(11)
 Remove the rig pin (2).

 (12)
 Examine the operation of the steering system (AMM 32-51-00/501).

 S 434-026
 S 094-027
 S 714-029
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 STEERING CYLINDER - REMOVAL/INSTALLATION
________________________________________
 1.  General_______
 A.  This procedure contains two tasks. The first task removes the steering cylinder for the nose wheel steering. The second task installs the steering cylinder for the nose wheel steering.
 B.  This procedure also contains the task to examine the nose wheel steering system.
 TASK 32-51-51-004-002
 2.  Steering Cylinders Removal (Fig. 401)__________________________
 A.  References
 (1)  
AMM 29-15-00/201, Hydraulic Systems A and B

 (2)  
AMM 32-00-01/201, Ground Lock Assemblies

 (3)  
AMM 32-21-31/401, Nose Landing Gear Torsion Links

 (4)  
AMM 32-51-11/401, Steering Metering Valve

 B.  
Prepare for the Removal

 S 494-004
 (1)  
Install the ground locks on the nose landing gear
 (AMM 32-00-01/201).

 S 844-005

 (2)  
Release the pressure from the hydraulic system A
 (AMM 29-15-00/201).

 S 024-008

 (3)  
Remove the steering metering valve (AMM 32-51-11/401).

 S 034-107

 (4)  
Disconnect the steering cables.

 (a)  
Install the rig pin in the steering drum in the control cabin.

 (b)  
Get access on panel 1103 and loosen the tension of cables NWSA and NWSB at turnbuckles.

 NOTE: The NWSA turnbuckles are between the steering wheel and
____ the steering quadrant of the rudder pedal. The other NWSA turnbuckle is on the outboard of the nose wheel well (which is opposite the upper part of the shock strut). Also, the NWSB turnbuckle is on the outboard of the nose wheel well.
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A
737-300/400/500MAINTENANCE MANUAL
STEERING CYLINDER ATTACH BOLT
UPPER 
BUSHING 
A  STEERING 
SEE  A  CYLINDER 
ROD END 
SEE  B 
A  CLEARANCE 
MEASUREMENT 
FWD  LOWER 
STEERING  BUSHING 
COLLAR LUG 

A-A
AFT STEERING COLLAR HALF
AFT STEERING COLLAR 29. COTTER PINS
HALF
30. SPRING PIN
NWSA/B CABLE CABLE NWSA/B
TERMINAL
31. LOCKWIRE
CABLE NWSA/B
STEERING CYLINDER WITH SINGLE CABLE
A
STEERING CYLINDER WITH TWO CABLES
A
Steering Cylinder Installation Figure 401 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
1. UPPER TRUNNION
 LOCKNUT 
25. BOLT  2. WASHER 
STEERING 
CYLINDER 
ATTACH BOLT 
24. BOLT 3. BEARING 
4. UPPER SUPPORT
 PLATE
5. UPPER SUPPORT 
PLATE ATTACH 
BOLT
23. NUT
22. WASHER  6. WASHERS 
7. SUPPORT PLATE 
SPACER (2) 
8. CABLE GUARD
9. CABLE GUARD 
ATTACH BOLT 
FWD 
10. WASHER 
11. STEERING
 CYLINDER 
12. LOWER
STEERING  SUPPORT
　
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