Subtask 35-23-00-865-068
B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU OXYGEN/PASSENGER/CTL AND WARN 2WR HA03 49VU OXYGEN/PASSENGER/CTL AND WARN 1WR HA02
Subtask 35-23-00-010-063
C. Get Access
(1)
Open the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-001).
(2)
Put the access platform below the AFT cargo-compartment door 826.
(3)
Set the CARGO COMPT LIGHT switch 8LU to the ON position.
(4)
Remove the related lining panel to get access to the oxygen storage (Ref. TASK 25-55-12-000-003).
Subtask 35-23-00-860-059
D. Aircraft Maintenance Configuration
(1)
Obey the special precautions when you do this task (Ref. TASK 35-00-00-860-001).
(2)
Make sure that there is no failure indication on the POXIP in the cockpit.
(3)
Make sure that the manual shut-off valves of the emergency oxygen cylinders are open.
4. Procedure
_________ Subtask 35-23-00-710-055
A. Operational Check of Cylinder Handvalve Switches
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the oxygen cylinder 991WR1:
-Close the manual shut-off valve of the oxygen cylinder.
2. On the oxygen cylinder 991WR1:
-Open the manual shut-off valve of the oxygen cylinder.
3. On the oxygen cylinders 991WR2 to 991WR6:
-Do the action-steps 1 and 2 again for each oxygen cylinder.
4. On the overhead panel 20VU in the cockpit:
-Push the TEST pushbutton on the POXIP for approx. 1 sec.
On the overhead panel 20VU in thecockpit:
-
Make sure that there is the 'FAULT' indication of the cylinder on the POXIP.
On the overhead panel 20VU in thecockpit:
-
Make sure that there is no 'FAULT' indication of the cylinder on the POXIP.
On the overhead panel 20VU in thecockpit:
-All indication lights on the POXIPcome on.
-On the display of the POXIP the indication '8888' comes on.
On the overhead panel 20VU in the cockpit, after 3 seconds:
-All indication lights on the POXIP go off.
-
On the display of the POXIP some indications of a BITE-Test come on.
On the overhead panel 20VU in the cockpit, after 6 seconds:
-
On the display of the POXIP the indication of the oxygen system status comes on.
5. Close-up
________ Subtask 35-23-00-410-062
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the related lining panel to close access to the oxygen storage (Ref. TASK 25-55-12-400-003).
(3)
Set the CARGO COMPT LIGHT switch 8LU to the OFF position.
(4)
Remove the access platform(s).
(5)
Close the AFT cargo-compartment door 826 (Ref. TASK 52-30-00-860-002).
Subtask 35-23-00-862-058
B. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
TASK 35-23-00-720-007
Operational and Functional Check of Passenger Oxygen System
1. Reason for the Job__________________
Refer to the MPD TASK: 352001-03
2. Job Set-up Information______________________
A. Fixtures, Tools, Test and Support Equipment
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 OXYGEN 氧氣(138)
