(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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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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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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本文链接地址：737-300 400 500 AMM 飞机维护手册 起落架 LANDING GEAR 3(135)
