Piston Ring: Service and Repair

1. Remove the piston rings from the pistons.
2. Install the piston rings onto the piston. The marked side of the piston rings must face toward the top of the piston.
3. Use the following procedure in order to locate the piston ring gaps:
a. Install the oil ring spacer in the groove.
b. Hold the spacer ends together and property locate the gap in order to install the tower oil ring rail.
c. Properly locate the gap and install the upper oil ring rail.
d. Flex the oil ring assembly to make sure the rings are free.
e. Install the tower compression ring.
f. Install the upper compression ring.
4. Install the compression piston rings with the ring gaps 120 degrees apart. Stagger the end gaps on the oil control rings.