(3)
AMM 32-21-31/401, Nose Landing Gear Torsion Links
C.
Prepare the Procedure
S 494-001
(1)
Install the ground locks in the nose landing gear
(AMM 32-00-01/201).
S 864-002
(2)
Remove the pressure from the hydraulic system A (AMM 29-15-00/201).
S 014-003
(3)
Remove the aft access panel from the leftside of the wheel well bulkhead on the nose landing gear.
D.
Procedure to Remove the Steering Collar
S 034-004
(1)
Disconnect the steering cables.
(a)
Install the rigging pin in the cable drum on the sidewall behind the steering wheel of the flight compartment.
(b)
Get access through panel 1103 and loosen the cables NWSA and NWSB tension at the turnbuckles.
NOTE: The turnbuckles of the NWSA cable are between the
____ steering wheel and the steering quadrant of the rudder pedal. The other turnbuckle of the NWSA is on the outboard of the wheel well on the nose landing gear (which is opposite the upper part of the shock strut). The turnbuckle of the NWSB is also on the outboard of the wheel well on the nose landing gear.
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A
737-300/400/500
MAINTENANCE MANUAL
SEE SEE A B 20. STEERING COLLAR
22. SPRING PIN
FWD CABLE TERMINAL NWSA AND NWSB
21. LOCKWIRE
STEERING COLLAR CABLE GROOVE NWSB CABLE A WITH TWO CABLES STEERING CYLINDER
20. STEERING COLLAR
21. COTTER PINS
CABLE NWSA/B
STEERING COLLAR CABLE GROOVE
STEERING CYLINDER
WITH SINGLE CABLE
A
Steering Collar Installation Figure 401 (Sheet 1)
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A 737-300/400/500MAINTENANCE MANUAL
2. UPPER TRUNNION LOCKNUT
1. METERING VALVE COVER
12. STEERING CYLINDER ATTACH BOLT
11. BUSHING
3. UPPER
10. FORWARD STEERING SUPPORT
COLLAR HALF PLATE
4. STEERING
13. SHOCK STRUT CYLINDER
5. LOWER TRUNNION15. AFT BEARING LOCKNUT
6.
LOWER SUPPORT PLATE ATTACH BOLT
7.
UPPER SUPPORT PLATE ATTACH BOLT
18. RETAINING
8. BUSHING
PIN
9. FORWARD BEARING FWD
17. AFT STEERING
UPPER COLLAR HALF
TORSION
LINK
B
Steering Collar Installation
Figure 401 (Sheet 2)
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ú 01 Page 403
ú Nov 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
F03236
A 737-300/400/500MAINTENANCE MANUAL
(c) Disconnect the steering wheel cables of the nose landing gear from the aft side of the steering collar (20). 1) AIRPLANES WITH TWO CABLES;
Remove the lockwire (21) from the spring pins (22) at the
terminal ends of the NWSA and NWSB cables.
a) Remove the spring pins (22).
2) AIRPLANES WITH SINGLE CABLE; Remove the cotter pins (21) from the steering collar (20).
S 034-005
(2)
Remove the retaining pin (18) from the upper torsion link (AMM 32-21-31/401).
S 844-006
(3)
Turn the collar (20) to approximately 50 degrees to the leftside.
S 034-007
(4)
Remove the right attach bolt (12) of the steering cylinder.
(a)
Remove the bolt bushings (8 and 11) of the steering collar.
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