WARNING : DO NOT LET OIL STAY ON YOUR SKIN FOR A LONG TIME AS IT CAN CAUSE
_______
INJURY.
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 plugs
No specific circuit breaker(s) safety clip(s)
No specific container 10 l (2.6416 USgal)
No specific access platform 3.5 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action
52-41-00-010-001 Open the APU Doors for Access
49-91-44-991-001 Fig. 401
3. Job Set-up
__________ Subtask 49-91-44-860-055
A. 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.
(3)
Put 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 49-91-44-865-050
B. 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 49-91-44-010-050
C. 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)
Set the LIGHT control switch 11LJ to the on position.
4. Procedure
_________
(Ref. Fig. 401/TASK 49-91-44-991-001) Subtask 49-91-44-020-050
A. Removal of the Oil Cooler (8079KM)
(1)
Remove the clamps (1).
(2)
Disconnect the cooling air inlet duct (2) and the outlet duct (3) from the oil cooler (8079KM) (4).
(3)
Put blanking plugs on the disconnected line ends.
(4)
Put the container below the thermal bypass valve (5).
(5)
Remove the bolts (6) and the retainer plate (7) from the thermal bypass valve (5).
(6)
Hold the oil cooler (8079KM) (4) and remove the bolts (10) and the washers (11).
(7)
Remove the oil cooler (8079KM) (4).
(8)
Point the open end of the oil pipes (8) into the container and drain.
(9)
Remove and discard the O-rings (9).
(10) Put blanking plugs on the disconnected line ends.
Oil Cooler
Figure 401/TASK 49-91-44-991-001
CES TASK 49-91-44-400-001
Installation of the Oil Cooler (8079KM) (GTCP 36-300)
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 0.00 to 1.20 m.daN
(0.00 to 9.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 03-002 GB DEF-STAN 91-101 LUBRICATING OIL TURBINE ENGINE SYNT BASE (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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