- replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-002) and (Ref. AMM TASK 49-61-34-400-002).
B. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-008).
NOTE : After the subsequent flight, make sure that the fault does not
____ continue.
(1) If the APU CLASS 3 FAULTS page gives the maintenance message EGT TC1 P30 after the subsequent flight:
- do the applicable trouble shooting procedure (Ref. TASK 49-70-00-810-813).
TASK 49-00-00-810-891
APU AUTO SHUT DOWN - SENSOR FAILURE, EGT Thermocouple 2 and ECB 59KD Fault (APS 3200)
1. Possible Causes_______________
- EGT THERMOCOUPLE 2 (8057KM2)
- ECB (59KD)
2. Job Set-up Information______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
49-70-00-810-814 EGT-Thermocouple 2 Defective (APS 3200)
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 49-72-15-000-001 Removal of the Thermocouple (8057KM1) and (8057KM2) (APS 3200)
AMM 49-72-15-400-002 Installation of the Thermocouple (8057KM1) and (8057KM2) (APS 3200)
3. Fault Confirmation__________________
A. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-008).
4. Fault Isolation_______________
A. If an APU auto shutdown occurs during the operational test of the APU and the test gives the maintenance message:
EGT TC2 P31 AND ECB (59KD):
- replace the EGT THERMOCOUPLE 2 (8057KM2) (Ref. AMM TASK 49-72-15-000-001) and (Ref. AMM TASK 49-72-15-400-002).
- replace the ECB (59KD) (Ref. AMM TASK 49-61-34-000-002) and (Ref. AMM TASK 49-61-34-400-002).
B. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-008).
NOTE : After the subsequent flight, make sure that the fault does not
____ continue.
(1) If the APU CLASS 3 FAULTS page gives the maintenance message EGT TC2 P31 after the subsequent flight.
- do the applicable trouble shooting procedure (Ref. TASK 49-70-00-810-814)
TASK 49-00-00-810-892
APU AUTO SHUT DOWN - SENSOR FAILURE, Oil Sump and Generator-Oil Temperature Sensor Fault (APS 3200)
1. Possible Causes
_______________
- GEN-APU (8XS)
- wiring
- OIL TEMPERATURE SENSOR (8084KM)
- 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 49-00-00-710-005 Self-Test of the ECB (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 49-91-51-000-002 Removal of the Oil-Sump Temperature Sensor (8084KM) (APS 3200) AMM 49-91-51-400-002 Installation of the Oil-Sump Temperature Sensor (8084KM) (APS 3200) ASM 49-61/02
3. Fault Confirmation
__________________
A. Do the self-test of the ECB (Ref. AMM TASK 49-00-00-710-005).
4. Fault Isolation
_______________
A. If the APU Last Leg Report gives the maintenance message:
OIL TEMP SNSR (8084KM) AND GENERATOR (8XS)
Fault Code Number: 122
Additionally:
Fault Code Number: 010 or 011 and 012 or 013
NOTE : FCN 010-013 on Class 3 Faults Page
____
NOTE : The APU SHUTDOWNS report gives the maintenance message:
____ SENSOR FAILURE - OIL TEMP SNSR 8084KM AND GENERATOR 8XS APU Auto Shut Down Fault Code Number: 122
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