To grind in of valves has to be done with the use alone of the briefcase of polishing of fine granulation.
ORDER OF REALIZATION
Quantity of briefcase to polish a surface of a saddle of the little valve with an and to install the valve in the corresponding saddle. To hold tight densely to a plate of the valve a cupping glass of rubber and to make spinning the valve in one or another party.
After the end of the process of the grinding in carefully for compensating for all the details of dirt and briefcase and to check a saddle and a plate of the valve. The continuous opaque ring in both details that specifies the width of facet of valve will be visible.