Pic. 1.11a
1. Rotate the crankshaft of the engine, set the piston of cylinder No. 1 to the top dead center position.
4. Turn the crankshaft clockwise (from the gas distribution mechanism) to the first mark.
5. Adjust backlashes of final valves of 1 and 3 cylinders.
Pic. 1.11b
6. Turn the crankshaft to the second mark.
7. Adjust clearances of inlet valves of 1 and 3 cylinders.
8. Turn the crankshaft to the third mark.
9. Adjust: gaps of final valves of 2 and 4 cylinders.
10. Turn the crankshaft to the fourth mark.
11. Adjust: gaps of inlet valves of 2 and 4 cylinders.