(a) Before the test:
- Pull the CIRCUIT BREAKER 30WF on panel 120VU.
(b) During the test:
- Push the APU FIRE TEST BUTTON quickly and fully.
- Hold it fully during the test.
- Release it quickly.
(c) After the test:
- Close the CIRCUIT BREAKER 30WF on panel 120VU.
(2) Do the operational test of the FIRE EMERGENCY STOP RELAY (6WF) (Ref. AMM TASK 26-22-00-710-002).
NOTE : After the subsequent flight, make sure that the fault does not
____
continue.
APU FIRE EXTINGUISHING - TASK SUPPORTING DATA
_____________________________________________
APU Fire Extiguishing
Figure 301
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞26-22-00∞∞∞∞∞∞∞∞∞∞Page 302
Feb 01/98 CES
CARGO COMPARTMENT FIRE EXTINGUISHING - FAULT ISOLATION PROCEDURES
_________________________________________________________________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
TASK 26-23-00-810-801
LDCC BTL 1 AFT SQUIB Fault
1. Possible Causes
_______________
- BOTTLE-FIRE EXTING (4005WX)
- SDCU (10WQ)
- P/BSW DISCH 4WX
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 26-17-34-000-001 Removal of the Smoke-Detection Control Unit (SDCU) (10WQ) AMM 26-17-34-400-001 Installation of the Smoke-Detection Control Unit (SDCU) (10WQ) AMM 26-23-00-710-001 Operational Test of the Cargo-Compartment Fire-Extinguishing System AMM 26-23-41-000-005 Removal of the Cartridge of the Cargo Fire-Extinguisher Bottle AMM 26-23-41-400-005 Installation of the Cartridge of the Cargo Fire-Extinguisher Bottle ASM 26-23/01
3. Fault Confirmation
__________________
A. Do the operational test of the cargo-compartment fire-extinguishing system (Ref. AMM TASK 26-23-00-710-001).
4. Fault Isolation
_______________
A. If the test gives a different maintenance message:
- Do the trouble shooting procedure related to the maintenance message.
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
B. If the test gives the maintenance message CRG FIRE BTL 1 AFT SQUIB:
- replace the BOTTLE-FIRE EXTING (4005WX) (Ref. AMM TASK 26-23-41-000-005) and (Ref. AMM TASK 26-23-41-400-005).
(1) If the fault continues:
- do check of the P/BSW DISCH 4WX and replace it if necessary (Ref. ASM 26-23/01).
(2) If the fault continues:
- replace the SDCU (10WQ) (Ref. AMM TASK 26-17-34-000-001) and (Ref. AMM TASK 26-17-34-400-001).
(3) If the fault continues:
- do a check and repair the wiring between the: BOTTLE 1 (4005WX) connector A/B and SDCU (10WQ) connector AA/12A. BOTTLE 1 (4005WX) connector A/A and GND (Ref. ASM 26-23/01).
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
C. Do the test given in para. 3.
5. Close-up
________
A. Put the aircraft back to its initial configuration.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-099, 101-149, 151-199, ∞∞26-23-00∞∞∞∞∞∞∞∞∞∞Page 202
201-299, 301-399, Aug 01/05 CES
R **ON A/C 004-049, 051-099, 101-149, 151-199, 201-299, 301-399,
TASK 26-23-00-810-803
LDCC BTL 1 Low Pressure
1. Possible Causes
_______________
- BOTTLE-FIRE EXTING (4005WX)
- SDCU (10WQ)
- PBSW CARGO SMOKE/TEST (13WH)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 26-17-34-000-001 Removal of the Smoke-Detection Control Unit (SDCU) (10WQ) AMM 26-17-34-400-001 Installation of the Smoke-Detection Control Unit (SDCU) (10WQ) AMM 26-23-00-200-005 Restoration of the Fire Extinguishing System after Activation AMM 26-23-00-710-001 Operational Test of the Cargo-Compartment Fire-Extinguishing System AMM 26-23-41-000-005 Removal of the Cartridge of the Cargo Fire-Extinguisher Bottle AMM 26-23-41-400-005 Installation of the Cartridge of the Cargo Fire-Extinguisher Bottle ASM 26-23/01
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