4. Procedure
_________
Subtask 21-26-00-710-060
A. Operational Test of the Avionics Equipment Ventilation (without the CFDS)
NOTE : The procedure is the same for:
____
-
the skin air-inlet valve 15HQ,
-
the skin air-outlet valve 22HQ,
-
the conditioned-air inlet valve 21HQ,
-
the skin-exchanger inlet bypass-valve 16HQ,
-
the skin-exchanger isolation valve 24HQ,
-
the AEVC 10HQ.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
NOTE : During this test, ignore all
____ the warnings that are not related to the test.
1.
On the panel 122VU: - open the circuit breaker 3HQ.
2.
On the panel 122VU:
-close the circuit breaker 3HQ after approximately 20 seconds.
NOTE : If you do not close the
____ circuit breaker 3HQ after approximately 20 seconds: you will hear the mechanic call horn in the nose landing gear well. Then on the panel 108VU, push the RESET pushbutton switch to stop the mechanic call horn.
On the VENTILATION section of the panel22VU:
-
the FAULT legends of the BLOWER and
EXTRACT pushbutton switches come on. On the upper ECAM display unit:
-
the VENT AVNCS SYS FAULT message comes into view after approximately 15 seconds.
-
the VENT AVNCS SYS FAULT message goesout of view.
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-------------------------------------------------------------------------------
ACTION RESULT
-------------------------------------------------------------------------------After 60 seconds (the time necessary for the test), on the upper ECAM DU:
-make sure that the VENT AVNCS SYS FAULT message is not in view.
5. Close-up
________ Subtask 21-26-00-860-053
A. Put the aircraft back to its initial configuration.
(1) Do the EIS stop procedure
(Ref. TASK 31-60-00-860-002).
Subtask 21-26-00-862-054
B. De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
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TASK 21-26-00-710-002
Operational Check of Override Function (BLOWER and EXTRACT)
1.
Reason for the Job
__________________
Refer to the MPD TASK: 212600-02
2.
Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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
31-60-00-860-001 EIS Start Procedure
31-60-00-860-002 EIS Stop Procedure
3. Job Set-up
__________
Subtask 21-26-00-865-051
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR COND/AVNCS VENT/CTL 6HQ D06 49VU AIR COND/AVNCS VENT/CTL 5HQ D05 122VU AIR COND/AVNCS/VENT/MONG 3HQ Y17
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
123VU AVNCS VENT/EXTC/FAN 2HQ AE02 **ON A/C ALL
123VU AVNCS VENT/BLOWER/FAN 1HQ AD10
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------**ON A/C 301-399,
123VU AVNCS VENT/EXTC/FAN 2HQ AC04
**ON A/C ALL
Subtask 21-26-00-941-087
B. Safety Precautions
(1) Make sure that the engine 1 and 2 throttle control levers are at idle.
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