-
the warning, APU EMER SHUT DOWN MASTER SW .... OFF comes on.
On the glareshield panels 130VU and 131VU:
-
the MASTER CAUT lights come on.
-a single chime is heard.
On the overhead panel 25VU:
-
the FAULT legend in the pushbutton APU MASTER SW comes on.
On the FUEL page of the ECAM lower display unit:
-
the APU LP fuel-valve symbol is shown in the closed position.
On the overhead panel 25VU:
-
the FAULT legend in the APU MASTER SW pushbutton switch goes off.
On the ECAM upper display unit:
-
the warning, APU EMER SHUT DOWN MASTER SW .... OFF goes off.
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-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
R R R
R R R 20. On the overhead panel 25VU: - release the APU MASTER SW pushbutton switch.
R R R R 21. On the overhead panel 25VU: - push the APU MASTER SW pushbutton switch to the ON position.
R R R R
R R R 22. On the APU FIRE panel 20VU: - lift the guard and release the APU FIRE pushbutton switch.
R R R R R
R R R R
R R R
R R R R
R 23. On the APU FIRE panel 20VU:
On the glareshield panels 130VU and 131VU:
-
the MASTER CAUT lights go off.
On the overhead panel 25VU:
-
the ON legend in the APU MASTER SW pushbutton switch goes off.
On the overhead panel 25VU:
-
the ON legend in the APU MASTER SW pushbutton switch comes on.
On the FUEL page of the ECAM lower display unit:
-
the APU LP fuel-valve symbol is shown in the open position.
On the APU FIRE panel 20VU:
-
the SQUIB legend in the AGENT pushbutton switch comes on.
On the ECAM upper display unit:
-
the warning, APU EMER SHUT DOWN MASTER SW .... OFF comes on.
On the glareshield panels 130VU and 131VU:
-
the MASTER CAUT lights come on,
-a single chime is heard.
On the overhead panel 25VU:
-
the FAULT legend in the pushbutton APU MASTER SW comes on.
On the FUEL page of the ECAM lower display unit:
-
the APU LP fuel-valve symbol is shown in the closed position.
On the APU FIRE panel 20VU:
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ACTION RESULT -------------------------------------------------------------------------------
R - push the APU FIRE pushbutton - the SQUIB legend in the AGENT
R switch and close the guard. pushbutton switch goes off.
R On the ECAM upper display unit:
R - the warning,
R APU EMER SHUT DOWN
R MASTER SW .... OFF
R goes off.
R On the overhead panel 25VU:
R - the FAULT legend in the APU MASTER SW
R pushbutton switch goes off.
R On the glareshield panels 130VU and
R 131VU:
R - the MASTER CAUT lights go off.
R 24. On the overhead panel 25VU: On the overhead panel 25VU:
R - release the APU MASTER SW - the ON legend in the APU MASTER SW
R pushbutton switch. pushbutton switch goes off.
R **ON A/C ALL
5. Close-up________
Subtask 26-22-00-860-053
A. Put the aircraft back to its initial configuration.
(1)
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 3QC.
(2)
Do the EIS stop procedure
(Ref. TASK 31-60-00-860-002).
(3)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
TASK 26-22-00-720-001
Continuity Check of the APU Fire-Extinguishing Firing-Circuit WARNING : THE ACCIDENTAL FIRING OF THE EXTINGUISHER BOTTLE CAN CAUSE SERIOUS
_______ INJURY TO PERSONS WHO WORK OR ARE IN THE CLOSE PROXIMITY.
1. Reason for the Job
__________________
Refer to the MPD TASK: 262200-03
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
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