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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 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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