A320飞机维护手册 AMM 机载辅助动力 AIRBORNE AUXILIARY POWER1(105)_航空信息_民用航空_通用航空

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2. On the APU FIRE panel 231VU: On the APU FIRE panel 231VU:
- push and hold the APU FIRE TEST - the APU FIRE light in the APU FIRE
p/bsw. p/bsw comes on (half-light).
- the SQUIP/DISCH legends in the AGENT
p/bsw comes on.
- release the APU FIRE TEST - the APU FIRE light and the
p/bsw. SQUIP/DISCH legends go off.
3. On the APU section on the panel On the APU section on the panel 25VU:
25VU:
- push the APU START pushbutton - the ON legend in the APU START
switch. pushbutton switch comes on .
NOTE : The ECB (59KD) controls and____
monitors the APU start.
At the end of the APU start
sequence:
On the panel 25VU:

R EFF : 001-049, 101-105, 107-107, 151-199, 49-00-00Page 224 201-210, Config-2 Aug 01/05
CES

-
the AVAIL legend in the APU START pushbutton switch comes on.

NOTE : If necessary, the APU generator can energize the aircraft
____
electrical circuits (Ref. TASK 24-41-00-861-002).

NOTE : If necessary, the APU can supply bleed air for the
____
pre-conditioning (Ref. TASK 12-33-21-618-001).

R EFF : 001-049, 101-105, 107-107, 151-199, 49-00-00Page 225 201-210, Config-2 Aug 01/05
CES TASK 49-00-00-860-009

APU Shutdown by External Power (131-9(A))
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-33-21-618-001 Pre-conditioning through the HP Ground Connection 24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from
the External Power 31-60-00-860-001 EIS Start Procedure 31-60-00-860-002 EIS Stop Procedure 49-00-00-910-003 Safety Precautions for the Operation of the APU
(131-9(A))
3. Job Set-up
__________
Subtask 49-00-00-860-090
A. Aircraft Maintenance Configuration
(1)
Do the EIS start procedure (Ref. TASK 31-60-00-860-001).

(2)
If the APU has supplied bleed air to other aircraft system(s):

-do the preconditioning through the HP ground connection (Ref. TASK 12-33-21-618-001).
- on cockpit panel 30VU push the APU BLEED p/bsw to stop the APU bleed supply.
(3) If the APU has supplied electrical power to the aircraft:
-energize the aircraft electrical circuits (Ref. TASK 24-42-00-861-001).
- on panel 35VU push the APU GEN p/bsw to stop the APU electrical power supply.

R EFF : 001-049, 101-105, 107-107, 151-199, 49-00-00Page 226 201-210, Config-2 Aug 01/05
CES 4. Procedure

_________
Subtask 49-00-00-860-091
A. Shutdown of the APU
CAUTION : OBEY THE SAFETY PRECAUTIONS.
_______
NOTE : Obey the safety precautions for the operation of the APU
____
(Ref. TASK 49-00-00-910-003).

-------------------------------------------------------------------------------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.

On the APU page on the lower ECAM DU:

-
the APU indications show that the APU is in the shutdown sequence and stops.

5. Close-up
________
Subtask 49-00-00-860-092
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)
Stop the HP pre-conditioning (Ref. TASK 12-33-21-618-001), if not longer necessary.
　
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