_ _ _ _ _ _ _ _ _ _ _ 3. 3 CYLINDER, PISTON AND PISTON
RING _ _ _ _ _ _ _ _ _
17
Cylinder
11
X
2
0-ring
~__.,,~~~
7.5rrrn rubber packing
[ J
Top rmg
(
\
Second ring
Oil
ring
Fig.
3. 15-A
Fig.
3
.
15-B
Cross section of piston ring
Piston pin
.
~~'"
p;o
cl;p
ring
ring