* SEE WDM EQUIPMENT LIST
Lower Cargo Compartment Fire Extinguishing System - Component Index Figure 101
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747-400
FAULT ISOLATION/MAINT MANUAL
FLIGHT COMPARTMENT
SQUIB TEST 1 SWITCH, S1
SQUIB TEST 2 SWITCH, S2
SQUIB TEST MODULE, M7327 (REF)
Lower Cargo Compartment Fire Extinguishing System - Component Location
Figure 102 (Sheet 1)
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C79816
A
747-400 FAULT ISOLATION/MAINT MANUAL
FILTER/DRIER REGULATOR
SEEF G SHT 4
LOWER CARGO FIRE
EXTINGUISHER BOTTLES,
M6742,M7906,M2807,M7908
SEE C
BOTTLE
SEE D M6742 EXT BOTTLE D, CARGO FIRE SHT 3 SEE D SHT 3 CARGO FIRE M7908 EXT BOTTLE C, FILLER PORT/ SAFETY RELIEF SEE D SHT 3 M7907 EXT BOTTLE B, CARGO FIRE SHT 3SEE D M7906 EXT BOTTLE A, CARGO FIRE FILLER PORT/ SAFETY RELIEF SWITCH (REF) PRESSURE
BOTTLE
BOTTLE
BOTTLE
BOTTLE
D
C
B
A
BOTTLE
GROUND LUG
PRESSURE
ASSEMBLY
SWITCH (REF)
LOWER CARGO FIRE EXTINGUISHER BOTTLES, M6742,M7906,M7907,M7908 C Lower Cargo Compartment Fire Extinguishing System - Component Location Figure 102 (Sheet 2)
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747-400
FAULT ISOLATION/MAINT MANUAL
PRESSURE
GROUND
CARTRIDGE)
LUG (REF)
SQUIB DISCHARGE ASSEMBLY
Lower Cargo Compartment Fire Extinguishing System - Component Location
Figure 102 (Sheet 3)
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747-400 FAULT ISOLATION/MAINT MANUAL
REGULATOR
Lower Cargo Compartment Fire Extinguishing System - Component Location
Figure 102 (Sheet 4)
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747-400 MAINTENANCE MANUAL
LOWER CARGO COMPARTMENT FIRE EXTINGUISHING SYSTEM - ADJUSTMENT/TEST
___________________________________________________________________
1. General_______
A. This section contains an operational test and system tests for the lower cargo fire extinguishing system.
(1)
The operational test makes sure the system will operate correctly. The operational test uses only test equipment installed on the airplane.
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