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,
R A. Do the operational test of the pack temperature-control system (Ref. AMM R TASK 21-61-00-710-001).
 「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 : ALL ∞∞21-61-00∞∞∞∞∞∞∞∞∞∞Page 271
 Aug 01/05 CES

R **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 CONT OR ANTI ICE VALVE:
 - swap the PC 1 (7HH) and the PC 2 (27HH) (Ref. AMM TASK 21-61-34-000-001) and (Ref. AMM TASK 21-61-34-400-001).
 (1) If the fault moves with the PC 1:

 - swap back the PC 1 (7HH) and the PC 2 (27HH) (Ref. AMM TASK 21-61-34-000-001) and (Ref. AMM TASK 21-61-34-400-001).

 - replace the CONTROLLER-PACK 1 TEMP (7HH) (Ref. AMM TASK 21-61-34-000-001) and (Ref. AMM TASK 21-61-34-400-001).

 (2) If the fault does not move with the PC 1:

 - swap back the PC 1 (7HH) and the PC 2 (27HH) (Ref. AMM TASK 21-61-34-000-001) and (Ref. AMM TASK 21-61-34-400-001).

 - replace the VALVE-ANTI ICE (17HH) (Ref. AMM TASK 21-61-41-000-001) and (Ref. AMM TASK 21-61-41-400-001).

 (3) If the fault continues:

 - do a check and repair the wiring (Ref. ASM 21-61/04) from:

 - the VALVE (17HH)A pin A and the PC 1 (7HH)AB pin 8A and,

 - the VALVE (17HH)A pins B and C to ground.

R **ON A/C 401-499,

R A. If the test gives the maintenance message P1 ANTI ICE VALVE(17HH):
R - swap the ACSC1 (47HH) and the ACSC2 (57HH) (Ref. AMM TASK 21-61-34-000-R 002) and (Ref. AMM TASK 21-61-34-400-002).

R (1) If the fault moves with the ACSC1:
R - swap back the ACSC1 (47HH) and the ACSC2 (57HH).
R - replace the CONT-AIR COND SYSTEM 1 (47HH) (Ref. AMM TASK 21-61-34-R 000-002) and (Ref. AMM TASK 21-61-34-400-002).

R (2) If the fault does not move with the ACSC1:
R - swap back the ACSC1 (47HH) and the ACSC2 (57HH) (Ref. AMM TASK 21-R 61-34-000-001) and (Ref. AMM TASK 21-61-34-400-001).
R - replace the VALVE-ANTI ICE (17HH) (Ref. AMM TASK 21-61-41-000-001)
R and (Ref. AMM TASK 21-61-41-400-001).

R (3) If the fault continues:
R - do a check and repair the wiring (Ref. ASM 21-61/04) from:
R - the VALVE (17HH) to the ACSC1 (47HH) and,
R - the VALVE (17HH) to ground.

 「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 : ALL ∞∞21-61-00∞∞∞∞∞∞∞∞∞∞Page 272
 Aug 01/05 CES

R **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.

 TASK 21-61-00-810-819

 Pack 2 Anti Ice Valve Fault
 1. Possible Causes
_______________
 - CONTROLLER-PACK 2 TEMP (27HH)
 - VALVE-ANTI-ICE (37HH) R - CONT-AIR COND SYSTEM 2 (57HH)
 - wiring
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R R R  AMM 21-61-00-710-001 AMM 21-61-34-000-001 AMM 21-61-34-000-002 AMM 21-61-34-400-001 AMM 21-61-34-400-002 AMM 21-61-41-000-001 AMM 21-61-41-400-001 ASM 21-61/02 ASM 21-61/02 Operational Test of the Pack Temperature-Control SystemRemoval of the Pack Controller (7HH, 27HH) Removal of the Air-Conditioning System Controller (47HH, 57HH)Installation of the Pack Controller (7HH, 27HH) Installation of the Air-Conditioning System Controller (47HH, 57HH)Removal of the Anti-Ice Valve 17HH (37HH)Installation of the Anti-Ice Valve 17HH (37HH) 
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).
　
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