On the APU page on the lower ECAM DU:
-
the APU bleed-valve symbol changes to the closed position.
-
the BLEED pressure decreases.
-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
NOTE : The APU cooldown cycle starts____ (120 seconds).
2. On the APU section on the panel 25VU: - push the APU MASTER SW pushbutton switch to the off position. On the APU section on the panel 25VU:- the ON legend in the APU MASTER SWpushbutton switch goes off.NOTE : The ECB (59KD) controls and____ monitors the APU cooldown cycle and the shutdown sequence.
After the cooldown cycle is complete: - the APU shutdown sequence starts.
On the APU section on the panel 25VU: - the AVAIL legend in the APU START pushbutton switch goes off.
On the APU page on the lower ECAM DU: - the APU indications show that the APU
is in the shutdown sequence and stops.
If the ON legend in the APU GEN pushbutton switch is on (the APU generator energizes the aircraft electrical circuits): On the ELEC panel 35VU:
- the ON legend in the APU GEN pushbutton switch goes off.
On the APU page on the lower ECAM DU: - the APU generator symbols change to no power supply.
3. If the ON legend in the APU BLEED pushbutton switch is off (the APU does not supply bleed air), on the APU section on the panel 25VU: - push the APU MASTER SW pushbutton switch to the off position. On the APU section on the panel 25VU:- the ON legend in the APU MASTER SWpushbutton switch goes off.- the AVAIL legend in the APU STARTpushbutton switch goes off.NOTE : The ECB (59KD) controls and____monitors the APU the shutdown
sequence.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------On the APU page on the lower ECAM DU:
-
the APU indications show that the APU is in the shutdown sequence and stops.
If the ON legend in the APU GEN pushbutton switch is on (the APU generator energizes the aircraft electrical circuits), on the ELEC panel 35VU:
-
the ON legend in the APU GEN pushbutton switch goes off.
On the APU page on the lower ECAM DU:
-
the APU generator symbols change to no power supply.
5. Close-up
________
Subtask 49-00-00-860-068
A. Put the aircraft back to its initial configuration.
(1)
Do the EIS stop procedure (Ref. TASK 31-60-00-860-002), if not longer necessary.
(2)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002), if not longer necessary.
NOTE : Make sure that the APU air intake flap is closed, before you
____ set the BATT 1 and BATT 2 pushbutton switches to the off position, if necessary.
NOTE : Continue with the task from which you got the reference to
____
this task.
TASK 49-00-00-860-006- 01
1. Reason for the Job
APU Shutdown by Batteries (APS 3200) __________________ Self Explanatory
2. Job Set-up Information______________________ Not Applicable __________
3. Job Set-up
Subtask 49-00-00-860-132
A. Not applicable.
4. Procedure
_________ Subtask 49-00-00-860-133
A. Shutdown of the APU
CAUTION : OBEY THE SAFETY PRECAUTIONS.
_______
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the APU section on the panel 25VU: - push the APU MASTER SW pushbutton switch to the off position. On the APU section on the panel 25VU:- the ON legend in the APU MASTER SWpushbutton switch goes off.
After the cooldown cycle is complete: - the APU shutdown sequence starts.
On the APU section on the panel 25VU: - the AVAIL legend in the APU START pushbutton switch goes off.
5. Close-up
________ Subtask 49-00-00-860-134
A. Put the aircraft back to its initial configuration.
TASK 49-00-00-860-011
Update of APU Data (hours/cycles) (APS 3200)
1. Reason for the Job
__________________
This procedure allows the operator to update the APU hours and cycles after an ECB or APU change.
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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