747-400 AMM 飞机维护手册 发动机燃油和控制 1(62)

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 CAUTION: ATTACH A TEMPORARY SAFETY WIRE AROUND THE DIFFUSER
_______ CASE INTERNAL TUBE BEFORE YOU REMOVE THE LOCKS. IF YOU DO NOT ATTACH A SAFETY WIRE, THE DIFFUSER CASE INTERNAL TUBE CAN FALL INTO THE DIFFUSER CASE.
 9)  Install a temporary safety wire around the diffuser case internal tube.
 10) Remove the gaskets (201, 202) and the locks (200) from the engine. a) Discard the gaskets (201, 201).
 11) Remove the deflector (222) and the gaskets (221, 223) from the HPC rear case. a) Discard the gaskets (221, 223).
 12) Install protection caps to the openings in the diffuser case, the HPC rear case and the open ends of the diffuser-seal air vent-tube.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
(c)  
Put the container below the fuel manifold (4).

 (d)  
Disconnect the supply tube (1) from the fuel manifold (4).

 (e)  
Disconnect the fuel manifold (4) from all three fuel injectors (5).

 (f)  
Remove the fuel manifold (4) from the engine. 1) Install caps on the openings in the fuel manifold (4). 2) Discard the packings (20).

 (g)  
Remove the transfer tube (2) from the supply tube (1). 1) Discard the packings (3) from the transfer tube (2).

 (h)  
Remove the bolts (21) which attach the fuel injector (5) to the diffuser and combustor case.

 (i)  
Remove the fuel injector (5) and the gasket (19) from the engine.

 NOTE: Turn or lift the fuel injector, as it is necessary, to
____ disengage the fuel injector from the diffuser and combustor case.
 1) Discard the gasket (19).
 (j)  Install caps on the open end of the supply tube (1) and the opening in the diffuser and combustor case.
 TASK 73-11-05-404-134-N00
 10. Install the No. 1, 2, or 3 Fuel Injector and Support (Fig. 401)
____________________________________________________
 A. Equipment
 (1)  M303, M305, or M307 Bergen Mechanical Crimper
 Bergen Cable Technologies Inc
 170 Gregg St

 P.O.
 Box 1300
 Lodi, NJ 07644-9982

 B.
Consumable Materials

 (1)  
D00045 Beeswax

 (2)  
D00250 Petrolatum White, VV-P-236

 (3)  
D00301 Petroleum Jelly, Vaseline

 (4)  
D00390 Oil - Engine

 (5)  
G01505 Lockwire - MS20995

 (6)  
G02332 Ferrule - P05-292 (Optional)

 (7)  
G02335 Cable - Safety - P05-291 (Optional)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C.  Parts
 ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 3 | Packing | 73-11-06 | 30 | 65 | | | 5 | Fuel Injector and Support | 73-11-05 | 05 | 10 | | | 19 | Gasket | | | 20 | | | 20 | Packing | 73-11-06 | 25 | 15 | 2.....….........…...................................…..........…......…........1
 D.  References
 (1)  
AMM 71-00-00/501, Power Plant

 (2)  
AMM 71-11-04/201, Fan Cowl Panels

 (3)  
AMM 71-11-06/201, Core Cowl Panels

 (4)  
AMM 78-31-00/201, Thrust Reverser System

 E.  
Access

 (1)  
Location Zone 412 Engine 1 - Diffuser and Combustor Case 1 o'clock 422 Engine 2 - Diffuser and Combustor Case 1 o'clock 432 Engine 3 - Diffuser and Combustor Case 1 o'clock 442 Engine 4 - Diffuser and Combustor Case 1 o'clock

 (2)  
Access Panel
 416 Right Thrust Reverser Half - Engine 1
 426 Right Thrust Reverser Half - Engine 2
　
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