(131-9(A)) AMM 49-23-14-400-001 Installation of the Sensor-APU Inlet Temperature (8010KM) (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 49-51-21-000-001 Removal of the Transducer - APU Inlet Pressure (8048KM) (131-9(A)) AMM 49-51-21-400-001 Installation of the Transducer - APU Inlet Pressure (8048KM) (131-9(A)) AMM 49-61-34-000-003 Removal of the Electronic Control Box (ECB) (131-9(A))
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 49-61-34-400-003 Installation of the Electronic Control Box (ECB) (131-9(A)) AMM 49-91-42-200-004 Inspection of the Magnetic- Drain Plug (8077KM) (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
NO LRU FAULT DETECTED
(4) Start the APU and apply Bleed Air for 20 seconds, minimum (Ref. AMM TASK 49-00-00-860-008).
4. Fault Isolation
_______________
R **ON A/C 001-049, 101-105, 107-107, 151-154, 201-207,
A. If an APU auto shutdown occurs during the APU operation and the APU SHUTDOWN report gives the maintenance message:
OVERTEMPERATURE
FUEL CONTROL UNIT P19 / FLOW DIVIDER ASSEMBLY
associated with Fault Code Number (FCN) 206
- do a check for APU internal damage:
- do a check for contamination of the MAGNETIC-DRAIN PLUG (Ref. AMM TASK 49-91-42-200-004).
NOTE : If the MAGNETIC-DRAIN PLUG is not contaminated, continue without
____
starting the APU
- .
- remove the end cap of the STARTER MOTOR (8KA).
- use a socket and a ratchet on the shaft of the STARTER MOTOR (8KA) to turn the APU counterclockwise (in the direction of the arrow on the housing).
- make sure that the APU rotates freely.
「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 232
201-210, Config-1 Aug 01/05 CES (1) If the APU rotates freely:
- replace the FUEL CONTROL UNIT (P19) (Ref. AMM TASK 49-32-11-000-003) and (Ref. AMM TASK 49-32-11-400-003)
(a) If the fault continues:
- replace the APU INLET PRESSURE TRANSDUCER (P22) (Ref. AMM TASK 49-51-21-000-001) and (Ref. AMM TASK 49-51-21-400-001).
NOTE : The APU can have a normal start on the ground and fail a
____ start in the air if the proper ambient corrections are not made (calibration shift).
(b) If the fault continues:
- replace the APU INLET TEMPERATURE SENSOR (P6) (Ref. AMM TASK 49-23-14-000-001) and (Ref. AMM TASK 49-23-14-400-001).
NOTE : The APU can have a normal start on the ground and fail a
____ start in the air if the proper ambient corrections are not made (calibration shift).
(c) If the fault continues:
- replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-003) and (Ref. AMM TASK 49-61-34-400-003).
(2) If the APU does not rotate freely:
- replace the APU (4005KM) (Ref. AMM TASK 49-11-11-000-004) and (Ref. AMM TASK 49-11-11-400-004).
**ON A/C 001-049, 101-105, 151-199, 201-210,
Post SB 49-1062 For A/C 001-049,101-105,151-154,201-207,
A. If an APU auto shutdown occurs during the APU operation and the APU SHUTDOWN report gives the maintenance message:
OVERTEMPERATURE
FUEL CTRL UNIT (8022KM)/ FLOW DIVIDER (8024KM)
associated with Fault Code Number (FCN) 206
- do a check for APU internal damage:
- do a check for contamination of the MAGNETIC-DRAIN PLUG (Ref. AMM TASK 49-91-42-200-004).
NOTE : If the MAGNETIC-DRAIN PLUG is not contaminated, continue without
____
starting the APU
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