| 1. To insert directing core into the plug. |
| 2. To establish a grinding head the party with a konusnost 45 ° on a valve saddle, see fig. A grinding head for processing of saddles of valves. |
| 3. To attach the handle with the rasporny plug. Grinding to continue until the grinding head will not start to remove saddle metal evenly on all circle. It is necessary to aspire to remove as little as possible metal from a saddle facet. |
| 4. To overturn a grinding head and to establish it the party with a konusnost 30" on a saddle. To carry out similar to polishing of a facet of a saddle. The same grinding head is applied to processing of saddles of inlet and final valves. |
| 5. To cover facets of a saddle with thin grinding paste, to insert into the plug the valve and carefully to turn it with small pressing. To raise the valve and to check prilegany its heads to a saddle. If there is no uniform contact of the valve to a saddle, to repeat operation of polishing of a saddle. |
| 6. Grinding in of valves. |
