TASK 49-00-00-860-003- 01
APU Start by Batteries (GTCP 36-300)
WARNING : DISCONNECT THE LOW TENSION ELECTRICAL SUPPLY 5 MINUTES BEFORE YOU
_______ START WORK ON THE IGNITION SYSTEM. ALSO, GROUND THE IGNITER LEAD WITH AN INSULATED DEVICE AS YOU DISCONNECT IT FROM THE IGNITER PLUG. HIGH CURRENT AND VOLTAGE, WHICH ARE USED IN THE IGNITION SYSTEM, CAN KILL YOU.
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 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.
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1. Reason for the Job
__________________
NOTE : Refer to SIL 00-085 for APU operation in extreme hot weather
____
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
APU 26-22-00-710-001 Operational Test of the APU Fire-Extinguishing
Loop/Squib 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
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Subtask 49-00-00-941-073
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 49-00-00-860-125
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.
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