(b)
Make sure the BOTTLE DISCHARGE light on the squib circuit test box goes off.
S 865-173
(34) Push and hold the BTL DISCH 1 switch.
(a) Make sure the BOTTLE DISCHARGE light on the squib circuit test box remains off.
S 865-175
(35)
Release the BTL DISCH 1 switch.
S 865-176
(36)
Push the AFT Cargo Fire switch and release.
(a) Make sure the AFT ARMED switchlight is OFF.
S 865-178
(37) Push the FWD Cargo Fire switch.
(a) Make sure the FWD ARMED switchligh is ON.
S 865-180
(38)
Push and hold the BTL DISCH 1 switch.
(a) Make sure the BOTTLE DISCHARGE light on the squib circuit test box remains off.
(39)
Release the BTL DISCH 1 switch.
S 865-183
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-23-00
ALL ú ú 01 Page 518 ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 865-185
(40) Push and hold the BTL DISCH 2 switch.
(a) Make sure the BOTTLE DISCHARGE light on the squib circuit test box remains off.
S 865-187
(41)
Release the BTL DISCH 2 switch.
S 865-188
(42)
Push the FWD Cargo Fire switch and release.
(a) Make sure the FWD ARMED switchlight is OFF.
S 865-190
(43) Open these circuit breakers on the P6 panel and attach DO-NOT-CLOSE tags:
(a)
6H5, FIRE EXTINGUISHING CARGO BTL 1
(b)
6H6, FIRE EXTINGUISHING CARGO BTL 2
S 035-191
(44)
Disconnect the bottle 2 AFT cargo squib connector, D4420, from the squib circuit test box adapter cable.
S 865-192
(45)
Set the LOAD CHECK switch on the squib circuit test box to the OFF position.
G. Squib Electrical Connection Procedure
NOTE: Do this procedure each time you connect an electrical connector to
____
a fire bottle squib.
S 865-434
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.
(1)
Before you touch the squib, do the procedure for devices that are sensitive to electrostatic discharge (AMM 20-41-01/201).
S 435-406
(2)
Do the steps that follow to connect an electrical connector to a fire bottle squib.
(a)
Make sure these circuit breakers on the P6 panel are open: 1) 6H1, FIRE EXTINGUISHING ENG L BTL 1 2) 6H5, FIRE EXTINGUISHING CARGO BTL 1 3) 6H6, FIRE EXTINGUISHING CARGO BTL 2
(b)
Remove the protective cover from the fire bottle squib.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-23-00
ALL ú ú 01 Page 519 ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
WARNING: MAKE SURE THERE IS NO VOLTAGE AT THE ELECTRICAL CONNECTOR.
_______ IF THERE IS A VOLTAGE AT THE ELECTRICAL CONNECTOR, THE SQUIB CAN RELEASE ITS CONTENTS SUDDENLY AND CAUSE INJURY TO PERSONS.
(c) Make sure there is no voltage between pins 1 and 2 of the electrical connector.
NOTE: If you use a voltmeter with a 10k ohm or greater
____ resistor, you will remove the stray voltage from the electrical connector.
(d) Do the steps that follow to make sure you did not bend or damage the squib pins.
NOTE: This step is necessary because the pins are most likely
____ to be damaged the first time an electrical connector is connected to the squib.
中國航空網 m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：757 AMM 飛機維護手冊 防火 FIRE PROTECTION 2(83)
