Inspection
- 77 -
c) Piston side clearance
z
Assemble the piston ring at the
piston.
z
Measure the each ring’s side
clearance and if the measured
value exceeds the limit value,
replace rings or piston.
<Piston side clearance>
4) Piston pin
a) Outside diameter
z
With the outside micrometer,
measure the piston pin’s outside
diameter and if the value is same
as the use limit value or less,
replace it.
b) Piston pin and connecting rod bush clearance
z
Inspect the clearance between the
piston pin and the connecting rod
bush, if it is more than the use limit
value, replace either one that is
more severe.
Division Specified value
Limit
value
2nd ring
0.050 ~
0.082 mm
1.5 mm
Oil ring
0.030 ~
0.062 mm
1.5 mm
Standard Limit
45.994 ~
46.000 mm
69.897 mm
or less
Limit 0.009
∼
0.015 mm
EA4M2007
Feeler
gauge
EA0M4031
EA3M2047
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