(5) If no oil leakage/smoke from the forward sump drain, oil wetting on the HPC stage 1 and 2 blades, oil wetting on the booster inlet and the forward sump pressurizing tubes was identified:
(a) clean and do the decontamination of the Environmental Control R System (ECS) (Ref. AMM TASK 21-00-00-615-003) or (Ref. AMM TASK R 21-00-00-615-004).
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Fuel Leak at the Engine 1 Drain Mast During an Engine Start in Case of Extreme Cold Condition (OAT less than -20 deg.C)
1. Possible Causes
_______________
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 71-00-00-710-004 Engine Manual Start
3. Fault Confirmation
__________________
A. Not applicable.
4. Fault Isolation
_______________
A. If the fault symptom is identified by the crew observation fuel leak at the drain mast during an engine start (OAT less than -20 deg.C):
- do the maintenance procedure (Static fuel leaks in case of extreme cold condition) (Ref. AMM TASK 71-00-00-710-004).
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Fuel Leaks at the Engine 2 Drain Mast During an Engine Start in Case of Extreme Cold Condition (OAT less than -20 deg.C)
1. Possible Causes
_______________
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 71-00-00-710-004 Engine Manual Start
3. Fault Confirmation
__________________
A. Not applicable.
4. Fault Isolation
_______________
A. If the fault symptom is identified by the crew observation fuel leak at the drain mast during an engine start (OAT less than -20 deg.C):
- do the maintenance procedure (Static fuel leaks in case of extreme cold condition) (Ref. AMM TASK 71-00-00-710-004).
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1. Possible Causes
High Idle Speed on both Engines _______________
- CONT-ZONE TEMPERATURE (8HK)
- P/BSW-ANTI ICE/WING (3DL)
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 21-63-34-000-001
AMM 21-63-34-400-001
AMM 71-00-00-710-043
ASM 73-25/06
AWM 30-11-01
3. Fault Confirmation
__________________
A. Test
(1) Not applicable.
4. Fault Isolation
_______________
Removal of the Zone Controller (8HK)Installation of the Zone Controller (8HK)Normal Engine Automatic Start Procedure
A. If the fault symptom is identified by a high idle speed on both engines:
- replace the CONT-ZONE TEMPERATURE (8HK) (Ref. AMM TASK 21-63-34-000-001) and (Ref. AMM TASK 21-63-34-400-001).
(1) If the fault continues:
- do a check of the aircraft wiring between the CONT-ZONE TEMPERATURE (8HK) and both EIU (Ref. ASM 73-25/06):
(a) 8HK pins AA/1J, 2J to the first terminal block.
(b) 8HK pins AA/1B, 2B to the first terminal block.
(2) If nothing is found or if the fault continues: R - with the ANTI ICE/WING pushbutton switch (3DL) released, make sure R that there is ground at pin AA/C2 of this pushbutton switch.
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本文链接地址：A320 Trouble Shooting Manual 排故手册 动力装置 POWER PLANT(4)
