TM10-3930-660-20 ENGINE  LUBRICATION  SYSTEM OIL  PUMP. Located on the front housing cover side. The pump draws oil from the oil pan and sends it through the oil cooler, and then through the oil filter. From  the filter, the oil enters the cylinder block to lubricate the engine and is then returned to the oil pan. From the filter, oil is also sent through the turbocharger and then returned to the oil pan. OIL PAN. Contains the oil that lubricates moving parts in the engine. It is attached to the bottom of the engine. ENGINE OIL COOLER. When the engine is warm, the oil is sent through the oil cooler to lower its temperature. OIL  FILTER. Removes particles from the oil which could cause damage to the internal parts of the engine. 1-9