R EFF : 001-049, 101-105, 107-107, 151-199, 49-00-00Page 221 201-210, Config-2 Aug 01/05
CES
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-33-21-618-001 Pre-conditioning with the APU 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
APU 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
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Subtask 49-00-00-941-072
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.
R EFF : 001-049, 101-105, 107-107, 151-199, 49-00-00Page 222 201-210, Config-2 Aug 01/05
CES Subtask 49-00-00-860-120
B. Aircraft Maintenance Configuration
(1)
Open the access door 811 (Ref. TASK 52-41-00-010-002).
(2)
Put the warning notice in position on the opened access door 811 which tells persons not to close the door.
(3)
Remove the APU air intake and exhaust blanking plugs.
(4)
On the ELEC section on the panel 35VU:
-push the BAT 1 and BAT 2 pushbutton switches in the auto position (the OFF and FAULT legends are off).
(5)
Make sure that there is sufficient fuel in the A/C fuel system.
(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.
Subtask 49-00-00-865-129
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 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
R EFF : 001-049, 101-105, 107-107, 151-199, 49-00-00Page 223 201-210, Config-2 Aug 01/05
CES 4. Procedure
_________
Subtask 49-00-00-860-121
A. Start and operate the APU
CAUTION : OBEY THE SAFETY PRECAUTIONS.
_______
NOTE : If the APU must be started on BAT and the OAT is 0 deg. C or less,
____
we recommend:
-
to select the APU GEN to provide A/C electrical power.
-
to start L1 or L2 main fuel boost pump. This you must do immediately after the APU started and the AVAIL light is ON. In this way you avoid APU AUTO S/D because air in the APU fuel delivery line.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the APU section on the panel On the APU section on the panel 25VU:
25VU:
- push the APU MASTER SW - the ON legend in the APU MASTER SW
pushbutton switch. pushbutton switch comes ON.
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