-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the panel 22VU: - push the AFT ISOL VALVE pushbutton switch. On the panel 22VU:- the white OFF light in the AFT ISOLVALVE pushbutton switch goes off.
On the ECAM lower display unit: - the inlet and outlet isolation valve
symbols open and change to green.
In the AFT cargo compartment: - the inlet and outlet isolation valves
open. - the extraction fan operates after approx. 15 s.
2. On the outlet isolation valve 33HN: On the ECAM upper display unit:
- disconnect the electrical connector. - the message AFT CRG ISOL VALVE comeson.
On the panel 22VU: - the amber FAULT light in the AFT ISOL VALVE pushbutton switch comes on.
In the AFT cargo compartment: - the extraction fan stops.
3. On the panel 22VU: - push the AFT ISOL VALVE pushbutton switch. On the panel 22VU:- the white OFF light in the AFT ISOLVALVE pushbutton switch comes on and the amber FAULT light goes off but comes on again after approx. 30 s.
On the ECAM lower display unit:
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ACTION RESULT -------------------------------------------------------------------------------
-
the inlet isolation valve symbol closes and changes to amber.
-
the outlet isolation valve symbol stays open.
On the ECAM control panel 11VU:
-
the white light in the two CLR pushbutton switches come on.
In the AFT cargo compartment:
-
the inlet isolation valve closes.
-
the outlet isolation valve stays open.
4. On the outlet isolation valve On the panel 22VU: 33HN:
-connect the electrical - the amber FAULT light in the AFT ISOL connector. VALVE pushbutton switch goes off.
On the ECAM lower display unit:
-
the outlet isolation valve symbol closes and changes to amber.
On the ECAM upper display unit:
-
the message AFT CRG ISOL VALVE goes off.
In the AFT cargo compartment:
-
the outlet isolation valve closes.
5. On the panel 22VU: On the panel 22VU:
-push the AFT ISOL VALVE - the white OFF light in the AFT ISOL pushbutton switch. VALVE pushbutton switch goes off.
On the ECAM lower display unit:
-
the inlet and outlet isolation valve symbols open and change to green.
In the AFT cargo compartment:
-
the inlet and outlet isolation valves open.
-
the extraction fan operates after approx. 15 s.
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6. On the panel 22VU:
-push the AFT ISOL VALVE pushbutton switch.
7. On the ECAM control panel 11VU:
-push one of the two CLR pushbutton switches.
Subtask 21-28-00-710-061On the panel 22VU:
-
the white OFF light in the AFT ISOLVALVE pushbutton switch comes on.
On the ECAM lower display unit:
-
the inlet and outlet isolation valve symbols close and change to amber.
In the AFT cargo compartment:
-
the inlet and outlet isolation valves close.
-
the extraction fan stops.
On the ECAM control panel 11VU:
-
the white light in the two CLRpushbutton switches go off.
On the ECAM lower display unit:
-
the STATUS page comes on.
B. Do the operational test of the AFT cargo-compartment smoke-detection with the CFDS to confirm isolation valve latching circuit integrity. (Ref. TASK 26-16-00-710-003).
5. Close-up
________
Subtask 21-28-00-860-062
A. Do the EIS stop procedure
(Ref. TASK 31-60-00-860-002).
R **ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
Subtask 21-28-00-410-063
B. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the access panel 162DW (Ref. TASK 25-55-12-400-001).
(3)
Install the access panel 151EW (Ref. TASK 25-55-11-400-003).
(4)
Remove the access platform(s).
(5) 中國航空網 m.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(111)
