(2)
Open the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-010-001).
(3)
Set the LIGHT control switch 11LJ to the on position.
4. Procedure
_________ Subtask 49-23-51-020-052
A. Removal of the IGV Actuator
(Ref. Fig. 401/TASK 49-23-51-991-004)
CAUTION : PUT PLASTIC CAPS OR PLUGS ON ALL FUEL AND/OR LUBRICATION SYSTEM
_______ COMPONENTS AND LINES. IF YOU USE TAPE, CLOTH, OR METAL CAPS ON THEM, YOU CAN DAMAGE THE APU.
Inlet Guide Vane Actuator
Figure 401/TASK 49-23-51-991-004
CES CAUTION : YOU MUST USE TWO WRENCHES AND HOLD THE COMPONENT WHEN YOU
_______ REMOVE/INSTALL THE PIPE COUPLINGS AND/OR UNIONS. THIS PREVENTS DAMAGE TO THE COMPONENT.
(1)
Disconnect the electrical connector P21 (2) from the actuator (1).
(2)
Put blanking caps on the disconnected electrical connectors.
(3)
Put a container below the actuator to catch the residual fuel.
(4)
Disconnect the tubes (3), (10) and (11) from the actuator (1).
(5)
Remove the quick-disconnect pin (6) from the actuator support (5). or remove the screw (9) and the bracket (8) and then the quick-disconnect pin (6) from the actuator support (5).
(6)
Loosen and remove the V-band clamp (4) and remove the actuator (1).
TASK 49-23-51-400-003 Installation of the Inlet Guide Vane Actuator (8014KM) (APS 3200) 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 Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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 49-00-00-710-008 Operational Test of the APU (APS 3200) 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access
3. Job Set-up
__________ Subtask 49-23-51-941-054
A. Safety Precautions
(1) Obey the Fuel Safety Precautions (Ref. TASK 28-00-00-910-001).
Subtask 49-23-51-860-051
B. Aircraft Maintenance Configuration
(1)
On the panel 25VU, make sure that the APU MASTER SW pushbutton switch is off.
(2)
Make sure that there is a warning notice in the cockpit to tell persons not to start the APU.
(3)
Make sure that hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
(4)
Make sure that the access platform is in position below the APU compartment.
(5)
Make sure that the APU access doors are open (Ref. TASK 52-41-00-010-001).
(6)
Make sure that the LIGHT control switch 11LJ is set to the on position.
4. Procedure
_________ Subtask 49-23-51-420-052
A. Installation of the IGV Actuator CAUTION : -YOU MUST NOT INCREASE THE TIGHTENING TORQUE MORE THAN THE
_______ MAXIMUM VALUE. -APPLY ALL TIGHTENING TORQUES WITH A TORQUE WRENCH OR A CALIBRATED SCREWDRIVER.
CAUTION : DO NOT TORQUE THE V-CLAMP(S) TO MORE THAN THE SPECIFIED VALUE.
_______
YOU CAN DAMAGE THE FLANGE SURFACES IF YOU DO.
(1)
Put the V-band clamp (4) in position on the APU mounting flange.
(2)
Position the actuator alignment pin with the hole in the mounting flange and install the actuator (1).
(3)
Secure the clamp (4).
(4)
Install the quick disconnect pin (6) in the actuator support (5). or Install the quick disconnect pin (6) in the actuator support (5) and install the bracket (8) with the srew (9).
(5)
Install the tubes (3), (10) and (11) on the actuator (1).
(6)
TORQUE the tube connector (3) to between 90 and 100 lbf.in (1.01 and
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