TASK 73-20-00-810-929
Failure of the Control of the Solenoid 2 of the Fuel Return Valve through the two Channels on Engine 1
1. Possible Causes
_______________
2. Job Set-up Information
______________________
A. Referenced Information
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REFERENCE DESIGNATION
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73-20-00-810-909 Failure of the Control of the Solenoid 2 of the Fuel Return Valve on Channel A, Engine 1 73-20-00-810-911 Failure of the Control of the Solenoid 2 of the Fuel Return Valve on Channel B, Engine 1 AMM 73-29-00-710-040 Operational Test of the FADEC on the ground (with Engine Motoring)
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the FADEC 1A and 1B on the ground (with engine motoring) (Ref. AMM TASK 73-29-00-710-040).
4. Fault Isolation
_______________
A. If the test gives the maintenance messages J7, FRV (SOL 2), ECU and J8, FRV (SOL 2), ECU:
- do the following troubleshooting procedures (Ref. TASK 73-20-00-810-909) and (Ref. TASK 73-20-00-810-911).
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Failure of the Control of the Solenoid 2 of the Fuel Return Valve through the two Channels on Engine 2
1. Possible Causes
_______________
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
73-20-00-810-910 Failure of the Control of the Solenoid 2 of the Fuel Return Valve on Channel A, Engine 2 73-20-00-810-912 Failure of the Control of the Solenoid 2 of the Fuel Return Valve on Channel B, Engine 2 AMM 73-29-00-710-040 Operational Test of the FADEC on the ground (with Engine Motoring)
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the FADEC 2A and 2B on the ground (with engine motoring) (Ref. AMM TASK 73-29-00-710-040).
4. Fault Isolation
_______________
A. If the test gives the maintenance messages J7, FRV (SOL 2), ECU and J8, FRV (SOL 2), ECU:
- do the following troubleshooting procedures (Ref. TASK 73-20-00-810-910) and (Ref. TASK 73-20-00-810-912).
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**ON A/C ALL
TASK 73-20-00-810-931
Failure of the High Pressure Shut Off Valve Switch of the HMU on Engine 1
1. Possible Causes
_______________
- hydromechanical unit (HMU)
- harness J7
- harness J8
- ECU (4000KS)
2. Job Set-up Information
______________________
R A. Fixtures, Tools, Test and Support Equipment
R -------------------------------------------------------------------------------R REFERENCE QTY DESIGNATION
R -------------------------------------------------------------------------------
R No specific bristle brush
R B. Consumable Materials
R -------------------------------------------------------------------------------R REFERENCE DESIGNATION
R -------------------------------------------------------------------------------
R Material No. CP2011 *
R stoddard solvent (Ref. 70-30-00)
R C. Referenced Information
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REFERENCE DESIGNATION
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AMM 71-00-00-710-002
AMM 73-21-10-000-002
AMM 73-21-10-400-002
AMM 73-21-50-000-040
AMM 73-21-50-000-041
R AMM 73-21-50-210-002
AMM 73-21-50-400-040
AMM 73-21-50-400-041
AMM 73-21-60-000-001
AMM 73-21-60-400-001
AMM 73-29-00-710-040
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本文链接地址：A320 Trouble Shooting Manual 排故手册 发动机燃油和控制 1(121)
