CHECKING PISTON RING CLEARANCE
1.
Put the piston ring
in
the cylinder.
2.
Turn
the piston upside down and push the ring into the cylinder with the piston head.
3.
Insert a feeler gauge into the piston ring
gap.
4.
If the clearance exceeds the allowable limit, replace.
IMPORTANT:
Measure the piston ring gap
at
the
point
of
the minimum inside diameter
of
the
cylinder liner. See engine specifications ..
CHECKING SIDE CLEARANCE
OF
RING IN GROOVE
1.
Remove the piston ring from the piston.
2.
Place the ring
in
its groove
as
it shown at left, and measure the clearance.
3.
If the clearance
is
not within the reference
valve,
replace the ring.
NOTE: As the top ring
is
a keystone type, it cannot be measured
by
this method.
See
engine
specifications.
122
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