S 864-002
(2)
Open this circuit breaker on the main power distribution panel, P6, and attach a DO-NOT-CLOSE tag:
(a) 6H6, FIRE EXTINGUISHER LOWER CARGO
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-23-02
ALL ú ú 01 Page 401 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
SEE A
EXTINGUISHER BOTTLE M7906 THRU M7908, M6742
GLAND NUT
DISCHARGE
PORT
O-RING GROUND STRAP
GROUND LUG
ELECTRICAL ASSEMBLY
CONNECTOR
DISCHARGE CARTRIDGE (SQUIB)
FIRE EXTINGUISHER BOTTLE A
Lower Cargo Compartment Fire Extinguisher
Discharge Cartridge (Squib) Installation
Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-23-02
ALL ú ú 01 Page 402 ú Jun 10/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 034-003
(3) Disconnect the electrical connector from the applicable squib as shown in the table that follows: ~................................................. | BOTTLE | ELECTRICAL CONNECTOR | ................................................... | BOTTLE A FWD SQUIB | DM7906B | ................................................... | BOTTLE A AFT SQUIB | DM7906C | ................................................... | BOTTLE B FWD SQUIB | DM7907B | ................................................... | BOTTLE B AFT SQUIB | DM7907C | ................................................... | BOTTLE C FWD SQUIB | DM7908B | ................................................... | BOTTLE C AFT SQUIB | DM7908C | ................................................... | BOTTLE D FWD SQUIB | DM6742B | ................................................... | BOTTLE D AFT SQUIB | DM6742C | 2.......................….........................1
S 534-059
WARNING:_______PUT A PROTECTIVE COVER ON THE FIRE BOTTLE SQUIB. IF YOU DO NOT PUT A PROTECTIVE COVER ON THE FIRE BOTTLE SQUIB, THE FIRE BOTTLE CAN RELEASE ITS CONTENTS SUDDENLY AND CAUSE INJURY TO PERSONS.
CAUTION:_______DO NOT PUT A SHUNT PLUG ON THE FIRE BOTTLE SQUIB. THE SHUNT PLUG CAN CAUSE DAMAGE TO THE SQUIB PINS.
(4)
Put a protective cover on the fire bottle squib.
(5)
Remove the squib.
(6)
Remove the squib and ground lug assembly.
S 034-005
S 024-006
NOTE: Keep the ground lug for installation.
____
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-23-02
ALL ú ú 01 Page 403 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
TASK 26-23-02-404-007
3. Install the Discharge Cartridge (Squib) (Fig. 401)
_______________________________
A. Equipment
(1)
Voltmeter - with a 10k ohm or greater
resistance
B.
References
(1)
AMM 24-22-00/201, Manual Control
(2)
AIPC 26-23-01, Fig. 2
(3)
WDM 26-23-11, WDM 26-23-12
C.
Access
(1)
Location Zone 124 Forward Cargo Container Compartment Aft Half
D.
Squib Electrical Connection Procedure
NOTE: Do this procedure each time you connect an electrical connector to
____
a fire bottle squib.
S 864-063
WARNING: DO NOT TOUCH THE SQUIB BEFORE YOU DO THE PROCEDURES FOR DEVICES
_______ THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE THE FIRE BOTTLE TO RELEASE ITS CONTENTS SUDDENLY AND CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
中國航空網(wǎng) 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 防火 FIRE PROTECTION 2(132)
