Lubrication System Lubricating Circuit
Fig.2-1
1. Oil that has been filtered through the oil filter is forced to the oil cooler and to the main oil gallery and to the main bearings and others through the passages. 2. The cylinder walls, piston pins and bushes are lubricated by splash and oil mist. 3. Oil from the No. 3 main bearing lubricates the oil pump drive shaft and pump driven gear. 4. Oil from the No. 1 camshaft bearing is directed up to the No. 1 rocker arm support through a passage, then passes through inside of the rockers shaft and lubricates rocker arm bush and shaft. Also, oil lubricates the valve stem, and other valve train surface.
D430 Diesel Engine
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Lubrication System
