Under the pressure of the spring 9, the plunger and the cylinder move away from each other, due to which the gap between the camshaft cam and the end of the valve stem is selected.
The filling and locking of the high pressure chamber 8 is provided by the check valve 3.
Section of the hydraulic pusher: 1 - camshaft cam; 2 - pusher; 3 - check valve; 4 - cylinder; 5 - storage chamber; 6 - valve; 7 - rolled oil supply to the pusher; 8 - high pressure chamber; 9 - valve clearance compensation spring.
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