Reassemblying The Piston-Connecting Rod Assemblies; Reinstall The Rings On The Piston - Nanni T4.155 Workshop Manual

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REASSEMBLYING THE PISTON-
CONNECTING ROD ASSEMBLIES
1. REINSTALL THE PISTON-CONNECTING ROD
ASSEMBLY
a. Reinstall the new spring on one side of the piston pin
hole.
b. Gradually heat the piston until it reaches a temperature
of approximately 80°C.
c. Coat the piston pin with engine oil.
d. Make the front mark of the piston and the connecting
rod in line, and then push the piston pin into the piston
with the pressure generated by the thumb.
e. Reinstall a new snap ring on the other end of the piston
pin.

2. REINSTALL THE RINGS ON THE PISTON

a. Reinstall the hand expander.
b. Reinstall the ring expander and the oil scraper ring.
ADVICE:
Position the gap of the oil scraper ring on the side
opposite the junction section of the expander ring.
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