4. Fault Isolation
_______________
A. Read:
- the FQIS STATUS Page, CFDS (FUEL) - 06 FQIC Software Standard
- the FLSS STATUS Page, CFDS (FUEL) - 07 FQIC Software Standard.
(1) For the related XFR VALVE message shown see:
- (Ref. TASK 28-15-00-810-823) for the Left Wing Forward Intercell XFR VALVE 27QM/70QM/9QP failure
- (Ref. TASK 28-15-00-810-824) for the Left Wing Rear Intercell XFR VALVE 28QM/71QM/11QP failure
- (Ref. TASK 28-15-00-810-825) for the Right Wing Forward Intercell XFR VALVE 29QM/72QM/10QP failure
- (Ref. TASK 28-15-00-810-826) for the Right Wing Rear Intercell XFR VALVE 30QM/73QM/12QP failure.
「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, ∞∞28-15-00∞∞∞∞∞∞∞∞∞∞Page 281
201-299, 401-499, Aug 01/05 CES
TASK 28-15-00-810-823
Intercell XFR System - Left Valve Shows XX, CFDS (FUEL) Reports L/FWD Valve
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
WARNING : WHEN YOU DO WORK ON THE FUEL SYSTEM WIRING, YOU MUST USE TEST
_______ EQUIPMENT THAT IS APPROVED (REFER TO INTERNATIONAL OR NATIONAL SPECIFICATIONS FOR INTRINSICALLY SAFE TEST EQUIPMENT, E.G. EN50-020, UL913 OR EQUIVALENT). TEST EQUIPMENT THAT IS NOT APPROVED CAN CAUSE FIRE OR AN EXPLOSION.
1. Possible Causes
_______________
- ACTUATOR-TRANSFER VALVE, L FWD SPAR (9QP)
- aircraft wiring
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific multimeter
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 28-15-00-710-002 Operational Check of Individual Transfer Valves to
Ensure Valve Shaft Rotates Valve to Open Position AMM 28-15-51-000-001 Removal of the Actuator 9QP(10QP) AMM 28-15-51-400-001 Installation of the Actuator 9QP(10QP) ASM 28-15/02
3. Fault Confirmation
__________________
A. Do the Operational Test of the Intercell Transfer Valves (Ref. AMM TASK 28-15-00-710-002).
NOTE : The intercell transfer valves (ICTVs) are motor driven and the
____ power for these circuits is derived from the main power. The ICTVs are immobilized on battery power.
「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, ∞∞28-15-00∞∞∞∞∞∞∞∞∞∞Page 282
201-299, 401-499, Aug 01/05 CES
4. Fault Isolation
_______________
A. If the Left Intercell Transfer Valve continues to show XX on the FUEL System Display (lower ECAM DU), and the CFDS(FUEL) reports the Left Forward Valve, disconnect the electrical connector, from the ACTUATOR-TRANSFER VALVE, L FWD SPAR (9QP).
NOTE : During normal Actuator-Transfer Valve, Left Forward Spar (9QP)
____ operation, 28VDC is supplied to the electrical connector: - on the pin A for OPEN - on the pin B for SHUT.
(1) Check with a multimeter, at the electrical supply cable connector (Ref. ASM 28-15/02) to see if:
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