(1)
Pressurize the reservoirs of the hydraulic systems.
(Ref. TASK 29-14-00-614-002).
(2)
De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
(3)
Remove the warning notice(s).
TASK 49-90-00-600-002- 01
Oil Change (Top-Off Method) (GTCP 36-300)
CAUTION : USE ONLY APPROVED TYPES/BRANDS OF LUBRICANTS. DO NOT MIX
_______ TYPES//BRANDS OF LUBRICANTS.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific container 3.0 l (0.7925 USgal)
No specific access platform 3.5 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
the Ground Connector 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) 49-91-41-200-001 Remove and discard Alternator Scavenge Filter Element
(8069KM) (GTCP 36-300) 49-91-45-200-002 Remove and discard Lube Filter Element (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
3. Job Set-up
__________ Subtask 49-90-00-860-064
A. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(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 49-90-00-865-066
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 49-90-00-010-058
C. Get Access
(1)
Put the access platform 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 SW 11LJ to the ON position.
4. Procedure
_________ Subtask 49-90-00-612-061
A. Examine Oil Level and Replenish (Top-Off Method)
(1)
Check the oil level on the sight glass. NOTE : If the oil level is at the FULL mark on the sight glass, do
(2)
Change the oil-filters (Ref. TASK 49-91-41-200-001) and (Ref. TASK 49-91-45-200-002).
(3)
Put the container in position below the APU filling port to collect oil overflow.
(4)
Make sure that the filler cap is clean.
(a) Pull the lock and slowly open the filler cap to release any pressure from the APU.
(5)
Add the oil. WARNING : PUT THE OIL INTO THE GRAVITY-FILL PORT SLOWLY. THIS WILL
____
not add oil to the APU.
_______ PREVENT A BLOW-BACK OF HOT OIL WHICH CAN BURN YOU.
CAUTION : DO NOT FILL THE GEARBOX ABOVE THE FULL MARK ON THE SIGHT
_______ GLASS. DURING APU OPERATION THE OIL EXPANDS WHICH COULD CREATE AN OVER-FILLED CONDITION RESULTING IN LEAKAGE AND POSSIBLE OIL SMELL IN THE CABIN.
(a) Slowly add the oil until the level in the APU is at the FULL mark.
(6)
Close and lock the filler cap.
(7)
Remove the container.
(8)
Attach a oil-data service tag to the APU. Subtask 49-90-00-410-061
B.
Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
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