(19)
Make sure the multimeter on the squib circuit test box shows 0 +/- 2 volts and the BOTTLE DISCHARGE light on the squib circuit test box stays off.
S 985-070
(20)
Push the fire handle in to the normal (locked) position.
S 865-072
(21)
Make sure this circuit breaker on the P11 panel is closed:
(a) 11B33, APU REMOTE FIRE IND
S 865-073
(22)
Make sure that the BAT switch on the P5 panel is in the ON position.
S 865-074
(23)
Push and release the APU FIRE SHT DN switch on the APU SHUTDOWN Remote Control panel, P62.
S 865-076
(24)
Push and hold the APU BTL DISCH switch on the APU SHUTDOWN Remote Control panel, P62.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-22-00
ALL ú ú 05 Page 510 ú Sep 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 765-078
(25)
Make sure the BOTTLE DISCHARGE light on the squib circuit test box comes on and the multimeter on the squib circuit test box shows more than 16 volts.
S 865-079
(26)
Release the APU BTL DISCH switch.
S 765-081
(27)
Make sure the multimeter on the squib circuit test box shows 0 |2 volts and the BOTTLE DISCHARGE light on the squib circuit test box stays off.
S 865-082
(28)
Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag:
(a) 11B33, APU REMOTE FIRE IND
S 865-175
(29) Open this circuit breaker on the P6 panel and attach a DO-NOT-CLOSE tag:
(a) 6G1, FIRE EXT APU
S 025-083
(30)
Disconnect the APU extinguisher squib electrical connector D2262 from the squib circuit test box adapter cable.
S 865-085
(31)
Set the LOAD CHECK switch on the squib test box to OFF.
NOTE: Adapter cables are included with the squib circuit tester and
____
must have the correct connectors.
F. Squib Electrical Connection Procedure
NOTE: Do this procedure each time you connect an electrical connector to
____
a fire bottle squib.
S 435-155
(1) Do the steps that follow to connect an electrical connector to a fire bottle squib.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-22-00
ALL ú ú 03 Page 511 ú Sep 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 865-193
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.
(2) Before you touch the squib, do the procedure for devices that are sensitive to electrostatic discharge (AMM 20-41-01/201).
(a) If a protective cover is installed, remove the protective cover.
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.
(b) Make sure there is no voltage between pins 1 and 2 of the electrical connector.
NOTE: Connect a 10 Kohm resistor across the meter to remove
____ any stray voltage from the electrical connector.
(c) 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.
1) Disconnect the electrical connector from the fire bottle
squib. 2) Make sure the squib pins are not bent or damaged. 3) Make sure the electrical connector is not damaged.
NOTE: The squib pins can cause damage to the connector if
____ the pins do not enter the electrical connector receptacles.
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：757 AMM 飞机维护手册 防火 FIRE PROTECTION 2(49)
