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时间:2011-04-14 10:02来源:蓝天飞行翻译 作者:航空
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 S 024-034

 (2)
Remove the fuel pump (16):

 (a)
Disconnect the fuel drain line (10) from the elbow (11).


 S 014-003
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 49-31-03
 ALL  ú ú 01 Page 401 ú Feb 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

747-400
MAINTENANCE MANUAL

SEE A
ACCESSORY GEARBOX
2.  WASHER
FWD
(4 LOCATIONS)
1.  NUT 18. BRACKET (4 LOCATIONS)
16. FUEL PUMP 
17. NUT 
15. DRAIN OUTLET 
(HIDDEN)  4. PACKING 
14.  PACKING  5. NIPPLE 
13.  RING 
12.  NUT 
9. FILTER BYPASS 
LINE DRAIN 10. FUEL  11.  BRACKET ELBOW NUT  7. FUEL SUPPLY PORT  INDICATOR ELECTRICAL CONNECTOR P3  6. FUEL SUPPLY TUBE 

A
Fuel Pump Installation
Figure 401

F58310
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 ALL  ú ú 03 Page 402 ú Feb 10/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (b)  
Remove the elbow (11), the nut (12), the ring (13), and the packing (14) from the drain outlet (15). 1) Discard the packing (14) and the ring (13).

 (c)  
Disconnect the fuel supply tube (6) from the nipple (5).

 (d)  
Remove the nipple (5) and the packing (4) from the fuel supply port (7). 1) Discard the packing (4).

 (e)  
Disconnect the P3 electrical connector (8) from the filter bypass indicator (9).

 (f)  
Remove the nuts (17) and the bracket (18) from the fuel pump (16).


 NOTE: You can leave the electrical connectors attached to
____
 the bracket.

 (g)  
Move the bracket (18) to one side.

 (h)  
Install the nuts (17) on the fuel pump (16). 1) Tighten the nuts (17) to 90-100 pound-inches (10-11 N.m).

 (i)  
Remove the nuts (1), the washers (2), and the bracket that attach the fuel pump (16) to the accessory gearbox.

 (j)  
Remove the fuel pump (16).


 S 434-011
 (3)  Install caps and plugs on the tubes, the connectors, and the openings to prevent contamination.
 TASK 49-31-03-404-012
 3. Fuel Pump Installation (Fig. 401)
______________________
 A. Consumable Materials
 (1)  
D00098 Fuel - Turbine Engine, PWA 522

 (2)  
D00137 Oil - Engine

 (3)  
D00247 Compound - Antigalling (Fel Pro C-200 or equivalent)

 B.
References

 (1)  
49-31-02/401, Fuel Metering Adapter

 (2)  
WDM 49-11-11


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 ALL  ú ú 03 Page 403 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 (3)  SSM 49-11-01
 C. Parts ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 4 | Packing | 49-31-03 | 01 | 20 | | | 14 | Packing | | | 160 | | | 16 | Pump Assembly (Fuel Pump) | | | 57 | 2.......….......…...................................…...........…......….......1
 D.  Access
 (1)  
Location Zone 317 APU Compartment-Bottom of APU Aft of Accessory Gearbox, LH

 318  APU Compartment-Bottom of APU Aft of Accessory Gearbox, RH

 (2)  
Access Door
 317AL APU Access Door
 318AR APU Access Door


 E.  
Procedure
 
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