TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
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TM 9-2320-361-24-1 0003 00 0003 00-8 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: CRANKCASE BREATHER – Vents engine crankcase. OIL FILLER CAP – Covers engine oil fill opening. OIL DIPSTICK – Used to indicate engine oil level. 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. H G F E D C B A