APU AUTO SHUT DOWN - GEN HIGH OIL TEMP (APS 3200)
1. Possible Causes
_______________
- oil level in the APU oil reservoir is not sufficient
- LUBE-PUMP OIL FILTER (8076KM)
- GENERATOR OIL FILTER (8069KM)
- leaks on the oil system components or oil lines
- wiring
- GEN-APU (8XS)
- ECB (59KD)
2. Job Set-up Information
______________________
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 31-32-00-860-001 Procedure to Get Access to the SYSTEM REPORT/TEST
Menu Page
AMM 49-00-00-710-008 Operational Test of the APU (APS 3200)
AMM 49-61-34-000-002 Removal of the Electronic Control Box (ECB) (59KD)
(APS 3200)
AMM 49-61-34-400-002 Installation of the Electronic Control Box (ECB)
(59KD) (APS 3200)
AMM 49-90-00-600-004 Check Oil Level and Replenish (APS 3200)
AMM 49-91-00-210-002 Visual Inspection of the Lube Pump Filter (8076KM)
and Generator-Scavenge Filter (8069KM)
Differential-Pressure Indicator Position (APS 3200)
ASM 49-61/02
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 of the oil level via the MCDU SYSTEM/REPORT TEST page APU: .push the APU MASTER SW p/bsw to ON, .select the SYSTEM/REPORT TEST page APU (Ref. AMM TASK 31-32-00-860-001). .select the APU DATA/OIL page.
「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 : 106-106, 108-149, 211-299, 301-399, ∞∞49-00-00∞∞∞∞∞∞∞∞∞∞Page 251
Config-2 Aug 01/05 CES
- if the oil level in the APU oil reservoir is not sufficient, do the oil servicing (Ref. AMM TASK 49-90-00-600-004).
(3) Do a check and make sure that the LUBE-PUMP OIL FILTER (8076KM) and the GENERATOR OIL FILTER (8069KM) are serviceable (Ref. AMM TASK 49-91-00-210-002).
(4) Carefully examine the APU externally:
- make sure that you do not find leaks on the oil system components or oil lines:
(a) If you find external oil leaks:
- correct/replace as necessary.
(5) Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-008). NOTE : Operate the APU for min. 10 minutes under full load. This
____ makes sure that the oil temperature increases sufficiently.
4. Fault Isolation
_______________
A. Maintenance Action
(1) If the APU Last Leg Report gives the maintenance message:
CHECK OIL SYSTEM / GENERATOR (8XS):
Fault Code Number: 047
Additionally:
Fault Code Number: 010 or 011
NOTE : FCN 010, 011 on the Class 3 Faults Page
____
NOTE : The APU SHUTDOWNS report gives the maintenance message:
____ GEN HIGH OIL TEMP - CHECK OIL SYSTEM / GENERATOR 8XS APU Auto Shut Down Fault Code Number: 047
- do a check and repair the wiring between ECB (59KD) AB-C3,C4 and GEN-APU (8XS) P4,3 and 4 (Ref. ASM 49-61/02).
(a) If the fault continues:
- replace the GEN-APU (8XS) (Ref. AMM TASK 24-23-51-000-001) and (Ref. AMM TASK 24-23-51-400-001).
1 If the fault continues:
_
- replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-002) and (Ref. AMM TASK 49-61-34-400-002).
(2) If the APU Last Leg Report gives the maintenance message:
CHECK OIL SYSTEM / GENERATOR (8XS):
Fault Code Number: 047
「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 : 106-106, 108-149, 211-299, 301-399, ∞∞49-00-00∞∞∞∞∞∞∞∞∞∞Page 252
Config-2 Aug 01/05 CES
NOTE : The APU SHUTDOWNS report gives the maintenance message:
____ GEN HIGH OIL TEMP - CHECK OIL SYSTEM / GENERATOR 8XS APU Auto Shut Down Fault Code Number: 047
- replace the GEN-APU (8XS) (Ref. AMM TASK 24-23-51-000-001) and (Ref. AMM TASK 24-23-51-400-001).
B. Do the test given in para. 3.
TASK 49-00-00-810-903
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