- RELAY-ENG/MASTER 2 (12QG)
- ACTUATOR-LP FUEL VALVE, ENG 2 (10QG)
- VALVE-LP FUEL, ENG 2 (13QM)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 28-24-00-710-002 Operational Test of the ENG 1(2) LP Fuel Valve 12QM
(13QM)
R AMM 28-24-41-000-001 Removal of the LP Fuel Valve 12QM(13QM)
R AMM 28-24-41-400-001 Installation of the LP Fuel Valve 12QM(13QM) AMM 28-24-51-000-001 Removal of the LP Fuel Valve Actuator AMM 28-24-51-400-001 Installation of the LP Fuel Valve Actuator AMM 71-00-00-710-003 Engine Automatic Start ASM 28-24/01 ASM 76-12/01
3. Fault Confirmation
__________________
A. Test
(1) Not applicable, the fault is evident.
4. Fault Isolation
_______________
A. Table of the circuit breakers used in this procedure:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FUEL/LP VALVE/MOT1/ENG2 2QG A09 121VU FUEL/LP VALVE/MOT2/ENG2 4QG M26
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E B. If the fault symptom is identified by the CFDS message MASTER LEVER, HMU:
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- make sure that the LP fuel valve is open (Ref. AMM TASK 28-24-00-710-002).
(1) If the valve is not open:
- do a check of the aircraft wiring between the circuit breakers (2QG), (4QG) and the ENG 2 LP fuel valve actuator (10QG) pins AA/A, BB/A (Ref. ASM 76-12/01) and (Ref. ASM 28-24/01).
(a) If there is no continuity:
- repair the above wiring or/and replace the RELAY-ENG/MASTER 2 (12QG).
(b) If there is continuity:
- replace the ACTUATOR-LP FUEL VALVE, ENG 2 (10QG) (Ref. AMM TASK 28-24-51-000-001) and (Ref. AMM TASK 28-24-51-400-001).
(c) If the fault continues:
- replace the VALVE-LP FUEL, ENG 2 (13QM) (Ref. AMM TASK 28-24-41-000-001) and (Ref. AMM TASK 28-24-41-400-001).
C. Test
(1) Start the engine 2 by the engine automatic start procedure (Ref. AMM TASK 71-00-00-710-003).
(2) Make sure that there is no ECAM and CFDS fault message shown.
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TASK 76-12-00-810-812
Failure of the Control of the Fuel Shut-off Valve on Engine 1
1. Possible Causes
_______________
- aircraft wiring
- RELAY-ENG/MASTER 1 (11QG)
- ACTUATOR-LP FUEL VALVE, ENG 1 (9QG)
- VALVE-LP FUEL, ENG 1 (12QM)
- CTL SW-ENG/MASTER 1 (3KC)
- fuel pump and filter assembly
- HMU
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 28-24-00-710-002 Operational Test of the ENG 1(2) LP Fuel Valve 12QM
(13QM) R AMM 28-24-41-000-001 Removal of the LP Fuel Valve 12QM(13QM) R AMM 28-24-41-400-001 Installation of the LP Fuel Valve 12QM(13QM)
AMM 28-24-51-000-001 Removal of the LP Fuel Valve Actuator AMM 28-24-51-400-001 Installation of the LP Fuel Valve Actuator AMM 71-00-00-710-003 Engine Automatic Start AMM 73-11-10-000-003 Removal of the Fuel Pump and Filter Assembly AMM 73-11-10-400-003 Installation of the Fuel Pump and Filter Assembly AMM 73-21-10-000-002 Removal of the Hydromechanical Unit (HMU) AMM 73-21-10-400-002 Installation of the Hydromechanical Unit (HMU) ASM 28-24/01 ASM 76-12/01
3. Fault Confirmation
__________________
A. Test
(1) Not applicable, the fault is evident.
4. Fault Isolation
_______________
A. Table of the circuit breakers used in this procedure:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FUEL/LP VALVE/MOT1/ENG1 1QG A08 121VU FUEL/LP VALVE/MOT2/ENG1 3QG M25
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