S 866-078
CAUTION:_______ DO NOT TURN THE FIRE HANDLE WHEN YOU PULL IT INTO THE EMERGENCY
FIRE POSITION. IF YOU TURN THE FIRE HANDLE THE CONTENTS OF THE
FIRE BOTTLE CAN BE LET OUT.
(1) Open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11B20, FIRE DETECTION L ENGINE 1
(b)
11B21, FIRE DETECTION L ENGINE 2
(c)
11B22, FIRE DETECTION R ENGINE 1
(d)
11B23, FIRE DETECTION R ENGINE 2
(e)
11B24, FIRE DETECTION APU 1
(f)
11B25, FIRE DETECTION APU 2
(g)
11B26, FIRE DETECTION CARGO 1
(h)
11B27, FIRE DETECTION CARGO 2
(i)
11J24, FIRE DET ALTN PWR CARGO
(j)
11J25, FIRE DET ALTN PWR APU
(k)
11J26, FIRE DET ALTN PWR ENGINE LEFT
(l)
11J27, FIRE DET ALTN PWR ENGINE RIGHT
S 866-022
(2) Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:
NOTE: Both circuit breakers must be closed at the same time.
____
(a)
11B20, FIRE DETECTION L ENGINE 1
(b)
11B21, FIRE DETECTION L ENGINE 2
S 216-020
(3) Do the operational checks that follow:
(a)
Try to pull the LEFT (RIGHT) engine fire handle (switch) on the ENGINE FIRE CONTROL panel (P8) out.
(b)
Make sure the LEFT (RIGHT) handle is locked in position.
(c)
Push the ECS/MSG switch on the EICAS maintenance panel (P61).
NOTE: To advance the EICAS pages, push the switch as necessary
____ to make sure the messages are shown on EICAS panel (P2).
(d)
Push and hold the ENG/APU/CARGO test switch on the FIRE/OVHT TEST panel (P8).
(e)
Make sure these indications occur: 1) The red FIRE light on the captain's instrument panel (P1-3) comes on. 2) The red master WARNING lights on the glare shield panels (P7) come on.
3) The LEFT engine fire handle and L ENG OVHT light on the ENGINE FIRE Control Panel (P8) come on.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(f)
(g)
(h)
(i)
(j)
(k)
(l)
(m)
A
757
MAINTENANCE MANUAL
4) The red L FUEL CONTROL switch-light on the FUEL CONTROL panel (P10) comes on. 5) The fire bell is heard through the flight deck aural warning speakers. 6) The L ENGINE FIRE warning message and L ENG OVHT caution message are shown on the top EICAS display.
7) Make sure these EICAS maintenance messages are shown on the bottom display: a) L ENG FIRE LP 1 b) L ENG FIRE LP 2 c) L ENG OH LP 1 d) L ENG OH LP 2
Push the Master Caution Warning Switch.
1) Make sure the fire bell on the flight deck aural warning
speakers is not heard.Pull but do not turn the LEFT engine fire handle on the ENGINE FIRE CONTROL panel (P8) out to the emergency fire position.
Push the LEFT engine fire handle on the ENGINE FIRE CONTROL
panel back to the usual position.
Release the test switch on the FIRE/OVHT TEST panel (P8).
1) Make sure the above indications stop.
Open these circuit breakers on the P11 panel, and attach
DO-NOT-CLOSE tags:
1) 11B20, FIRE DETECTION L ENGINE 1
2) 11B21, FIRE DETECTION L ENGINE 2
Remove the DO-NOT-CLOSE tags and close these circuit breakers
on the P11 panel:
NOTE: Both circuit breakers must be closed at the same time.
____
1) 11B22, FIRE DETECTION R ENGINE 1
2) 11B23, FIRE DETECTION R ENGINE 2
Push and hold the ENG/APU/CARGO test switch on the FIRE/OVHT
TEST panel (P8).
Make sure these indications occur:
1) The red FIRE light on the captain's instrument panel (P1-3)
comes on. 2) The red master WARNING lights on the glare shield panels (P7) come on. 3) The RIGHT engine fire handle and the R ENG OVHT light on the ENGINE FIRE CONTROL panel (P8) come on. 4) The red R FUEL CONTROL switch-light on the FUEL CONTROL panel (P10) comes on. 5) The fire bell is heard through the flight deck aural warning speakers. 6) The R ENGINE FIRE warning message and R ENG OVHT caution message are shown on the top EICAS display (P2). 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(38)
