4. Procedure
_________ Subtask 49-23-17-420-050
A. Installation of the Sensor
(1)
Put the sensor (2) in position on the APU air inlet wall.
(2)
Apply OILS (Material No. 03-002) to the bolts (3).
(3)
Install the sensor (2) with one of the two bolts (3).
(4)
Install the bonding lead (4) with the remaining bolt (3) (Ref. TASK 20-28-00-912-004).
(5)
TORQUE the bolts (3) to 40 lbf.in (0.45 m.daN).
(6)
Remove the blanking caps from the electrical connectors.
(7)
Make sure that the electrical connectors are clean and in the correct condition.
(8)
Connect the electrical connector P22 (1) to the sensor (2). Subtask 49-23-17-865-052
B.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
Subtask 49-23-17-740-050
C. Do the self-test of the ECB (Ref. TASK 49-00-00-710-005).
5. Close-up
________ Subtask 49-23-17-410-050
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Set the LIGHT control switch 11LJ to the off position.
(3)
Close the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-410-001).
(4)
Remove the access platform(s).
(5)
Remove the warning notice(s). Subtask 49-23-17-860-050
B.
Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
ACTUATOR - INLET GUIDE VANE - REMOVAL/INSTALLATION
__________________________________________________ R **ON A/C 001-003, 051-099, 401-499,
TASK 49-23-51-000-002
Removal of the Inlet Guide Vane-Actuator (8014KM) (GTCP 36-300)
WARNING : MAKE SURE THAT YOU HAVE THE CORRECT FIRE FIGHTING EQUIPMENT
_______
AVAILABLE.
WARNING : DO NOT GET AIRCRAFT FUEL:
_______
-
IN YOUR MOUTH
-
IN YOUR EYES
-ON YOUR SKIN FOR A LONG TIME.
AIRCRAFT FUEL IS POISONOUS.
WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______
WHEN YOU DO THE MAINTENANCE TASK(S).
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
No specific blanking plugs
No specific circuit breaker(s) safety clip(s)
No specific container 2.0 L
No specific access platform 3.5 m (11 ft. 6 in.)
No specific spring balance 50 lb (22.6796 kg)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External
Power 28-00-00-910-001 Fuel Safety Procedures 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action
49-00-00-860-003 APU Start by External Power (GTCP 36-300)
49-00-00-860-004 APU Shutdown by External Power (GTCP 36-300)
52-41-00-010-001 Open the APU Doors for Access
49-23-51-991-002 Fig. 401
R **ON A/C 001-003, 051-099,
49-23-51-991-008 Fig. 402 R **ON A/C 001-003, 051-099, 401-499,
3. Job Set-up
__________
Subtask 49-23-51-941-052
A. Safety Precautions
(1)
Obey the Fuel Safety Precautions (Ref. TASK 28-00-00-910-001).
Subtask 49-23-51-860-053
B.
Aircraft Maintenance Configuration
(1)
Energize the ground service network
(Ref. TASK 24-42-00-861-001).
(2)
On the panel 25VU, make sure that the APU MASTER SW p/bsw is OFF.
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