- SEL SW-ENG/MODE/CRANK/AUTO IGN/IGN (6KS)
- ECU (4000KS)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 31-10-00-700-001 Test Program after Removal/Installation of a VU panel AMM 71-00-00-710-003 Engine Automatic Start AMM 73-21-60-000-001 Removal of the Electronic Control Unit (ECU)(4000KS) AMM 73-21-60-400-001 Installation of the Electronic Control Unit
(ECU)(4000KS)
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)
ASM 74-31/01
R AWM 73-25-09
R AWM 76-12-01
3. Fault Confirmation
__________________
A. Test
(1) Not applicable, the fault is evident.
4. Fault Isolation
_______________
A. If the fault symptom is identified by the crew observation : ENG1 STARTING - opening of the starter shutoff valve not possible in automatic mode:
(1) Remove the panel 115VU and do a check and repair the aircraft wiring between:
- the ENG/MASTER 1 control switch (3KC) and the EIU1 (1KS1), pins AA/5A, 5E to pins 2A, 3A
- the ENG/MODE/CRANK/AUTO IGN/IGN selector switch (6KS) and the EIU1 (1KS1), pins AA/1A, 1B, 1C to pins 2, 3, 4.
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(2) Do a check and repair the aircraft wiring between the EIU1 (1KS1) and the ECU (4000KS) (Ref. ASM 74-31/01).
(3) 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).
(4) If the fault continues: R - replace the CTL SW-ENG/MASTER 1 (3KC) (Ref. AWM 76-12-01) and/or R - replace the SEL SW-ENG/MODE/CRANK/AUTO IGN/IGN (6KS) (Ref. AWM 73-R 25-09).
- install the panel 115VU and do a test program after removal/installation of a VU panel. (Ref. AMM TASK 31-10-00-700-001)
(5) If the fault continues:
- replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001) and (Ref. AMM TASK 73-21-60-400-001).
B. If the starter shutoff valve does not open in manual mode:
(1) Do a check and repair the aircraft wiring between the ENG/MAN START/1 pushbutton switch (9KS1) and the EIU1 (1KS1), pin AA/1F to pin AA3.
(2) Do a check and repair the aircraft wiring between the EIU1 (1KS1) and the ECU (4000KS) (Ref. ASM 74-31/01).
(3) 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).
(4) If the fault continues:
- replace the CTL SW-ENG/MASTER 1 (3KC) and or
- replace the SEL SW-ENG/MODE/CRANK/AUTO IGN/IGN (6KS).
(5) If the fault continues:
- replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001) and (Ref. AMM TASK 73-21-60-400-001).
C. Do an engine automatic start procedure (Ref. AMM TASK 71-00-00-710-003).
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TASK 80-00-00-810-836
Failure of the Starter Shutoff Valve on Engine 2
1. Possible Causes
_______________
- EIU-2 (1KS2)
- aircraft wiring
- CTL SW-ENG/MASTER2 (2KS)
- SEL SW-ENG/MODE/CRANK/AUTO IGN/IGN (6KS)
- ECU (4000KS)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 31-10-00-700-001 Test Program after Removal/Installation of a VU panel AMM 71-00-00-710-003 Engine Automatic Start AMM 73-21-60-000-001 Removal of the Electronic Control Unit (ECU)(4000KS) AMM 73-21-60-400-001 Installation of the Electronic Control Unit
(ECU)(4000KS)
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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