TASK 77-00-00-810-835
Loss of N1 Indication on Engine 1 or 2
1. Possible Causes
_______________
- DMC-1 (1WT1)
- aircraft wiring
2. Job Set-up Information
______________________
A. Referenced Information
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REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 31-63-34-000-001 Removal of the DMC (1WT1,1WT2,1WT3)
AMM 31-63-34-400-001 Installation of the DMC (1WT1,1WT2,1WT3)
AMM 71-00-00-710-006 Minimum Idle Check
3. Fault Confirmation
__________________
A. Test
(1) Do a check to see if the N1 indication is XX on the upper ECAM display unit with the DMC3 switched on.
4. Fault Isolation
_______________
A. If N1 indication is not XX on the upper ECAM display unit with the DMC3 switched on:
(1) Replace the DMC-1 (1WT1) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001).
B. If N1 indication is XX on the upper ECAM display unit with the DMC3 switched on:
(1) Do a check and repair the aircraft wiring between the N1 sensor (4000EV), the ECU (4000KS) and the DMC (1WT1).
C. Do a minimum idle check (Ref. AMM TASK 71-00-00-710-006).
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TASK 77-00-00-810-836
Loss of N2 Indication on Engine 1 or 2
1. Possible Causes
_______________
- DMC-1 (1WT1)
- aircraft wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 31-63-34-000-001 Removal of the DMC (1WT1,1WT2,1WT3)
AMM 31-63-34-400-001 Installation of the DMC (1WT1,1WT2,1WT3)
AMM 71-00-00-710-006 Minimum Idle Check
3. Fault Confirmation
__________________
A. Test
(1) Do a check to see if the N2 indication is XX on the upper ECAM display unit with the DMC3 switched on.
4. Fault Isolation
_______________
A. If N2 indication is not XX on the upper ECAM display unit with the DMC3 switched on:
(1) Replace the DMC-1 (1WT1) (Ref. AMM TASK 31-63-34-000-001) and (Ref. AMM TASK 31-63-34-400-001).
B. If N2 indication is XX on the upper ECAM display unit with the DMC3 switched on:
(1) Do a check and repair the aircraft wiring between the N2 sensor (4001EV), the ECU (4000KS) and the DMC (1WT1).
C. Do a minimum idle check (Ref. AMM TASK 71-00-00-710-006).
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TASK 77-00-00-810-849
EGT Overlimit on Engine 1 or 2
1. Possible Causes
_______________
- engine R - HPTACC valve
- VBV system
- VSV system
- IP Bleed Check Valve
- HJ13 harness
- ECU (4000KS)
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific bristle brush
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2010 *
white spirit (Ref. 70-30-00)
Material No. CP2011 *
stoddard solvent (Ref. 70-30-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-32-00-860-001 Procedure to Get Access to the SYSTEM REPORT/TEST Menu Page AMM 36-11-00-710-001 Operational Test to read the CURRENT STATUS of the
Engine Bleed Air System AMM 72-00-00-100-026 Washing of the Engine Gas Path with Pure Water AMM 72-00-00-200-006 Inspection/Check of Foreign Objet Damage (FOD) (Bird
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