A320 Trouble Shooting Manual 排故手册 机载辅助动力 1(19)

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______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
AMM 24-23-51-000-001 Removal of the APU Generator 8XS AMM 24-23-51-400-001 Installation of the APU Generator 8XS AMM 49-00-00-710-004 Operational Test of the APU (4005KM) (GTCP 36-300) AMM 49-00-00-860-003 APU Start by External Power (GTCP 36-300) AMM 49-11-11-000-001 Removal of the Auxiliary Power Unit (APU) - 4005KM
 (GTCP 36-300) AMM 49-11-11-400-001 Installation of the Auxiliary Power Unit (APU) -
4005KM (GTCP 36-300) AMM 49-52-51-000-001 Removal of the Fan Assembly (8053KM) (GTCP 36-300) AMM 49-52-51-400-001 Installation of the Fan Assembly (8053KM) (GTCP
 36-300) AMM 49-61-34-000-001 Removal of the Electronic Control Box (ECB) (59KD) (GTCP 36-300) AMM 49-61-34-400-001 Installation of the Electronic Control Box (ECB) (59KD) (GTCP 36-300)
 AMM 49-91-00-210-001  Check Lube and Alternator-Scavenge Filter Differential Pressure Indicator Position (Pop out not protruding) (GTCP 36-300)
 AMM 49-91-44-000-001 Removal of the Oil Cooler (8079KM) (GTCP 36-300) AMM 49-91-44-400-001 Installation of the Oil Cooler (8079KM) (GTCP 36-300)
 「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 : 001-003, 051-099, 401-499, ∞∞49-00-00∞∞∞∞∞∞∞∞∞∞Page 254
 Config-1 Aug 01/05 CES

 

 -------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 49-91-52-000-001  Removal of the Generator Scavenge Pump (8085KM) (GTCP 36-300)
 AMM 49-91-52-400-001  Installation of the Generator Scavenge Pump (8085KM) (GTCP 36-300)
 AMM 49-94-13-000-001  Removal of the High Oil-Temperature Switch (8090KM) (GTCP 36-300)
 AMM 49-94-13-400-001  Installation of the High Oil-Temperature Switch (8090KM) (GTCP 36-300)
 3. Fault Confirmation__________________
 A. Do the subsequent checks and the operational test of the APU.
 (1) Do a check and make sure that the cooling fan inlet duct, the oil cooler inlet duct and the oil cooler outlet duct are correctly attached and in the correct condition.

 - correct/replace as necessary.

 (2) Do a check with your hand for soft areas and damage for components which follow:

 - cooling fan inlet-duct (collapsed);

 - cooling fan outlet-duct;
 - oil cooler inlet-duct.

 

 

 NOTE : Replace damaged component as necessary.
____

 (a) If a hand check does not confirm the fault but a damaged duct is still suspected:
 - do a start (Ref. AMM TASK 49-00-00-860-003) of the APU to look for duct collapse.
 (3) Do a check and make sure that the LUBE-PUMP OIL FILTER and the GENERATOR OIL FILTER indicators are not protruded (Ref. AMM TASK 49-91-00-210-001).

 (4) Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-004).

 NOTE : Operate the APU for min. 15 minutes under full load. This
____ makes sure that the oil temperature increases sufficiently.

 4. Fault Isolation
_______________

 **ON A/C 001-003, 051-062,
 A. If an APU auto shutdown occurs during the operational test of the APU and the APU SHUTDOWNS report gives the maintenance message:
 HIGH OIL TEMPERATURE - OIL COOLER OR COOLING FAN OR GEN SCAVENGE PUMP:
 - replace the OIL TEMPERATURE SWITCH P11 (Ref. AMM TASK 49-94-13-000-001) and (Ref. AMM TASK 49-94-13-400-001).
 (1) If the fault continues:

 - replace the OIL COOLER (Ref. AMM TASK 49-91-44-000-001)and (Ref. AMM TASK 49-91-44-400-001).

 (2) If the fault continues:

 - replace the COOLING FAN (Ref. AMM TASK 49-52-51-000-001) and (Ref. AMM TASK 49-52-51-400-001).

 (3) If the fault continues:

 - replace the GENERATOR SCAVENGE PUMP (Ref. AMM TASK 49-91-52-000-001) and (Ref. AMM TASK 49-91-52-400-001).

 (4) If the fault continues:

 - replace the APU GENERATOR(8XS) (Ref. AMM TASK 24-23-51-000-001) and (Ref. AMM TASK 24-23-51-400-001).

 (5) If the fault continues:

 - replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-001) and (Ref. AMM TASK 49-61-34-400-001).

 (6) If the fault continues:

 - replace the AUXILIARY POWER UNIT (4005KM) (Ref. AMM TASK 49-11-11-000-001) and (Ref. AMM TASK 49-11-11-400-001).
R **ON A/C 063-099, 401-499,
 A. If an APU auto shutdown occurs during the operational test of the APU and the APU SHUTDOWNS report gives the maintenance message:
　
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