4. Procedure
_________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
(Ref. Fig. 401/TASK 21-43-51-991-001)
**ON A/C 301-399,
(Ref. Fig. 401A/TASK 21-43-51-991-001-A)
Aft Cargo-Trim Air-Valve
Figure 401/TASK 21-43-51-991-001
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 21-43-51Page 404 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1
R Aft Cargo-Trim Air-Valve
R Figure 401A/TASK 21-43-51-991-001-A
R 1EFF : 301-399, 1 21-43-51 Page 405
1 1 May 01/04
1 1
1CES 1
**ON A/C ALL
Subtask 21-43-51-020-050
A. Removal of the Trim Air Valve
(1)
Disconnect the electrical connector (6).
(2)
Put blanking caps on the disconnected electrical connectors.
(3)
Remove the nut (4), the washers (5), the screw (7) and disconnect the bonding strap (8).
(4)
Remove the lock pin (13) from the stowage hole (12).
(5)
Turn the manual overide lever (10) to the closed position and install the lock pin (13) in the hole (11).
(6)
Remove the clamps (3), the trim air valve (9) and the O-rings (2).
(7)
Put blanking plugs on the disconnected line ends.
1EFF : ALL 1 21-43-51Page 406 1 1 Aug 01/05R 1 1 1CES 1
TASK 21-43-51-400-001
Installation of the Aft Cargo-Trim Air-Valve (12HC)
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
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific access platform 2.0 m (6 ft. 7 in.)
R No specific Torque Wrench : range 0.00 to 1.20 m.daN
R (0.00 to 9.00 lbf.ft)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
20-28-00-912-004 Electrical Bonding of Components With Conductive Bolts and Screws and Bonding Straps in the Fuselage and in the Wings (this does not include the tanks)-
21-43-00-710-003 Operational Test of the AFT Cargo Compartment Heating System 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 from the External Power 53-35-13-000-002 Removal of the Quick-Release Access Panels from the Belly Fairing Structure 53-35-13-400-002 Installation of the Quick-Release Access Panels on the Belly Fairing Structure
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
21-43-51-991-001 **ON A/C 301-399,
21-43-51-991-001-A **ON A/C ALL
3. Job Set-up
__________
Fig. 401
Fig. 401A
Subtask 21-43-51-865-053
A. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
122VU AIR COND/AFT CARGO VENT/FAN 30HN S22
R **ON A/C ALL
Subtask 21-43-51-865-056
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------
PANEL DESIGNATION FIN LOCATION
-------------------------------------------------------------------------------
122VU AIR COND/AFT CARGO VENT/CTL AND/MONG 31HN 20 S
or alternative location :-
49VU AIR COND/AFT CARGO/VENT/CTL & MONG 31HN 07 C
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499, 中國航空網(wǎng) www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320飛機維護手冊 AMM AIR CONDITIONING 空調(diào) 3(79)
