(a) Using a micrometer and with the piston upside down,
measure the piston diameter at right angles to ‘the
piston pin hole center line, at the indicated distance
from the piston head.
Distance: 33 mm (1.30 in.)
HINT: There are three sizes of the standard piston
diameter, marked ”’1”, ”2”, and ”3”, accordingly. The
mark is stamped on the top of the piston.
(c) Using solvent and a brush, thoroughly clean the
piston.
NOTICE: Do not use a wire brush.
(b) Using a groove cleaning tool or broken ring, clean the
ring grooves.
2. INSPECT PISTON DIAMETER AND OIL CLEARANCE
–ENGINE ENGINE MECHANICAL
EG1–59
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