1.2L REVOTRON ENGINE 68 Description : The lubrication system layout is as shown in the schematic above. The G-rotor oil pump is mounted on the crankcase. Oil is drawn up from the sump through oil pump strainer and passes through the pump to Oil Filter. The filtered oil flows through the internal drilled holes into the crankshaft oil gallery from here it is supplied to connecting rod bearings and also to the main bearings by means of intersecting passages drilled in the crankshaft. It is then flow through the hydraulic lash adjuster (HLA). There is another path which takes the oil up from the crankshaft oil gallery to camshaft oil gallery in cylinder head and lubricates the camshaft. The camshaft oil gallery also provides the oil needed by rocker arm. Oil to chain tensioner and chain drive through cylinder head. Oil to solenoid valve and intake cam phaser. The relieved oil drains back to oil sump. The lubrication system consists of the following components. 1. Oil Pump 2. Strainer 3. Oil Sump 4. Oil Filter Assembly 5. Oil Pressure Switch Sensor 6. Crankshaft 7. Piston-Connecting Rod Assy. 8. Camshaft Components : 1. Oil Pump : Oil Pump is directly driven with 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 SPECIFICATION: Pump Speed (RPM) Oil Flow Rate (LPM) 1000 12.5±1 6000 50±1
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