2020-01-19 The function of the lubrication system is to provide sufficient oil to the friction surfaces of the diesel engine to reduce its wear and ensure its normal operation. At the same time, it also has the functions of heat dissipation, cleaning, sealing and corrosion prevention. The lubrication system is mainly composed of oil pump, oil filter, centrifugal filter, various regulating valves and lubrication pipeline oil cooler.