(4)
If necessary, make a service interphone connection from the cockpit to the APU compartment area (Ref. TASK 23-44-00-860-001).
(5)
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.
(6)
On panel 115VU:
-make sure that both ENG MASTER control switches are in OFF position
(7)
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).
(8)
Do the start procedure of the ADIRS (Ref. TASK 34-10-00-860-002).
NOTE : If the ADIRU 2 is selected OFF or not available the APU Bleed
____
Pressure indication is replaced by amber 'XX'.
(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.
(12)
Do the self-test of the ECB (Ref. TASK 49-00-00-710-001).
(13)
Get acces to the APU menu page in SYSTEM REPORT/TEST (Ref. TASK 31-32-00-860-001)
(a) Push the line key adjacent to the GND SCANNING indication. Keep the GND SCANNING active during the operational test of the APU.
R **ON A/C 001-003, 051-099, 401-499,
Subtask 49-00-00-865-066
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
-------------------------------------------------------------------------------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 121VU APU/FIRE/LP VALVE/NORM 4WF M42 121VU APU/FIRE/LP VALVE/STBY 3WF M41 121VU APU/FUEL/LP VALVE/CTL 1QF M40 121VU APU/FUEL/LP VALVE/SPLY 2QF M39 121VU APU/FUEL/PUMP/CTL 3QC M38
4. Procedure
_________
**ON A/C 001-003, 051-062,
Subtask 49-00-00-710-053
A. Operational Test of the APU
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the panel 35VU: On the panel 35VU:
-push the BAT1 and BAT2 - DC V battery indicators show each pushbutton switches to the AUTO battery voltage (28V maximum, 21V position. minimum).
2. On the panel 11VU: On the ECAM panel display:
-push the BLEED pushbutton - the BLEED system page comes on. switch on the ECAM panel.
-------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
3. On the panel 30VU:
-push the APU BLEED pushbutton switch to the OFF position.
4. On the panel 30VU:
-set the APU X BLEED switch to the AUTO position.
5. On the panel 40VU:
-push the fuel X FEED pushbutton switch to the CLOSED position.
6. On the panel 25VU:
-push the APU MASTER SW pushbutton switch to the ON position.
7. On the panel 11VU:
-push the APU pushbutton switch on the ECAM panel.
8. On the panel 25VU:
-push the APU START pushbutton switch to the ON position.
9. On the lower ECAM display:
-
check at 7% N.
-
check acceleration.
On the panel 30VU:
-
the ON legend in the APU BLEEDpushbutton switch goes off.
On the lower ECAM display:
-
the X BLEED valve is in the closedposition.
On the panel 40VU:
-
the ON legend in the fuel X FEEDpushbutton switch goes off.
On the panel 25VU:
-
the ON legend in the APU MASTER SWcomes on.
NOTE: The MASTER SW FAULT legend could come on if the Battery Charge Limiter does a power-up test after A/C power loss. Wait 45 seconds, recycle the APU MASTER SW then continue with the start sequence.
On the ECAM panel display:
-APU systems page comes on.
-
the FLAP OPEN indication comes on.
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