**ON A/C ALL
4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
A. If the test gives the maintenance message P2 COMP OVHT SENSOR:
- replace the SENSOR-COMPRESSOR OVERHEAT (35HH) (referred to as SENSOR (35HH)) (Ref. AMM TASK 21-61-12-000-001) and (Ref. AMM TASK 21-61-12-400-001).
(1) If the fault continues:
- do a check and repair the wiring between: SENSOR (35HH) connector A/C and PC 2 (27HH) connector AB/1C, SENSOR (35HH) connector A/B and PC 2 (27HH) connector AB/1B, SENSOR (35HH) connector A/A and PC 2 (27HH) connector AB/1A (Ref. ASM 21-61/02).
R **ON A/C 401-499,
A. If the test gives the maintenance message P2 COMP OVERHEAT:
- replace the SENSOR-COMPRESSOR TEMPERATURE (32HH) (Ref. AMM TASK 21-61-11-000-001) and (Ref. AMM TASK 21-61-11-400-001).
(1) If the fault continues:
- do a check and repair the wiring (Ref. ASM 21-61/02) from:
- the SENSOR (32HH) to the ACSC2 (57HH).
**ON A/C ALL
B. Do the test as given in the Para. 3.A.
5. Close-up
________
A. Put the aircraft back to its initial configuration.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞21-61-00∞∞∞∞∞∞∞∞∞∞Page A222
Aug 01/05 CES
TASK 21-61-00-810-830
Pack 1 Outlet Temperature Sensor Fault
1. Possible Causes
_______________
- SENSOR-PACK OUTLET TEMP (13HH)
- CHECK VALVE-TRIM AIR (18HM)
- SENSOR-PACK OUTLET TEMPERATURE (13HH)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 21-61-00-710-001 Operational Test of the Pack Temperature-Control System AMM 21-61-15-000-001 Removal of the Pack Outlet - Temperature Sensors 13HH and 34HH AMM 21-61-15-400-001 Installation of the Pack Outlet - Temperature Sensors 13HH and 34HH AMM 21-63-42-210-001 Detailed Visual Inspection of Trim-Air Check-Valves
Flappers for Condition and Operation
ASM 21-61/04
ASM 21-61/04
3. Fault Confirmation
__________________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
A. Do the operational test of the pack temperature-control system (Ref. AMM TASK 21-61-00-710-001).
NOTE : If a fault is detected, the PC gives a fault code for shop
____ maintenance in addition to the related CFDS message(s) (refer to TSM chapter 21-63-00, page block 301).
R **ON A/C 401-499,
A. Do the operational test of the pack temperature-control system (Ref. AMM TASK 21-61-00-710-001).
**ON A/C ALL
4. Fault Isolation
_______________
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
A. If the test gives the maintenance message P1 OUTLET TEMP SENSOR:
- replace the SENSOR-PACK OUTLET TEMPERATURE (13HH) (referred to as SENSOR (13HH)) (Ref. AMM TASK 21-61-15-000-001) and (Ref. AMM TASK 21-61-15-400-001).
(1) If the fault continues:
- do a check and repair the wiring between: SENSOR (13HH) connector A/C and PC 1 (7HH) connector AB/12A, SENSOR (13HH) connector A/B and PC 1 (7HH) connector AB/12B, SENSOR (13HH) connector A/A and PC 1 (7HH) connector AB/11D (Ref. ASM 21-61/04).
(2) If the fault continues:
- do a visiual inspection of the trim-air check-valve flappers (Ref. AMM TASK 21-63-42-210-001) and replace this valve if nessesary.
R **ON A/C 401-499,
A. If the test gives the maintenance message P1 OUT TEMP SENSOR(13HH):
- replace the SENSOR-PACK OUTLET TEMP (13HH) (Ref. AMM TASK 21-61-15-000-001) and (Ref. AMM TASK 21-61-15-400-001).
(1) If the fault continues:
- do a check and repair the wiring (Ref. ASM 21-61/04) from:
- the SENSOR (13HH) to the ACSC1 (47HH) and,
- the SENSOR (13HH) to ground.
(2) If the fault continues:
- do a visual inspection of the CHECK VALVE-TRIM AIR (18HM) flappers (Ref. AMM TASK 21-63-42-210-001) and replace this valve if nessesary.
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