S 024-034
(2)
Remove the fuel pump (16):
(a)
Disconnect the fuel drain line (10) from the elbow (11).
S 014-003
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
49-31-03
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
49-31-03
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護手冊 機載輔助動力 2(49)
