32-11-22
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
(2) S 226-003Examine the worn area limits of the universal pin assemblies and the bearings. (a) Measure the parts when it is necessary and compare the measured dimensions to the limit dimensions. (b) If the part is not in the tolerance, repair or replace the parts if it is necessary.
(3) S 426-004Install the universal and the pin assemblies (Ref 32-11-22/401).
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A
747-400 MAINTENANCE MANUAL
WING LANDING GEAR TRUCK MECHANICAL LOCK - REMOVAL/INSTALLATION
______________________________________________________________
1. General_______
A. This procedure contains two tasks:
(1)
The removal of the truck mechanical lock on the wing landing gear.
(2)
The installation of the truck mechanical lock on the wing landing gear.
B.
The truck mechanical lock is installed on the inboard side of the shock strut on the wing landing gear. The removal and the installation procedures are the same for the two mechanical locks.
TASK 32-11-23-004-001
2. The Truck Mechanical Lock Removal on the Wing Landing Gear (Fig. 401)__________________________________________________________
A. References
(1)
09-11-00/201, Towing
(2)
32-00-30/201, Landing Gear Door Locks
(3)
32-11-07/201, Wing Gear Side Strut Lower Spindle
(4)
IPC 32-11-23 Fig. 1
B.
Access
(1)
Location Zone
735 Wing Landing Gear, LH
745 Wing Landing Gear, RH
C.
Procedure
S 864-024
(1) Install the ground locks in all landing gear (Ref 09-11-00/201).
S 494-025
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2) Do this task: "Installation of the Door Locks on the Wing Landing Gear" (Ref 32-00-30/201).
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32-11-23
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A
747-400
MAINTENANCE MANUAL
SIDE STRUT
SEE A 1. FRAME
A SPINDLE
SHOCK STRUT
FWD
5. ROLLER
A
SUPPORT 2. PUSHROD
4. HOOK 3. LEVER
SEE B
UPPER
TORSION
LINK
A = 0.004 |0.002 INCH
1. FRAME
14. SPLINED WASHER
6.
NUT
7.
SHIM
A-A
5. ROLLER SUPPORT
Wing Gear Truck Mechanical Lock Installation
Figure 401 (Sheet 1)
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747-400 MAINTENANCE MANUAL
22. BOLT
8. BRACKET
24. WASHER (QTY 2) 21. SHIM
1 PLACE C
PLANE D
FRAME1. FRAME1. SHIM7.
NUT23. B-B 17. DELRIN BUSHING
16. SHIM
15. BEARING PAD
5. ROLLER SUPPORTFWD 11. CLAMP
14. SPLINED WASHER 10.
12.
NUT
13.
NEEDLE BEARING
A
1. FRAME
WASHER
4. HOOK
3. LEVER
20. BOLT
1
ONE SHIM REQUIRED FOR INSTL 65B01352 -1, -5, -9 AND
B
TWO SHIMS REQUIRED FOR INSTL 65B01352 -3, -7
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