- replace the OIL HEATER (8093KM) (Ref. AMM TASK 49-96-51-000-002) and (Ref. AMM TASK 49-96-51-400-002).
(2) If there is no ground signal:
- do a check and repair of the wiring from the APU OIL HEATER (8093KM) P6/1 to GND (Ref. ASM 49-96/01).
(3) If there is no 115 VAC:
- replace the APU MAIN RELAY (32KD)
NOTE : The APU MAIN RELAY (32KD) is installed in the CONTACTOR BOX
____
(107VU).
(a) If the fault continues:
- do a check and repair of the wiring from the APU OIL HEATER (8093KM) P6/1 to GND (Ref. ASM 49-96/01).
(b) If the fault continues:
- replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-003) (Ref. AMM TASK 49-61-34-400-003).
R **ON A/C 001-049, 101-105, 107-107, 151-199, 201-210,
B. After the subsequent flight, make sure that the fault does not continue.
NOTE : Make sure that:
____
- the cruise phase of the flight was more than 4 hours,
- the APU was not started during the flight phase.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 101-105, 107-107, 151-199, ∞∞49-00-81∞∞∞∞∞∞∞∞∞∞Page 294
201-210, Config-1 Aug 01/05 CES
TASK 49-00-81-810-834
APU AUTO SHUTDOWN - NO ACCELERATION, Starter Motor Fault (131-9(A))
1. Possible Causes
_______________
- STARTER MOTOR SHOWS OPEN CIRCUIT
- STARTER MOTOR SHOWS SHORT CIRCUIT
- damage/contamination of the wiring and the electrical connections
- aircraft wiring
- STARTER MOTOR (8KA)
- APU internal damage
- STARTER-CLUTCH MODULE
- OIL-LUBE MODULE
- FUEL CONTROL UNIT (P19)
- APU (4005KM)
- FUEL CONTROL UNIT (8022KM)
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific ratchet
No specific socket
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 49-00-00-860-008 APU Start by External Power (131-9(A))
AMM 49-11-11-000-004 Removal of the Power Plant (APU) (131-9(A))
AMM 49-11-11-400-004 Installation of the Power Plant (APU) (131-9(A))
AMM 49-32-11-000-003 Removal of the Fuel Control Unit (FCU) (8022KM)
(131-9(A)) AMM 49-32-11-400-003 Installation of the Fuel Control Unit (FCU) (8022KM)
(131-9(A)) AMM 49-42-51-000-004 Removal of the Starter Motor (131-9(A)) AMM 49-42-51-200-007 Inspection/ Check of the Starter Motor (131-9(A)) AMM 49-42-51-400-004 Installation of the Starter Motor (131-9(A)) AMM 49-42-52-000-003 Removal of the Starter Motor Clutch (8033KM)
(131-9(A))
AMM 49-42-52-400-003 Installation of Starter Motor Clutch (8033KM)
(131-9(A))
AMM 49-91-42-200-004 Inspection of the Magnetic- Drain Plug (8077KM)
(131-9(A))
AMM 49-91-45-000-003 Removal of Oil Lube Module (8080KM) (131-9(A))
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 101-105, 107-107, 151-199, ∞∞49-00-81∞∞∞∞∞∞∞∞∞∞Page 295
201-210, Config-1 Aug 01/05 CES -------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 49-91-45-400-003 Installation of Oil Lube Module (8080KM) (131-9(A))
3. Fault Confirmation
__________________
A. Read-out of ECB Trouble-Shooting Data
(1) Put the APU MASTER SW to the ON position.
(2) Get access to the APU SHUTDOWN report.
(3) Push the '>' adjacent to LRU DATA:
- the MCDU menu shows
STARTER MOTOR SHOWS OPEN CIRCUIT
STARTER MOTOR SHOWS SHORT CIRCUIT
(4) Start the APU and apply Bleed Air for 20 seconds, minimum (Ref. AMM TASK 49-00-00-860-008).
4. Fault Isolation
_______________
A. If an APU auto shutdown occurs during the APU operation and the APU SHUTDOWN report gives the maintenance message:
NO ACCELERATION
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