Subtask 21-31-00-941-054
C. Put the access platform in position below the outflow valve in zone 172.
Subtask 21-31-00-860-069
D. Make sure that the outflow valve is in the open position.
4. Procedure_________
Subtask 21-31-00-110-050
A. Cleaning of the Outflow-Valve Moveable Seals (Ref. Fig. 701/TASK 21-31-00-991-006)
R R WARNING : OBEY THE MANUFACTURER'S INSTRUCTIONS WHEN YOU USE THIS/THESE_______ MATERIAL/S. USE PROTECTIVE CLOTHING, RUBBER GLOVES AND GOGGLES.
(1) Clean the moveable seals (1) with a soft bristle brush, lint free cloth and CLEANING AGENTS (Material No. 11-006).
(2) Blow any dust or loose deposits from the moveable seals with a low pressure (overpressure 1 bar), clean, dry air supply.
(3) If necessary repeat the cleaning procedure until the seals move freely with a light finger pressure.
R R R R (4) If the seals are clean: - press them into their slots with two fingers. If the seals do not come out easily and smoothly: - remove the related outflow valve (Ref. TASK 21-31-51-000-001) (Ref. TASK 21-31-51-000-006) - change the springs which are installed behind the seals (Ref. CMM 213130). - install the related outflow valve (Ref. TASK 21-31-51-400-001) (Ref. TASK 21-31-51-400-006)
Outflow-Valve Moveable Seals - Component Location
Figure 701/TASK 21-31-00-991-006
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1 1 Nov 01/99
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1CES 1
5. Close-up
________ Subtask 21-31-00-860-070
A. Aircraft Maintenance Configuration
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Remove the access platform(s). Subtask 21-31-00-865-069
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1HL, 2HL, 3HL.
Subtask 21-31-00-862-062
C. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
1EFF : ALL 1 21-31-00Page 705 1 1 Aug 01/01R 1 1 1CES 1
CONTROLLER - CABIN PRESSURE (11HL,12HL) - REMOVAL/INSTALLATION
______________________________________________________________
TASK 21-31-34-000-001
Removal of the Cabin Pressure Controller (11HL,12HL)
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific blanking caps
No specific circuit breaker(s) safety clip(s)
No specific access platform 1 m (3 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power
**ON A/C 001-049, 051-061, 101-105, 201-203,
21-31-34-991-001 Fig. 401 R **ON A/C 062-099, 106-149, 151-199, 204-299, 301-399, 401-499,
21-31-34-991-001-A Fig. 401A **ON A/C ALL
3. Job Set-up
__________
Subtask 21-31-34-861-050
A. Energize the ground service network
(Ref. TASK 24-42-00-861-001).
Subtask 21-31-34-865-050 中國航空網 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 3(22)
