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 TM 55-1905-220-14-1
d. The Oil System is shown in Figure 1-52. Full pressure lubrication is supplied to all main, connecting rod and
camshaft bearings, and to other moving parts within the engine. A gear-type pump draws oil from the oil pan through an
intake screen, through the oil filter and then to the oil cooler. From the oil cooler, the oil enters an oil gallery in the
cylinder block where the supply divides. A portion enters the by-pass filter, and then drains back into the oil pan. A part
goes to the cam and balance shaft end bearings and cylinder head, and the remainder goes to the main bearings and
connecting rod bearings by way of the drilled crankshaft.
Figure 1-52. Lubrication System
1-89
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