Install the cable clamps on the cables to keep a small tension when you disconnect the turnbuckles.
　
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