- replace the GEN-APU (8XS) (Ref. AMM TASK 24-23-51-000-001) and (Ref. AMM TASK 24-23-51-400-001).
「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 272
Config-1 Aug 01/05 CES
(1) If the fault continues:
- replace the GENERATOR SCAVENGE PUMP (8085KM) (Ref. AMM TASK 49-91-52-000-001) and (Ref. AMM TASK 49-91-52-400-001).
(2) 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).
(3) If the fault continues:
- do a check and repair the wiring from the ECB (59KD) AB/C3, C4 to the APU GENERATOR (8XS) P4/3, 4 (Ref. ASM 49-61/02)
(4) 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 001-003, 051-099, 401-499,
B. Do the test given in para. 3.
TASK 49-00-00-810-824
APU AUTO SHUT DOWN - IGV FAILURE, Inlet Guide Vanes Fault (GTCP36-300)
1. Possible Causes
_______________
- Air-in-Fuel
- fuel leaks
- INLET GUIDE-VANE ACTUATOR P21
- FUEL CONTROL UNIT P19
- wiring
- ECB (59KD)
- AUXILIARY POWER UNIT (4005KM)
- INLET GUIDE-VANE ACTUATOR (8014KM)
- AIR RELEASE VALVE 86QM
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 28-21-00-710-008 Operational Check of Air Release Valves to Ensure Adequate Fuel Flow Under Suction Feed Conditions AMM 28-21-41-000-001 Removal of the Low Pressure (LP) Air-Release-Valve 86QM(87QM) AMM 28-21-41-400-001 Installation of the Low Pressure (LP) Air-Release-Valve 86QM(87QM) AMM 28-22-00-710-001 Operational Test of the APU Fuel-Pump System on
Ground to Purge the Fuel Line AMM 49-00-00-710-004 Operational Test of the APU (4005KM) (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 49-23-51-000-002 Removal of the Inlet Guide Vane-Actuator (8014KM) (GTCP 36-300) AMM 49-23-51-400-002 Installation of the Inlet Guide Vane-Actuator (8014KM) (GTCP 36-300) AMM 49-32-11-000-001 Removal of the Fuel Control Unit (FCU) (8022KM) (GTCP 36-300) AMM 49-32-11-400-001 Installation of the Fuel Control Unit (FCU) (8022KM) (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) ASM 49-61/02
「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 274
Config-1 Aug 01/05 CES
3. Fault Confirmation
__________________
**ON A/C 001-003, 051-062,
A. Check/Test
(1) Do a check on the APU Shutdowns report if a
NO FLAME - LOW FUEL PRESSURE CHECK APU FUEL SUPPLY autoshutdown or a NO ACCELERATION - LOW FUEL PRESSURE CHECK APU FUEL SUPPLY autoshutdown
has occured BEFORE the
IGV FAILURE - INLET GUIDE VANE ACTR P21 autoshutdown.
(2) Purge the APU fuel feed-line (Ref. AMM TASK 28-22-00-710-001).
(a) If you find Air-in-Fuel then purge the fuel line from the Fuel Control Unit to the IGV-Actuator (Ref. AMM TASK 49-32-11-000-001) and (Ref. AMM TASK 49-32-11-400-001).
(3) Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-004). NOTE : During the operational test of the APU, examine carefully the
____ fuel lines from the fuel control unit to the inlet guide-vane actuator:
- fuel leaks are not permitted, correct/replace as necessary. R **ON A/C 063-099, 401-499,
A. Check/Test
(1) Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-004). R **ON A/C 001-003, 051-099, 401-499,
4. Fault Isolation
_______________
**ON A/C 001-003, 051-062,
A. If there is no record of a
NO FLAME - LOW FUEL PRESSURE CHECK APU FUEL SUPPLY autoshutdown or a NO ACCELERATION - LOW FUEL PRESSURE CHECK FUEL SUPPLY autoshutdown
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