NOTE : The ECB (59KD) controls and
____monitors the APU the shutdown sequence.
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 49-00-00-860-063
A. Aircraft Maintenance 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.
TASK 49-00-00-860-004- 01
1. Reason for the Job
APU Shutdown by Batteries (GTCP 36-300) __________________ Self Explanatory
2. Job Set-up Information______________________ Not Applicable __________
3. Job Set-up
Subtask 49-00-00-860-127
A. Not applicable.
4. Procedure
_________ Subtask 49-00-00-860-128
A. Shutdown of the APU
CAUTION : OBEY THE SAFETY PRECAUTIONS.
_______
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the APU section on the panel On the APU section on the panel 25VU: 25VU: - the ON legend in the APU MASTER SW
-push the APU MASTER SW pushbutton switch goes off.
pushbutton switch to the off
position.
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 49-00-00-860-129
A. Put the aircraft back to its initial configuration.
AIRBORNE AUXILIARY POWER - GENERAL ((131-9(A))) - MAINTENANCE PRACTICES
_______________________________________________________________________ TASK 49-00-00-910-003 Safety Precautions for the Operation of the APU (131-9(A)) WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______ WHEN YOU DO THE MAINTENANCE TASK(S).
WARNING : WHILE THE APU OPERATES, DO NOT GO INTO THESE AREAS:
_______
-
THE AREA BEHIND THE APU EXHAUST DUCT: 25m (82ft.) REARWARD OF THE DUCT, MORE THAN 3m (10ft.) ABOVE THE GROUND, AND THE WIDTH OF THE HORIZONTAL STABILIZER
-
THE AREA AROUND THE APU AIR-INTAKE: 2m (7ft) AROUND THE INTAKE
-
THE AREA OF THE OIL-COOLER OUTLET.
THERE IS A RISK OF INJURY IF YOU GO INTO THESE AREAS.
CAUTION : DO NOT USE THE APU DURING FLUID DE-ICING OPERATIONS. DE-ICING FLUID
_______ CAN CONTAMINATE THE INSIDE OF THE APU.
CAUTION : DO NOT TRY TO START THE APU A FOURTH TIME UNTIL THE STARTER MOTOR IS
_______ COOL (60 MINUTES MINIMUM). WE RECOMMEND THAT YOU TRY TO START THE APU THREE TIMES, WITH AN INTERVAL OF ONE MINUTE BETWEEN EACH TIME THAT YOU TRY.
CAUTION : DO NOT START THE APU WITH ACCESS DOORS 315AL AND 316AR OPEN/REMOVED.
_______ THE APU FIRE EXTINGUISHER SYSTEM IS NOT SUFFICIENT TO EXTINGUISH A FIRE IF THE ACCESS DOORS 315AL AND 316AR ARE OPEN/REMOVED.
CAUTION : DO NOT TRY TO START THE APU AGAIN DURING A REFUEL/DEFUEL PROCEDURE
_______ AFTER AN AUTOMATIC SHUTDOWN OR FAILED APU START. IF YOU DO, THERE IS A RISK OF INJURY AND/OR DAMAGE.
CAUTION : OBEY THE SAFETY PRECAUTIONS.
_______
1. Reason for the Job
__________________
Self Explanatory
R EFF : 001-049, 101-105, 107-107, 151-199, 49-00-00Page 201 201-210, Config-2 Aug 01/05
CES 2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific warning notice
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
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