____
condition
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-33-21-618-001 Pre-conditioning with the APU 23-44-00-860-001 Operation of the Service Interphone System 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
External Power 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the APU 26-22-00-710-001 Operational Test of the APU Fire-Extinguishing Loop/Squib 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action 31-32-00-860-001 Procedure to Get Access to the SYSTEM REPORT/TEST
Menu Page 31-60-00-860-001 EIS Start Procedure 52-41-00-010-002 Open the Avionics Compartment Doors for Access 52-41-00-410-001 Close the APU Doors after Access
3. Job Set-up
__________
Subtask 49-00-00-941-067
A. Safety Precautions
(1) Make sure that the danger areas are clear of persons and/or equipment.
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.
(2)
Close the APU access doors 315AL and 316AR (Ref. TASK 52-41-00-410-001).
(3)
If an emergency or a malfunction occurs during operation of the APU, do the emergency shutdown procedure immediately. You can start the emergency shutdown from:
-
the APU FIRE PUSH pushbutton switch on the panel 20VU.
-
the APU SHUT OFF pushbutton switch on the panel 108VU.
NOTE : Do the emergency shutdown immediately if fire, smoke, unusual
____
noise, fuel or oil leakage occurs.
Subtask 49-00-00-860-064
B. Aircraft Maintenance Configuration
(1)
Open the access door 811 (Ref. TASK 52-41-00-010-002).
(a) Put the warning notice in position on the opened access door 811 which tells persons not to close the door.
(2)
Energize the aircraft electrical circuits.
(a)
On the ELEC section on the panel 35VU:
-make sure that the BAT 1 and BAT 2 pushbutton switches are in the auto position (the OFF and FAULT legends are off).
(b)
Energize the aircraft electrical circuits from the external power (Ref. TASK 24-41-00-861-002).
(3)
Make sure that there is sufficient fuel in the A/C fuel system.
(4)
Depressurize the aircraft hydraulic systems
(Ref. TASK 29-00-00-864-001).
(5)
Make a service interphone connection from the cockpit to the APU compartment area (Ref. TASK 23-44-00-860-001).
(6)
On the AIR COND section of the panel 30VU:
-
make sure that the APU BLEED pushbutton switch is in the off position (the ON and FAULT legends are off).
-
make sure that the X BLEED selector switch is in the AUTO position.
(7)
On panel 115VU:
-make sure that both ENG MASTER control switches are in OFF position
(8)
Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. TASK 31-60-00-860-001)
(a) On the ECAM control panel, push the APU pushbutton switch (on the lower ECAM DU, the APU page comes on).
(9)
Make sure that the APU fire and overheat detection system and the APU fire extinguishing system are operational (Ref. TASK 26-22-00-710-001).
(10)
Remove the APU air intake and exhaust blanking plugs.
(11)
If not required during operation of the APU, remove the ground support equipment, the special and standard tools and all other items.
Subtask 49-00-00-865-089
C. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU APU/FUEL/BLOW OFF/PUMP 2QC B14 121VU APU/FUEL/BLOW OFF/CTL 1QC K39 121VU APU/FIRE AND OVHT/DET/LOOP B 2WG L44 121VU APU/FIRE AND OVHT/DET/LOOP A 1WG L43 121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41 121VU APU/FIRE/EXTIG/SQUIB/B 2WF L39 121VU APU/FIRE/EXTIG/SQUIB/A 1WF L38
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