THEORY OF OPERATION - continued - TM-9-2320-361-24-10070

TM 9-2320-361-24-1

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THEORY OF OPERATION (Contd)

OIL SYSTEM

Oil System Operation: The oil system provides lubrication for internal engine parts. The major

components of the engine oil system are as follows:

A CRANKCASE BREATHER Vents engine crankcase.

B OIL FILLER CAP Covers engine oil fill opening.

C OIL DIPSTICK Used to indicate engine oil level.

D OIL PRESSURE TRANSMITTER Sends an electrical signal indicating engine oil pressure to the

oil pressure gauge on instrument panel.

OIL FILTERS Filters oil of dirt and other foreign material to help ensure flow of uncontaminated

oil to engine.

OIL COOLER Removes excess heat from engine oil as coolant circulates through internal tubes of

oil cooler.

OIL PAN Reservoir for engine oil.

ENGINE OIL PAN DRAINPLUGS When removed, allows oil to be drained from engine.

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