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747-400 MAINTENANCE MANUAL
 WING LANDING GEAR SIDE STRUT UPPER SPINDLE - REMOVAL/INSTALLATION
_________________________________________________________________
 1.  General_______
 A. This procedure contains two tasks:
 (1)  
The removal of the upper spindle from the side strut on the wing landing gear

 (2)  
The installation of the upper spindle on the side strut of the wing landing gear.

 TASK 32-11-05-004-001
 2.  Wing Landing Gear Side Strut Upper Spindle Removal (Fig. 401)__________________________________________________
 A. Special Tools and Equipment
 (1)  
20HME65B00161-1 - Wing Gear Side and Jury Strut Sling

 (2)  
IM1083, 3-3/8 inch socket, 1-inch square drive, Snap On Tools Corp., Kenosha, Wisconsin

 (3)  
2MIT65B08803-1 - Wing Gear Bungee Restraining Tool

 (4)  
4PRE65B00161-1 - Wing Gear Side Strut Upper Spindle Protective Equipment (Thread Protector)

 B.
Standard Tools and Equipment

 (1)  
Hoist - Standard ~..................................................... | vertical range: | ground level to 19 feet | ....................................................... | maximum load: | 350 pounds | ....................................................... | load at maximum extension:| 205 pounds | 2...........................….........................1

 C.
References

 (1)  
AMM 07-11-01/201, Jacking Airplane

 (2)  
AMM 09-11-00/201, Towing

 (3)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (4)  
AMM 32-00-30/201, Landing Gear Door Locks

 (5)  
AMM 32-32-16/401, Wing Gear Downlock Bungee

 (6)  
AIPC 32-11-05 Fig. 1

 (7)  
AIPC 32-32-16 Fig. 2

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747-400 MAINTENANCE MANUAL
SEE A SPINDLESPINDLE NUT
SPLINE
WASHER TANG WASHER
SPECIAL NUT PIN
HYDRAULIC SWIVELSUPPORT STRUCTURE SIDE STRUT BOLT
UPPER 
O-RINGS  SIDE STRUT 
LUBRICATION INSERT  SWIVEL 
BRACKET 

A  FWD
Wing Landing Gear Side Strut Upper Spindle Installation
Figure 401

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747-400
MAINTENANCE MANUAL

 (8)  
AIPC 32-32-26 Fig. 2

 D.
Access

 (1)  
Location Zone
 735 Wing Landing Gear, LH
 745 Wing Landing Gear, RH

 E.
Prepare for the Procedure

 S 494-040
 WARNING: YOU MUST CAREFULLY INSTALL THE GROUND LOCKS IN ALL LANDING
_______ GEAR. AN ACCIDENTAL RETRACTION OF THE LANDING GEAR CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (1) Install the ground locks in all landing gear (AMM 09-11-00/201).
 S 494-041
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASKS 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" (AMM 32-00-30/201).

 S 494-042

 (3)  
Do this task: "Installation of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).
　
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