(1)
Remove the protective caps (1) and (2) from the pressure ports.
(2)
Connect the manometer 0 to 0.3447 bar (0 to 5 psi) to the pressure ports.
NOTE : The input pressure port is on the top of the filter assembly.
____ The output pressure port is on the side of the filter assembly.
4. Procedure
_________ Subtask 21-26-42-210-062
A. Check for Blockage of the Demister Filter
(Ref. Fig. 607/TASK 21-26-42-991-012)
(1) If the differential pressure is more than 29 mbar (0.42 psi):
(a) Replace the two filters (Ref. TASK 21-26-43-600-016) and (Ref. TASK 21-26-43-600-017).
5. Close-up
________ Subtask 21-26-42-862-059
A. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
R 1EFF : 301-399, 401-499, 1 21-26-42Page 642 1 1 Aug 01/05 1 1 1CES 1
Check for blokage of the Demister Filter and Filter Cartridge with Pressure
Ports
Figure 607/TASK 21-26-42-991-012
R 1EFF : 301-399, 401-499, 1 21-26-42Page 643 1 1 Aug 01/05 1 1 1CES 1 Subtask 21-26-42-860-057
B. Put the aircraft back to its initial configuration.
(1) Disconnect the manometer from the pressure ports.
(2) Install the protective caps (1) and (2) on the pressure ports. Subtask 21-26-42-410-060
C. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access door 824 (Ref. TASK 52-41-00-410-002).
(3)
Remove the access platform(s).
R 1EFF : 301-399, 401-499, 1 21-26-42Page 644 1 1 Aug 01/05 1 1 1CES 1
TASK 21-26-42-200-007 Check for Blockage of the Filter Cartridge with the Pressure Ports
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific manometer 0 to 0.3447 bar (0 to 5 psi) No specific access platform 1.60 m (5 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
21-26-43-600-016 Discard Demister Filter 21-26-43-600-017 Discard Filter Cartridge 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 52-41-00-410-002 Close the Avionics Compartment Doors after Access 21-26-42-991-012 Fig. 607
3. Job Set-up
__________ Subtask 21-26-42-010-063
A. Get Access
(1)
Put the access platform in position at the access door 824.
(2)
Open the access door 824.
R 1EFF : 301-399, 401-499, 1 21-26-42Page 645 1 1 Aug 01/05 1 1 1CES 1 Subtask 21-26-42-861-060
B. Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
NOTE : The energization of the aircraft electrical circuits starts the
____ full test of the ventilation system. The test continues for 2 minutes approximately. Do not connect the manometer until this test is completed.
Subtask 21-26-42-860-058
C. Aircraft Maintenance Configuration
(Ref. Fig. 607/TASK 21-26-42-991-012)
(1)
Remove the protective caps (1) and (2) from the pressure ports.
(2)
Connect the manometer 0 to 0.3447 bar (0 to 5 psi) to the pressure ports.
NOTE : The input pressure port is on the top of the filter assembly.
____ The output pressure port is on the side of the filter assembly.
4. Procedure
_________ Subtask 21-26-42-210-063
A. Check for Blockage of the Filter Cartridge
(Ref. Fig. 607/TASK 21-26-42-991-012)
(1) If the differential pressure is more than 29 mbar (0.42 psi):
(a) Replace the two filters (Ref. TASK 21-26-43-600-016) and (Ref. TASK 21-26-43-600-017).
5. Close-up
________ Subtask 21-26-42-862-060
A. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
R 1EFF : 301-399, 401-499, 1 21-26-42Page 646 1 1 Aug 01/05 1 1 1CES 1 Subtask 21-26-42-860-059 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 2(60)
