1 - oil pressure indicator sensor, installed at the end of the line
2 - bypass valve, opens when the filter is clogged
3 - safety oil valve, opens when pressure is exceeded
The oil pump sucks oil through the intake filter in the oil sump and delivers it to the main oil filter, there is a safety valve on the discharge side of the pump. If the pressure is exceeded, the oil drains through the valve back into the crankcase. After the main filter, the oil enters the main oil line. When clogged, the bypass valve sends it to the line not cleaned
From the main oil line there are branches for lubricating the crankshaft bearings. Through inclined channels in the crankshaft, oil enters the connecting rod bearings and from there to the piston pin into the cylinder. At the same time, oil flows through pipelines to the camshaft bearings and hydraulic pushers.
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