FIRE
WARN
BELL CUTOUT
MASTER CAUTION PUSH TO RESET
MASTER CAUTION AND
FIRE WARN LIGHTS
(TYPICAL)
B NORMAL F A U L T A ENG 1 OVERHEAT A I N O P O V H T F I R E OVHT DET TEST DISCH L R R A WELL INOP A A R WHEEL FAULT APU DET APU BOTTLE DISCHARGED BUTTON UNDER HANDLE FIRE SWITCHES PULL WHEN ILLUMINATED (FUEL SHUTOFF) ENG 2 OVERHEAT A R A B NORMAL LOCK OVERRIDE: PRESS OVHT DETBELL CUTOUT DISCH APU A A R L G G G L R R E X T T E S T 21 ENGINES L BOTTLE DISCHARGE R BOTTLE DISCHARGE DISCH
ENGINE AND APU FIRE CONTROL MODULE
A
Fire Protection Component Location
Figure 1 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
LEFT OVERHEAT LIGHT (LEFT WING, LEFT A/C PACK, KEEL BEAM, AFT CARGO, 56, 58) OVERHEAT TEST SWITCH
RIGHT OVERHEAT LIGHT (RIGHT WING, RIGHT A/C PACK)
Fire Protection Component Location
Figure 1 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
3. Lightshield Module (Fig. 1)
__________________
A. The lightshield module P7 contains master fire warning, master caution, and annunciator lights.
4. APU Ground Control Panel (Fig. 1)
________________________
A. The APU ground control panel P28 contains a fire warning light, a handle to arm the APU fire extinguishing system, and bottle discharge and bell cutout switches. The panel is on the aft bulkhead of the right main wheel well.
5. Air Conditioning Module (Fig. 1)
_______________________
A. The air conditioning module P5-10 on the forward overhead panel has overheat lights and a test switch for the wing and lower aft body detection system.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
CARGO FIRE CONTROL PANEL - REMOVAL/INSTALLATION
_______________________________________________
1. General_______
A. This procedure has these tasks:
(1)
Removal of the Cargo Fire Control panel.
(2)
Installation of the Cargo Fire Control panel.
B. The Cargo Fire Control panel is installed on the P8 aisle control stand in the flight compartment.
TASK 26-00-02-004-001
2. Cargo Fire Control Panel Removal (Fig. 401)________________________________
A. Access
(1) Location Zones
101 Flight Compartment - Left
102 Flight Compartment - Right
B. Cargo Fire Control Panel Removal
S 864-002
(1) Open these circuit breakers and install DO-NOT-CLOSE tags:
(a) Circuit Breaker Panel, P6 or P18
1) FWD CARGO SMOKE DETECTION 1
2) FWD CARGO SMOKE DETECTION 2
3) AFT CARGO SMOKE DETECTION 1
4) AFT CARGO SMOKE DETECTION 2
5) CARGO FIRE EXTINGUISHER
S 034-003
(2)
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