(2)
On the panel 25VU make sure that the APU MASTER SW pushbutton switch is off.
(3)
Make sure that there is a warning notice in the cockpit to tell persons not to start the APU.
(4)
Make sure that hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
Subtask 49-32-12-865-050
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
Subtask 49-32-12-010-050
D. Get Access
(1)
Put the access platform in position below the APU access doors 315AL and 316AR.
(2)
Open the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-010-001).
(3)
Make sure that the light SW 11LJ is set to the ON position.
(4)
Put a container below the flow divider (8).
4. Procedure
_________ (Ref. Fig. 401/TASK 49-32-12-991-001) Subtask 49-32-12-020-050
A. Removal of the Flow Divider and Drain Valve Assembly (8023KM) 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.
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)
Remove and discard the lockwire from the fuel pipe connections at the flow divider and drain valve assembly (8023KM) (8).
(2)
Disconnect the main fuel inlet-pipe (1) from the flow divider and drain valve assembly (8023KM) (8).
(3)
Disconnect the fuel drain pipe (2) from the flow divider and drain valve assembly (8023KM) (8).
(4)
Disconnect the secondary fuel pipe (3) from the flow divider and drain valve assembly (8023KM) (8).
(5)
Disconnect the primary fuel pipe (4) from the flow divider and drain valve assembly (8023KM) (8).
(6)
Hold the flow divider and drain valve assembly (8) and remove the bolt (5), the washer (6) and the bracket (7).
(7)
Remove the flow divider and drain valve assembly (8023KM) (8).
(8)
Put blanking plugs on the disconnected line ends.
(9)
Prevent damage to the component interface and the adjacent area.
Flow Divider and Drain Valve Assembly
Figure 401/TASK 49-32-12-991-001
CES TASK 49-32-12-400-001
Installation of the Flow Divider and Drain Valve Assembly (8023KM) (GTCP 36-300) WARNING : DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS
_______ WHEN YOU DO THE MAINTENANCE TASK(S).
WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
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 0.00 to 1.20 m.daN
(0.00 to 9.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific lockwire-corrosion resistant steel 0.8 mm (0.032 in) dia
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 49-00-00-710-004 Operational Test of the APU (4005KM) (GTCP 36-300) 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access 49-32-12-991-001 Fig. 401
3. Job Set-up
__________ Subtask 49-32-12-860-053
A. 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.
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