ARMY TM 9-6115-464-12AIR FORCE TO 35C2-3-445-1NAVY NAVFAC P-8-624-121-17ENGINE LUBRICATION SYSTEM.IThe Engine Lubrication System (Figure 1–9) consists of an oil pan, dip-stick, pump, pressure sensor, filter, and oil level sensor. The oil pan is a reservoir for engine lubricating oil. The dip-stick indicates oil level in the oil pan. A pump draws oil from the oil pan and through a screen removing large impuri-ties. The oil then passes through a canister type filter where small impurities are removed. From the filter, oil isdistributed to the engine’s internal moving parts. After passing through the engine block, the oil returns to the oilpan. The engine pressure gauge is a dial indicator type gauge which is calibrated in psig from 0 to 60. It measuresengine lubrication oil pressure. Normal indication is from 20 to 55 psig. The engine will shut off automatically if theoil pressure drops below 20 psi.OIL PANPUMPOIL PRESSURESENSORFILTERBLOCKFigure 1–9. Engine Lubrication System1-19
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