747-400 AMM 飞机维护手册 起落架 LANDING GEAR 2(168)

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_______ REMOVING THE STRUT PINS OR INJURY TO PERSONNEL OR DAMAGE TO EQUIPMENT MAY RESULT.
 (4)  Install the bungee restraining tool.
 S 494-011
 WARNING:_______THE UPPER DRAG STRUT WEIGHS APPROXIMATELY 120 POUNDS. MAKE SURE THE STRUT IS ADEQUATELY SUPPORTED BEFORE REMOVAL OF THE ATTACHING PINS.
 (5)  
Support the upper drag strut (1) with the sling and hoist.

 S 034-012

 (6)  
Remove the drag strut apex pin assembly consisting of the apex bolt (12), lube insert (14), and o-rings (13).

 (a)  
Remove the nut (19), washer (18) and lockbolt (16).

 (b)  
Remove the nut (17), washer (15) and drag strut apex pin assembly.

 S 034-013
 (7)  
Remove the upper drag strut spindle pin assembly consisting of the bolt (2), lube insert (3), and o-rings (4).

 (a)  
Remove the nut (10), washer (9) and lockbolt (8).

 (b)  
Remove the nut (7), washer (6) and spindle pin assembly.

 S 024-014
 (8)  Remove the upper drag strut (1) from the airplane.
 TASK 32-13-04-404-015
 3.  Body Gear Upper Drag Strut Installation_______________________________________
 A. Special Tools and Equipment
 (1)  
20HME65B00161-1 - Sling Assembly

 (2)  
2MIT65B08802-1 - Body Landing Gear Bungee Restraining Tool

 (3)  
F70312-26 - Torque Wrench Adapter

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 ALL  ú ú 01 Page 405 ú Jun 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (4)  
3PRE65B00163-1 - Protective Equipment, Body Gear Drag Strut Pin (Thread Protector)

 B.
Standard Tools and Equipment

 (1)  
Portable Hoist - 500 pound capacity

 C.
Consumable Materials

 (1)  
D00633 Grease - BMS 3-33 (preferred)

 (2)  
D00013 Grease - MIL-G-23827 (optional)

 D.
Parts

 ~.............................................................................. | MM | | IPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 1 | Upper Drag Strut (LH) | 32-13-01 | 01 | 40 | | | 1 | Upper Drag Strut (RH) | | 01 | 45 | | | 2 | Spindle Bolt | 32-13-05 | 01 | 70 | | | 3 | Lube Retainer | | | 55 | | | 4 | O-Rings | | | 65 | | | 6 | Tang Washer | | | 75 | | | 7 | Nut | | | 80 | | | 8 | Lockbolt | | | 40 | | | 9 | Flat Washer | | | 45 | | | 10 | Self-Locking Nut | | | 50 | | | 11 | Hydraulic Lines | 32-33-26 | 01 | 25 | | | 12 | Bolt Apex | 32-13-10 | 01 | 70 | | | 13 | O-Rings | | | 65 | | | 14 | Lube Retainer | | | 55 | | | 15 | Tang Washer | | | 75 | | | 16 | Lock Bolt | | | 40 | | | 17 | Nut | | | 80 | | | 18 | Flat Washer | | | 45 | | | 19 | Self-Locking Nut | | | 50 | | | 20 | Downlock Actuator | 32-33-15 | 01 | 35 | 2......…........…...................................…..........….....….........1
 E. References
 (1)  
AMM 07-11-01/201, Jacking Airplane

 (2)  
AMM 09-11-00/201, Towing

 (3)  
12-21-01/301, Landing Gear

 (4)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (5)  
AMM 32-00-30/201, Landing Gear Door Locks

 (6)  
AMM 32-13-04/601, Body Gear Upper Drag Strut

 (7)  
AMM 32-13-10/201, Body Gear Jury Strut

 (8)  
AMM 32-33-15/401, Body Gear Downlock Actuator

 F.
Prepare for Installation

 S 224-016
 (1)  Do a check of the attach points for excessive wear
 (AMM 32-13-04/601).

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 ALL  ú

 ú 01 Page 406 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 434-017
 (2)  
Prepare the pin assemblies for installation.
　
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