(2)
Put the access platform at the FWD cargo-compartment door 825.
(3) Remove the access panel 131PW (Ref. TASK 25-54-12-000-001).
Subtask 21-63-00-865-055
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
R **ON A/C 401-499,
49VU AIR COND/TEMP CTL/SYS 1 CHAN B/28VDC 52HH D08 R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
122VU AIR COND/ZONE TEMP CTL/28VDC/SYS2 4HK V20 122VU AIR COND/ZONE TEMP CTL/28VDC/SYS1 3HK V19 122VU AIR COND/ZONE TEMP CTL/115VAC/SYS2 2HK V18 122VU AIR COND/ZONE TEMP CTL/115VAC/SYS1 1HK V17
R -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------**ON A/C 401-499,
R R 122VU AIR COND/TEMP CTL SYS 2/CHAN A/115VAC 122VU AIR COND/TEMP CTL SYS 2/CHAN A/28VDC 122VU AIR COND/TEMP CTL SYS 1/CHAN A/115VAC 122VU AIR COND/TEMP CTL SYS 1/CHAN A/28VDC 122VU AIR COND/TEMP CTL SYS 2/CHAN B/28VDC 122VU AIR COND/TEMP CTL SYS 2/CHAN B/115VAC 122VU AIR COND/TEMP CTL SYS 1/CHAN B/115VAC 53HH 55HH 49HH 51HH 56HH 54HH 50HH W22W21X22X21 Y21Y20Y18
**ON A/C ALL
4. Procedure_________
Subtask 21-63-00-440-051
A. Reactivation of the Pressure Regulating Valve
(1) Remove the lockwire from the manual override lever (3) of the hot-air pressure-regulating valve (2).
(2) Remove the temporary attachment from the disconnected electrical connector 14HK-C (1).
(3) Make sure that the electrical connectors are clean and in the correct condition.
(4) Connect the electrical connector 14HK-C (1) to the hot-air pressure-regulating valve (2).
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
Subtask 21-63-00-865-068
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1HK, 2HK, 3HK, 4HK.
R **ON A/C 401-499,
Subtask 21-63-00-865-068-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 49HH, 50HH, 51HH, 52HH, 53HH, 54HH, 55HH, 56HH.
**ON A/C ALL
Subtask 21-63-00-810-051
C. Do the trouble shooting of the hot-air pressure-regulating valve 14HK (Ref. TSM ATA 21) and do the applicable corrective maintenance procedure(s).
5. Close-up
________
Subtask 21-63-00-410-055
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the access panel 131PW (Ref. TASK 25-54-12-400-001).
(3)
Remove the access platform(s).
(4)
Close the FWD cargo-compartment door 825 (Ref. TASK 52-30-00-860-002).
Subtask 21-63-00-862-058
B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
TASK 21-63-00-040-004
Deactivation of the Zone Controller - Hot-Air Pressure-Regulating Valve Check
WARNING : MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM
_______
FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE.
HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.
1. Reason for the Job
__________________
Refer to the MMEL TASK: 21-63-01 c)
Cockpit and Cabin Temperature Control
Zone Controller
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific blanking caps
No specific access platform 2 m (6 ft. 7 in.)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
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本文鏈接地址：A320飛機維護手冊 AMM AIR CONDITIONING 空調 5(123)
