747-400 AMM 飞机维护手册 NACELLES/PYLONS(10)

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 (7)  S 494-034Install the strut overhead sling (Fig. 402) (a) Remove the No. 3 forward fairing. (b) Attach the sling to the front of the strut with the forward hoisting attach fitting. (c) Attach the sling to the lower aft attach points of the strut with the aft hoisting attach fittings. (d) Use the lift point as marked on the sling for the engine and strut location. (e) Use the hole in the lift point as follows: 1) Engines 1 & 2 - left hole 2) Engines 3 & 4 - right hole.
 (8)  S 034-038Remove the attach bolts of the side brace (AMM 54-51-02/401).
 (9)  S 034-039Remove the side brace.
 S 034-040

 (10)
 Remove the forward fuse pin of the upper link (AMM 54-51-02/401). S 034-041

 (11)
 Remove the aft attach bolt of the upper link (AMM 54-51-02/401). S 034-042

 (12)
 Remove the upper link. S 034-043

 (13)
 Remove the two fuse pins of the midspar/spring beam (AMM 54-51-02/401).

 S 024-044 CAUTION: USE APPLICABLE PROTECTION BELOW THE ENGINE MOUNT FITTINGS
_______ TO PREVENT DAMAGE TO THE DUCTS, TUBING, AND LINES. DAMAGE TO THESE ITEMS COULD CAUSE THE HYDRAULIC SYSTEM TO LEAK.
 (14) Lower the nacelle strut on the dolly.
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747-400 MAINTENANCE MANUAL
 S 034-045
 (15) Remove the strut-to-wing seal.
 (a)  On outboard struts, remove the seven screws and washers that attach the seal to the strut.
 TASK 54-51-01-404-046
 3.  Install the Nacelle Strut_________________________
 A. Special Tools and Equipment
 (1)  
G54004 - Overhead Mechanical Equipment, Inboard and Outboard Nacelle Strut Installation

 (2)  
G54007 - Overhead Mechanical Equipment, Diagonal Brace Unload Sling

 (3)  
3MIT65B90100 - Wrench Set, Strut Installation, Upper Link Aft Attach Bolt

 B. Standard Tools and Equipment
 (1)  Crane, capable of lifting 3000 pounds
 C. Consumable Materials
 (1)  
A00344 Compound - Corrosion Preventive, MIL-C-11796, Class 1

 (2)  
A00247 Sealant - BMS 5-95

 (3)  
A00310 Sealant - BMS 5-79 (optional to BMS 5-95)

 (4)  
A00160 Sealant - BMS5-63, Class B

 D. References
 (1)  
AMM 24-20-00/501, AC Generation

 (2)  
AMM 27-81-00/201, Leading Edge Flaps

 (3)  
AMM 28-00-00/201, Fuel System

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

 (5)  
AMM 29-11-00/601, Main Hydraulic Supply System

 (6)  
AMM 29-11-08/401, Air-Driven Pump Turbine Drive

 (7)  
AMM 29-11-17/401, Air-Driven Pump

 (8)  
AMM 29-11-19/401, AC Motor-Driven Pump

 (9)  
AMM 30-11-00/501, Wing Thermal Anti-Icing

 (10)
 AMM 36-11-00/501, Engine Bleed Air Distribution System

 (11)
 AMM 36-11-01/401, Pneumatic Duct

 (12)
 AMM 51-21-00/001, Interior and Exterior Finishes

 (13)
 AMM 54-51-02/401, Nacelle Strut Attach Pins/Bolts

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (14)
 AMM 54-51-03/601, Spring Beam

 (15)
 AMM 54-53-01/201, Strut Systems Sealant

 (16)
 AMM 54-62-00/201, Nacelle Strut Access Panels

 (17)
 AMM 71-00-00/501, Power Plant

 (18)
 AMM 71-00-02/401, Power Plant

 (19)
 AMM 78-31-01/401, Thrust Reverser System

 (20)
 CPM Part 3, 54-10-47

 (21)
 AIPC 54-51-02 Fig. 1

 (22)
 AIPC 54-51-02 Fig. 2

 (23)
 OHM 54-00-01

 (24)
 WDM Chapter 20
　
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