Zontes ZT310M 2022, Руководство по обслуживанию

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5. As shown in the figure, screw 2 M6 bolts into the camshaft threaded hole, keep the camshaft angle consistent with
the point T of the alignment time, or rotate it slightly counterclockwise to an appropriate angle, and then remove the
camshaft.
6. As shown in the figure, use the valve spring overhead pliers to remove the valve lock clamp (do not over-compress
the valve spring). After removing the valve lock clip, remove the valve spring retainer, valve spring, valve stem
diameter oil seal (
The removed valve stem diameter oil seal cannot be used again
), valve spring base, and valve
in sequence.
7. As shown in the figure, remove the carbon deposits in the combustion chamber.
Do not scratch the joint surface of the cylinder head and the surface of the valve
seat ring.
Lock clip