Piston Ring: Service and Repair

1. Remove piston rings.
(a) Using a piston ring expander, remove the 2 compression rings.
(b) Remove the 2 side rails and oil ring by hand.

NOTE: Arrange the piston rings in correct order only.

2. Install piston rings.
(a) Install the oil ring expander and 2 side rails by hand.





(b) Using a piston ring expander, install the 2 compression rings with the code mark facing upward.
Code mark: No. 1 has an identifying "1R" or "T".
Code mark: No. 2 has an identifying "2R" or "2T".





(c) Position the piston rings so that the ring ends are as shown.

NOTE: Do not align the ring ends.