(1) If the fault continues:
- do a check and repair the wiring from the ECB (59KD) AB/J4, J5 to the DE-OILING SOLENOID VALVE P15/1, 2 to the (Ref. ASM 49-61/02).
(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).
R **ON A/C 063-099, 401-499,
A. If the test gives the maintenance message:
DEOIL SOLENOID (8083KM)
with the LRU TROUBLE SHOOT DATA menu information:
DEOIL SOLENOID SHOWS OPEN CIRCUIT
Fault Code Number: 133
or
DEOIL SOLENOID SHOWS CIRCUIT FAILURE
Fault Code Number: 134
and the previous APU SHUTDOWNS report gives the maintenance message
NO ACCELERATION - DEOIL SOLENOID (8083KM)
- replace the DE-OILING SOLENOID VALVE (8083KM) (Ref. AMM TASK 49-91-49-000-001) and (Ref. AMM TASK 49-91-49-400-001).
(1) If the fault continues:
- do a check and repair the wiring from the ECB (59KD) AB/J4, J5 to the DE-OILING SOLENOID VALVE (8083KM) P15/1, 2 to the (Ref. ASM 49-61/02).
(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).
R **ON A/C 001-003, 051-099, 401-499,
B. Do the test as given in the Para. 3.
TASK 49-00-00-810-827
Differential Pressure-Sensor Fault (GTCP 36-300)
1. Possible Causes
_______________
- DIFFERENTIAL PRESSURE TRANSDUCER P24
- VARIABLE VOLUME CHAMBER
- DIFFERENTIAL PRESSURE TRANSDUCER (8043KM)
- wiring
- ECB (59KD)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 49-00-00-710-001 Self-Test of the ECB (59KD) (GTCP 36-300)
AMM 49-00-00-710-004 Operational Test of the APU (4005KM) (GTCP 36-300)
AMM 49-51-14-000-001 Removal of the Airflow Sensor (GTCP 36-300)
AMM 49-51-14-400-001 Installation of the Airflow Sensor (GTCP 36-300)
AMM 49-51-16-000-001 Removal of the Differential Pressure Transducer
(8043KM) (GTCP 36-300) AMM 49-51-16-400-001 Installation of the Differential Pressure Transducer (8043KM) (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
3. Fault Confirmation
__________________
**ON A/C 001-003, 051-062,
A. Test
(1) Do the self-test of the ECB (Ref. AMM TASK 49-00-00-710-001).
(2) Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-004).
R **ON A/C 063-099, 401-499,
A. Do the operational test of the APU (Ref. AMM TASK 49-00-00-710-004).
「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 283
R **ON A/C 001-003, 051-099, 401-499,
4. Fault Isolation
_______________
**ON A/C 001-003, 051-062,
A. If the operational test gives the maintenance message:
DIFFERENTIAL PRESS XDCR P24:
- replace the DIFFERENTIAL PRESSURE TRANSDUCER P24 (Ref. AMM TASK 49-51-16-000-001) and (Ref. AMM TASK 49-51-16-400-001).
(1) If the fault continues:
- replace the VARIABLE VOLUME CHAMBER (Ref. AMM TASK 49-51-14-000-001) and (Ref. AMM TASK 49-51-14-400-001).
NOTE : The replacement of the Variable Volume Chamber is part of the
____
R/I procedure of the Airflow Sensor.
R **ON A/C 063-099, 401-499,
A. Maintenance Action
(1) If the operational test gives the maintenance message:
DIFFERENTIAL PRESS XDCR (8043KM)
with the LRU TROUBLE SHOOT DATA menu information: DELTA PRESSURE SENSOR SHOWS OUT OF RANGE DRIFT Fault Code Number: 016 or 017
- replace the DIFFERENTIAL PRESSURE TRANSDUCER (8043KM) (Ref. AMM TASK 49-51-16-000-001) and (Ref. AMM TASK 49-51-16-400-001).
(a) If the fault continues:
- replace the VARIABLE VOLUME CHAMBER (Ref. AMM TASK 49-51-14-000-001) and (Ref. AMM TASK 49-51-14-400-001).
NOTE : The replacement of the Variable Volume Chamber is part of
____ the R/I procedure of the Airflow Sensor.
(2) If the operational test gives the maintenance message:
DIFFERENTIAL PRESS XDCR (8043KM)
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