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OIL PRESSURE INDICATING SYSTEM - FAULT ISOLATION PROCEDURES
___________________________________________________________
TASK 79-33-00-810-807
Disagree between the Oil Pressure Transmitter and the Low Oil Pressure Switch on Engine 1
1. Possible Causes
_______________
- SW-LOW OIL PRESS (4000EN)
- XMTR-OIL PRESS (4003EN)
- wiring from the EIU 1 (1KS1) to the low oil pressure switch (4000EN)
- wiring from the EIU 1 (1KS1) to the oil pressure transmitter (4003EN) R - EIU-1 (1KS1)
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 73-25-34-710-044 Read the Class 3 Faults AMM 79-33-15-000-041 Removal of the Oil Pressure Transmitter (4003EN) AMM 79-33-15-400-041 Installation of the Oil Pressure Transmitter (4003EN) AMM 79-34-15-000-041 Removal of the Low Oil Pressure Switch (4000EN) AMM 79-34-15-400-041 Installation of the Low Oil Pressure Switch (4000EN) ASM 79-36/01
R
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the Engine Interface Unit (EIU) through the Centralized Fault Display System (CFDS) to read the Class 3 Faults (Ref. AMM TASK 73-25-34-710-044).
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4. Fault Isolation
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A. If the test gives the maintenance message OIL PRESS XMTR 1 4003EN OR LOW PRESS 1 SW 4000EN:
- replace the SW-LOW OIL PRESS (4000EN) (Ref. AMM TASK 79-34-15-000-041) and (Ref. AMM TASK 79-34-15-400-041).
(1) If the fault continues:
- replace the XMTR-OIL PRESS (4003EN) (Ref. AMM TASK 79-33-15-000-
041) and (Ref. AMM TASK 79-33-15-400-041). R
R (2) If the fault continues:
R - do a check of the wiring from the EIU 1 (1KS1) to the low oil
R pressure switch (4000EN) and the wiring from the EIU 1 (1KS1) to
R the oil pressure transmitter (4003EN) pins AA/8D, 8B to pins AA/3,
R 4 (Ref. ASM 79-36/01),
R
R - repair or replace as required.
R (3) If the fault continues:
R - replace the EIU-1 (1KS1) (Ref. AMM TASK 73-25-34-000-040) and (Ref.
R AMM TASK 73-25-34-400-040).
B. Do the test given in Para. 3.A.
R (1) No additional maintenance action is required if the fault is not R confirmed.
R (2) Repeat the fault isolation procedure if the fault continues.
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TASK 79-33-00-810-808
Disagree between the Oil Pressure Transmitter and the Low Oil Pressure Switch on Engine 2
1. Possible Causes
_______________
- SW-LOW OIL PRESS(4000EN)
- XMTR-OIL PRESS (4003EN)
- wiring from the EIU 2 (1KS2) to the low oil pressure switch (4000EN)
- wiring from the EIU 2 (1KS2) to the oil pressure transmitter (4003EN)
- EIU-2 (1KS2)
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)
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本文链接地址：A320 Trouble Shooting Manual 排故手册 OIL 滑油(28)
