- do a check and repair the wiring from the BACK-UP START CONTACTOR (10KA) B/5 to the ground (Ref. ASM 49-42/01).
a 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).
「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 205
Config-1 Aug 01/05 CES
(2) If an APU auto shutdown occurs during the APU start sequence and the APU SHUTDOWNS report gives maintenance message:
NO ACCELERATION - CONTACTOR 10KA:
with the LRU TROUBLE SHOOT DATA menu information: BACKUP START CONTACTOR SHOWS CIRCUIT FAILURE Fault Code Number: 132
- replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-001) and (Ref. AMM TASK 49-61-34-400-001).
(a) If the fault continues:
- do a check and repair the wiring from the ECB (59KD) AC/6 to the BACK-UP START CONTACTOR (10KA) B/3 (Ref. ASM 49-42/01).
**ON A/C 001-003, 051-062,
B. If the test gives the maintenance message (CLASS I):
CONTACTOR 10KA:
- do a check and repair of the wiring from the ECB (59KD) AC/6 to the BACKUP START CONTACTOR (10KA) B/3 (Ref. ASM 49-42/01).
R **ON A/C 001-003, 051-099, 401-499,
C. Do the test as given in the Para. 3.
TASK 49-00-00-810-803
APU AUTO SHUT DOWN - Slow Start Shutdown, Starter System Fault (GTCP 36-300)
1. Possible Causes
_______________
- GEN-APU (8XS)
- STARTER MOTOR (8KA)
- STARTER MOTOR CLUTCH
- wiring
- ECB (59KD)
- AUXILIARY POWER UNIT (4005KM)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
49-00-00-810-808
49-00-00-810-810
49-00-00-810-811
AMM 24-23-51-000-001
AMM 24-23-51-400-001
AMM 49-00-00-710-004
AMM 49-11-11-000-001
AMM 49-11-11-400-001
AMM 49-42-51-000-002
AMM 49-42-51-400-002
AMM 49-42-52-000-001
AMM 49-42-52-400-001
AMM 49-61-34-000-001
AMM 49-61-34-400-001
ASM 49-42/01
APU AUTO SHUT DOWN - LOSS OF SPEED, Speed Sensor
P26/P27 Fault (GTCP 36-300)
APU AUTO SHUT DOWN - LOSS OF SPEED, Speed Indication
System 1 Fault (GTCP 36-300)
APU AUTO SHUT DOWN - LOSS OF SPEED, Speed Indication
System 2 Fault (GTCP 36-300)
Removal of the APU Generator 8XS
Installation of the APU Generator 8XS
Operational Test of the APU (4005KM) (GTCP 36-300)
Removal of the Auxiliary Power Unit (APU) - 4005KM
(GTCP 36-300)
Installation of the Auxiliary Power Unit (APU) -4005KM (GTCP 36-300)
Removal of the Starter Motor (8KA) (GTCP 36-300)
Installation of the Starter Motor (8KA) (GTCP 36-300)
Removal of the Starter Motor Clutch (8033KM) (GTCP
36-300)
Installation of the Starter Motor Clutch (8033KM)
(GTCP 36-300)
Removal of the Electronic Control Box (ECB) (59KD)
(GTCP 36-300)
Installation of the Electronic Control Box (ECB)
(59KD) (GTCP 36-300)
3. Fault Confirmation
__________________
**ON A/C 001-003, 051-062,
A. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-004).
NOTE : If there was a previous APU AUTO SHUTDOWN and the LAST
____ LEG/PREVIOUS LEG report(s) contain the following maintenance message, do the applicable trouble shooting procedure first: SPEED SNSR P26 AND ECB 59KD (Ref. TASK 49-00-00-810-810) SPEED SNSR P27 AND ECB 59KD (Ref. TASK 49-00-00-810-811) SPEED SNSRS P26, P27 (Ref. TASK 49-00-00-810-808)
R **ON A/C 063-099, 401-499,
A. 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 an APU auto shutdown occurs during the APU start sequence and the APU SHUTDOWNS report gives the maintenance message:
START TIME EXCEEDED - STARTER MOTOR 8KA:
- do a brush wear check (if installed),
- examine the starter motor for the signs of a mechanical fault.
(1) If the brush wear indicator-pin (if installed) does not extend into the transparent cover and/or you find the signs of a mechanical fault:
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