Fig. 2.17. Piston rings and piston finger: 1–section of the top ring; 2–section of the second ring; 3–section of a maslosjemny ring; 4–lateral rings; 5–dilator
The following piston rings are used. top barrel-like ring. The second konusny with a pro-point. a maslosjemny ring – two rings and a dilator. The piston finger is made of an alloy of chromic steel which has the increased rigidity (fig. 2.17).