2. Operation
_________ (Ref. Fig. 001) The lubrication system consists of four subsystem, each of which accomplishes a specific function to ensure adequate lubrication for the bearings and gears of the engine :
- the lube supply system
- the lube scavenge system
- the oil seal pressurization system
- the sump venting system.
NOTE : The appropriate lines and fittings are made of fire proof materials.
____
3. Oil Servicing
_____________
To permit servicing:
- two drain ports are normally provided (a gearbox plug, a tank plug)
- two filling ports on the oil tank (gravity and pressure).
4. Component Location
__________________
(Ref. Fig. 002, 003)
-------------------------------------------------------------------------------FIN I FUNCTIONAL DESIGNATION I PANELIZONEIACCESS I ATA I I I I DOOR I REF. -------------------------------------------------------------------------------
4000EN SW-LOW OIL PRESS
4001EN SW-OIL FILTER DIFF PRESS
4002EN XMTR-OIL QTY
4003EN XMTR-OIL PRESS
4004EN SENSOR-OIL TEMP
435 437AL 79-34-15 445 447AL435 437AL 79-35-15 445 447AL435 437AL 79-31-15 445 447AL435 437AL 79-33-15 445 447AL435 437AL 79-32-15 445 447AL
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Lube System Schematic
Figure 001 (SHEET 1)
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Lube System Schematic
Figure 001 (SHEET 2)
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Controls and Indicating - Component Location
Figure 002
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INTENTIONALLY BLANK
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Engine Lubrication System - Main Components Location Figure 003 (SHEET 1)
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Engine Lubrication System - Main Components Location Figure 003 (SHEET 2)
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OIL - GENERAL - MAINTENANCE PRACTICES
_____________________________________
TASK 79-00-00-480-001
Installation of a Magnetic Bar in the Scavenge Screen Plugs (OPTIONAL)
CAUTION : THE INSTALLATION OF THE MAGNETIC BARS IS ONLY AN HELP FOR
_______ TROUBLESHOOTING. REVENUE SERVICE FLIGHTS WITH THE MAGNETIC BARS INSTALLED MUST BE LIMITED TO 5 FLIGHTS OR 25 HOURS AND THEN THE MAGNETIC BARS MUST BE REMOVED.
- IT IS TEMPORARY STEP FOR TROUBLESHOOTING AND MUST BE LIMITED TO ONE OF TWO ENGINES.
1. Reason for the Job
__________________
To identify the source of magnetic particles detected by the master chip detector, during a troubleshooting procedure.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2442 * engine oil (Ref. 70-30-00)
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C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 79-21-10-000-007 Removal of the Scavenge Srceen Plugs from the
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