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1) Piston outside diameter vary depending on
the piston type to be used.
2) Measure the piston outside diameter. (see
figure 1 & 2).
3) Piston Grade
Cylinder Liner Bore and Piston Clearance :
0.053~0.077 mm
CAUTION
The cylinder liner piston kit
clearances are preset.
However, the clylinder liner
installation procedure may
result in slight decreases
in the cylinder liner bore
clearances.
Correctly combinate after
measure the cylinder liner
bore clearance.
Piston And Piston Ring
Piston Ring and Piston Ring Groove
Clearance
Measure the piston ring and the piston ring
groove clearance with a feeler gauge.
Measure it around of the piston.
Replace the piston ring if the measured value
escaped from the specified limit.
Piston Ring and Piston Groove Clearance
EJM2078I
EJM2079S
EJM2080S
EJM2081S
2.3.10. Outside Diameter of Piston
Grade Limit
A 101.955-101.974 mm
B 101.975-101.994 mm
Steel
Strut
Standard Limit
Top Ring 0.085-0.110 mm 0.20 mm
2nd Ring 0.030-0.055 mm 0.15 mm
Oil Ring 0.030-0.070 mm 0.15 mm
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