Crankcase ventilation system (with carburetor)
1 - control valve, 2 - separator, 3 - filter in the oil cap
Crankcase ventilation system (with fuel injection system)
Crankcase ventilation valve
A - full opening, B - partial opening. 1 - housing, 2 - spring, 3 - piston, 4 - washer, 5 - stopper
Through the oil separator 2 with an adjustable valve 1, crankcase gases are discharged into the intake manifold (see fig. Crankcase ventilation system (with carburetor)). The crankcase ventilation depends on the intake air flow of the running engine. The control valve, as well as the filter, in the oil plug, must be washed in fuel every 20,000 km. The valve must be replaced every 40,000 km of the vehicle.
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