S 844-004

 (4)  
Remove the hydraulic power from system 4 (AMM 29-11-00/201).

 S 034-052
 WARNING: COMPRESS THE BUNGEE WITH THE BUNGEE TOOL BEFORE YOU DISCONNECT
_______ THE TOP END FROM THE SIDE STRUT. THE BUNGEE CAN EJECT FROM THE SIDE STRUT IF YOU DISCONNECT THE BUNGEE WITHOUT THE BUNGEE TOOL. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (5)  
Disconnect the top end of the bungee from the upper side strut (AMM 32-32-16/401).

 (6)  
Lift the airplane with jacks (AMM 07-11-01/201).

 S 584-006
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 864-007
 WARNING: MAKE SURE THAT ALL PERSONS AND EQUIPMENT ARE AWAY FROM THE
_______ INBOARD SIDE OF THE WING LANDING GEAR. THE WING LANDING GEAR WILL MOVE INBOARD WHEN YOU REMOVE THE GROUND LOCKPIN. THE SUDDEN MOVEMENT OF THE LANDING GEAR CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (7)  Remove the ground lockpin from the wing landing gear.
 NOTE: The landing gear will release if you push up on the
____
 center of the jury strut.

 S 494-008
 (8)  Hold the top end of the lower side strut to the shock strut with a rope.
 NOTE: This will make sure the side strut and the jury strut do not
____
 extend.

 S 034-009
 (9)
Disconnect all of the hydraulic lines from the hydraulic swivel:

 (a)  
Disconnect the lower hoses from the swivel.

 (b)  
Disconnect the upstream hydraulic lines from the swivel.

 (c)  
Remove the upstream hydraulic lines.

 (d)  
Put a cap on all of the disconnected lines.

 (e)  
Put a plug in all of the open fittings.

 F.
Procedure

 (1)  
Remove the lockbolt from the inboard end of the spindle.

 (2)  
Loosen the spindle nut.

 S 034-011
 S 034-053
 NOTE: The spindle nut must stay on the end of the spindle to hold
____
 the spindle in the support structure.

 S 494-043
 (3)  Hold the top end of the side strut to the structure with the side strut sling.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 S 034-054
 WARNING: MAKE SURE THE SLING FOR THE SIDE STRUT IS SAFE BEFORE YOU
_______ REMOVE THE SPINDLE NUT. THE SIDE STRUT WEIGHS APPROXIMATELY 75 POUNDS. IF THE SIDE STRUT FALLS, IT CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (4)  
Remove the side strut bolt.

 (a)  
Remove the lockbolt, the special nut, and the tang washer from the end of the side strut bolt.

 (b)  
Hold the swivel bracket with your hand.

 (c)  
Pull the side strut bolt from the connection.

 NOTE: The swivel bracket will come loose when you pull the
____ bolt from the side strut.
 S 024-044
 (5)  
Remove the side strut spindle from the support structure.

 (a)  
Adjust the sling to permit sufficient clearance for the removal of the spindle.

 (b)  
Remove the spindle nut with the spline washer.

 (c)  
Install the thread protector on the spindle.

 (d)  
Pull the spindle from the support structure.

 TASK 32-11-05-404-017
 3. Wing Landing Gear Side Strut Upper Spindle Installation (Fig. 401)
_______________________________________________________
 A. Special Tools and Equipment
 (1)  
20HME65B00161-1 - Wing Gear Side and Jury Strut Sling

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

 (3)  
IM1083, 3-3/8 inch socket, 1-inch square drive, Snap On Tools Corp., Kenosha, Wisconsin
　
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本文鏈接地址：747-400 AMM 飛機維護手冊 起落架 LANDING GEAR 1(134)