(2)
The system tests increase the scope of the operational test to check all performance requirements of the system.
(3)
The system tests include these tasks and sections:
(a)
Squib Discharge Circuit Test
(b)
Bottle Pressure Switch Tests
1) Bottle A
2) Bottle B
3) Bottle C
4) Bottle D
(c)
Non-Metered Discharge Line Test
1) Forward
2) Aft
(d)
Metered Discharge Line Test
1) Forward
2) Aft
TASK 26-23-00-715-001
2. Operational Test - Bottle Squib Circuit (Fig. 501)__________________________________________________
A. References
(1)
AMM 24-22-00/201, Manual Control
(2)
AIPC 26-23-01, Fig. 2
(3)
WDM 26-23-11 thru WDM 26-23-12
(4)
SSM 26-23-01
B. Access
(1) Location Zone
221 Control Cabin, LH
222 Control Cabin, RH
C. Prepare for Test
S 865-002
(1)
Supply the electrical power (AMM 24-22-00/201).
S 865-003
(2)
Close these circuit breakers:
(a) P6 Main Power Distribution Panel 1) 6H6 FIRE EXTINGUISHER LOWER CARGO 2) 6L4 FLT DECK LIGHT CAPT IND
D. Procedure
S 865-004
(1) At SQUIB TEST MODULE M7327 on P461 pilot's overhead maintenance panel, push and hold the TEST 1 switch.
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MAINTENANCE MANUAL
SQUIB TEST SWITCHES
ARMING (WHITE) AND (AMBER) SQUIB
SMOKE INDICATION (RED) SWITCH INDICATION
SWITCHES LIGHTS
Lower Cargo Compartment Fire Extinguishing System - Component Location
Figure 501 (Sheet 1)
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MAINTENANCE MANUAL
LOWER CARGO FIRE EXTINGUISHER BOTTLES
SEE C
FILLER PORT/ FILLER PORT/ SAFETY RELIEF SAFETY RELIEF (EXAMPLE) (EXAMPLE)
BOTTLE BOTTLE BOTTLE BOTTLE
D C B A
(M6742) (M7908) (M7907) (M7906)
SQUIB ASSEMBLY GROUND LUG BOTTLE PRESSURE
(EXAMPLE) ASSEMBLY SWITCH (EXAMPLE)
(2 PER BOTTLE) (EXAMPLE)
LOWER CARGO FIRE EXTINGUISHER BOTTLES
C
Lower Cargo Compartment Fire Extinguishing System - Component Location
Figure 501 (Sheet 2)
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747-400 MAINTENANCE MANUAL
S 745-005
(2)
Make sure the cargo squib lights A, B, C, and D come on (green).
S 865-006
(3)
Release the TEST 1 switch.
S 745-007
(4)
Make sure the test lights go off.
S 865-008
(5)
Push and hold the TEST 2 switch.
S 745-009
(6)
Make sure the cargo squib lights A, B, C, and D come on (green).
S 865-010
(7)
Release the TEST 2 switch.
S 745-011
(8)
Make sure the test lights go off.
S 865-012
(9)
Remove the electrical power if it is not necessary (AMM 24-22-00/201).
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本文链接地址：747-400 AMM 飞机维护手册 防火 FIRE PROTECTION 2(114)
