Engine

PISTON AND CONNECTING ROD ASSEMBLY
PISTON REMOVAL, MEASURE AND INSTALLATION
Removal
Rotate the crank shaft to the bottom dead
center (BDC) of the removed cylinder, check
whether there is a cylinder number on the
connecting rod body and cap, which shall be
on the left of the rod (seeing from the front).
If there is no such a number, number each
cylinder before removal.
Remove the connecting rod bolts to dismantle
the connecting rod cap, take the
connecting-rod bearing shell out and label the
cylinder number and bottom and top shell on
the back of the shell.
Push the connecting rod and piston out from
the cylinder block with a wooden club and
take the cylinder rod out.
Remove the piston ring with a special tool or
the leaf of a clearance gauge and label each
cylinder and bottom and top leaf.
Press the piston pin out of the piston and the
small end of the connecting rod with a press
machine and put the piston, piston ring and
pin of each cylinder together.
A-33
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