(1KS1,1KS2)
AMM 73-25-34-710-043 Operational Test of the Engine Interface Unit
ASM 73-25/09
3. Fault Confirmation
__________________
A. Do the operational test of the Engine Interface Unit (EIU) through the Centralized Fault Display System (CFDS) (Ref. AMM TASK 73-25-34-710-043).
4. Fault Isolation
_______________
A. If the test gives the maintenance message CHECK 10KS2 RELAY CIRCUIT OR EIU 2:
- replace the RELAY-OIL LOW PRESS AND GROUND, ENG2 (10KS2) or/and the RELAY-OIL LOW PRESS AND GROUND, ENG2 (11KS2) (Ref. ASM 73-25/09).
(1) If the fault continues:
- replace the EIU-2 (1KS2) (Ref. AMM TASK 73-25-34-000-040) and (Ref. AMM TASK 73-25-34-400-040).
(2) If the fault continues:
- do a check and repair the wiring from the EIU (1KS2) to the relays (10KS2) or/and (11KS2) pin AB/9D to pins AA/X, Z of the two relays (Ref. ASM 73-25/09).
B. Do the test given in Para. 3.A.
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TASK 73-25-00-810-849
Failure of the Oil Low Pressure and Ground Relay on Engine 1
1. Possible Causes
_______________
- EIU-1 (1KS1)
- RELAY-OIL LOW PRESS AND GROUND, ENG1 (12KS1)
- wiring from the EIU 1 (1KS1) to the relay (12KS1)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 73-25-34-000-040 Removal of the Engine Interface Unit (EIU)
(1KS1,1KS2)
AMM 73-25-34-400-040 Installation of the Engine Interface Unit (EIU)
(1KS1,1KS2)
AMM 73-25-34-710-043 Operational Test of the Engine Interface Unit
ASM 73-25/09
3. Fault Confirmation
__________________
A. Do the operational test of the Engine Interface Unit (Ref. AMM TASK 73-25-34-710-043).
4. Fault Isolation
_______________
A. If the test gives the maintenance message CHECK 12KS1 RELAY CIRCUIT OR EIU 1:
- replace the RELAY-OIL LOW PRESS AND GROUND, ENG1 (12KS1).
(1) If the fault continues:
- replace the EIU-1 (1KS1) (Ref. AMM TASK 73-25-34-000-040) and (Ref. AMM TASK 73-25-34-400-040).
(2) If the fault continues:
- do a check and repair the wiring from the EIU 1 (1KS1) to the relay (12KS1) pin AB/9C to pins AA/X, Z (Ref. ASM 73-25/09).
B. Do the test given in Para. 3.A.
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TASK 73-25-00-810-850
Failure of the Low Oil Pressure and Ground Relay on Engine 2
1. Possible Causes
_______________
- EIU-2 (1KS2)
- RELAY-OIL LOW PRESS AND GROUND, ENG2 (12KS2)
- wiring from the EIU 2 (1KS2) to the relay (12KS2)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 73-25-34-000-040 Removal of the Engine Interface Unit (EIU)
(1KS1,1KS2)
AMM 73-25-34-400-040 Installation of the Engine Interface Unit (EIU)
(1KS1,1KS2)
AMM 73-25-34-710-043 Operational Test of the Engine Interface Unit
ASM 73-25/09
3. Fault Confirmation
__________________
A. Test Do the operational test of the Engine Interface Unit (Ref. AMM TASK 73-25-34-710-043).
4. Fault Isolation
_______________
A. If the test gives the maintenance message CHECK 12KS2 RELAY CIRCUIT OR EIU 2:
- replace the RELAY-OIL LOW PRESS AND GROUND, ENG2 (12KS2).
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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 2(38)
