Piston: Service and Repair

Fig. 53 Exploded View Of Piston & Rod Assembly:

Refer to Fig. 53 when removing piston and rod assembly. Keep all components, such as connecting rod caps and bearings, in proper order for installation.
1. Reverse procedure to install, noting the following:
a. Pistons and rings are available in standard sizes and oversizes of 0.010, 0.020, 0.030 and 0.039 inch. Oversize pins are not available.

Fig. 54 Piston Assembly Identification Marks:

b. The piston and rod is assembled with the indented arrow on the piston and the embossed numeral on the rod facing toward front of engine, Fig. 54.
c. Position each piston ring gap as far apart as possible.
d. Ensure each piston and rod are installed in the same cylinder bore as removed.
e. Ensure connecting rod caps and bearings are placed on proper connecting rods, then tighten bolts to specification.