S 866-020
(10)
Make sure the BOTTLE DISCHARGE light on the squib circuit test box stays off.
(11)
Turn and hold the APU fire handle fully counterclockwise.
S 976-022
(12)
Make sure the BOTTLE DISCHARGE light on the squib circuit test box comes on.
S 766-021
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-22-02
ALL ú ú 03 Page 607 ú Sep 20/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
S 766-023
(13) Make sure that the multimeter on the squib circuit test box shows more than 16 volts.
NOTE: If the voltage is less than 16 volts, the circuit may not
____
provide sufficient current to fire the squib.
S 766-024
(14)
Release the APU fire handle and make sure the fire handle moves quickly toward center about 10 degrees.
S 986-025
(15)
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 766-026
(16)
Turn and hold the APU fire handle fully clockwise.
S 976-027
(17)
Make sure the BOTTLE DISCHARGE light on the squib circuit test box comes on.
S 766-028
(18)
Make sure the multimeter on the squib circuit test box shows more than 16 volts.
NOTE: If the voltage is less than 16 volts, the circuit may not
____
provide sufficient current to fire the squib.
S 766-029
(19)
Release the APU fire handle and make sure the fire handle moves quickly toward center about 10 degrees.
S 976-030
(20)
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.
(21)
Put the fire handle to the normal (horizontal) position.
S 866-031
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-22-02
ALL ú ú 03 Page 608 ú Sep 20/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 866-199
(22) Make sure this circuit breaker on the P11 panel is closed:
(a) 11B33, APU REMOTE FIRE IND
S 866-200
(23)
Make sure that the BAT switch on the P5 panel is in the ON position.
S 866-201
(24)
Push and release the APU FIRE SHT DN switch on the APU SHUTDOWN Remote Control Panel, P62.
S 866-202
(25)
Push and hold the APU BTL DISCH switch on the APU SHUTDOWN Remote Control panel, P62.
S 866-203
(26)
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 866-204
(27)
Release the APU BTL DISCH switch.
S 866-205
(28)
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.
G. Do the APU Fire Auto-Bottle Discharge Circuit Check
S 866-292
(1) Open this circuit breaker on the P11 panel and attach a DO-NOT-CLOSE tag:
(a) 11B33, APU REMOTE FIRE IND
S 866-250
(2) Close the following circuit breakers on the P11 panel:
(a) 11B24, FIRE DETECTION APU 1
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-22-02
ALL ú ú 04 Page 609 ú Sep 28/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
(b)
11B25, FIRE DETECTION APU 2
(c)
11B31, ENG SPEED CARD L
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(59)
