28-31-01
ALL ú ú 03 Page 404 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
SPAR REAR BOND SURFACE ELECTRICAL
ELECTRICAL BOND SURFACE
1
17.
SOCKET HEAD SCREW
18.
WASHER (5 LOCATIONS)
11. BONDING JUMPER
SEE
AND THE MATING SURFACE OF THE MOTOR/IMPELLER UNIT FOR AN ELECTRICAL SURFACE BOND (SWPM 20-20-00).
Fuel Override/Jettison Pump Motor/Impeller Unit Figure 401 (Sheet 3)
K04855
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-31-01
ALL ú ú 03 Page 405 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
REAR SPAR
ELECTRICAL BOND SURFACE
2
OVERRIDE/
JETTISON
PUMP
HOUSING
ELECTRICAL
BOND
SURFACE
2
ELECTRICAL BOND SURFACE
B
PUMP HOUSING
4. MOTOR/IMPELLER UNIT
BONDING CLIP
ELECTRICAL
BOND SURFACE
2
MOUNTING BOLT
(AMM 28-31-07/401)
17. SOCKET HEAD SCREW
(DO NOT REMOVE) 18. WASHER
BONDING JUMPER BUILD-UP
REAR SPAR
(DO NOT DISASSEMBLE FROM BONDING CLIP)
BONDING JUMPER C
2 PREPARE THE FAYING SURFACE OF THE OVERRIDE/JETTISON PUMP HOUSING AND THE MATING SURFACE OF THE IMPELLER UNIT FOR AN ELECTRICAL SURFACE BOND (SWPM 20-20-00).
Fuel Override/Jettison Pump Motor/Impeller Unit Figure 401 (Sheet 4)
L24205
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-31-01
ALL ú ú 03 Page 406 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
BONDING JUMPER
(CONNECTION AT THE BRACKET)
PREPARE THE FAYING SURFACE OF THE ELECTRICAL CONNECTOR
BRACKET FOR AN ELECTRICAL SURFACE BOND (SWPM 20-20-00).
Override/Jettison Pump Housing
Figure 401 (Sheet 5)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
28-31-01
ALL ú ú 03 Page 407 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
L24206
A
747-400 MAINTENANCE MANUAL
3) 414C5 FUEL OVRD/JTSN PUMP FWD 3
(c) P415 Power Distribution Center - Right
1) 415M32 FUEL OVRD/JTSN PUMP CTR RIGHT
2) 415A38 FUEL OVRD/JTSN PUMP AFT 2
3) 415B38 FUEL OVRD/JTSN PUMP AFT 3
S 034-154
(4)
Do these steps to remove the electrical connectors (View A):
(a)
Disconnect the electrical connector (2) from the pressure switch (3).
NOTE: Refer to this table for the equipment numbers.
____
~............................................................ | | Equipment Number | | Location ............................ | | Switch | Connector | .............................................................. | No. 2 Main Tank - Inbd | S238 | DS238 | | No. 2 Main Tank - Outbd | S239 | DS239 | | No. 3 Main Tank - Inbd | S240 | DS240 | | No. 3 Main Tank - Outbd | S241 | DS241 | | Center Wing Tank - Left | S66 | DS66 | | Center Wing Tank - Right | S68 | DS68 | 2.................................…...........…..............1
(b) Disconnect the airplane wiring at the pump electrical connector (5).
NOTE: Refer to this table for the equipment numbers.
____
~............................................................ | | Equipment Number | | Location ............................ | | Motor | Connector | .............................................................. | No. 2 Main Tank - Inbd | M223 | DM223 | | No. 2 Main Tank - Outbd | M222 | DM222 | | No. 3 Main Tank - Inbd | M226 | DM226 | | No. 3 Main Tank - Outbd | M227 | DM227 | | Center Wing Tank - Left | M224 | DM224 | | Center Wing Tank - Right | M225 | DM225 | 2.................................…...........…..............1
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：747-400 AMM 飞机维护手册 燃油 FUEL 4(26)
