1.5L REVOTORQ BS VI ENGINE 83 The Lubrication System consists of the following components. 1. Oil Pump 2. Oil Filter. 3. Oil Strainer. 4. Oil Cooler. 5. Hydraulic Lash Adjuster (HLA) 6. Piston Cooling Nozzles. 7. Oil Pressure Switch COMPONENTS A. Oil Pump The oil pump is a simple gear pump driven by crankshaft. The main function of the oil pump is to circulate oil through the engine movable components. It sucks the oil from the oil sump through a strainer which prevents entrance of any particles into the pump, and supplies to the oil gallery. To keep the oil pump from building up too much pressure, a relief valve is also fitted to the oil pump. Oil Pump Specifications: Pump Speed (in RPM) FLOW RATE IN LPM (Min) AT 3 bar BACK PRESSURE 800 8 1700 20 4000 45 B. Oil Filter The oil filter used is a “SPIN ON TYPE” fitted to the oil cooler. The main function of oil filter is to filter all contaminants that get ingested into the engine, along with traces of worn out metals from bearings and other internal parts. The oil enters the oil filter under pressure through the holes on the perimeter of the base plate. The oil then passes through the filter element where it is "cleaned", and then flows to the central tube and back into the engine, oil gallery. C. Oil Strainer The oil strainer is fitted to the oil pump, through which the oil is drawn from oil sump and supplied to the oil gallery. The strainer acts like a filter and blocks the contaminants from entering the oil pump.
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