Measure the external diameter of piston pin
Allowable limit: 11.96mm
Clearance between piston pin hole and piston pin
Allowable limit: 0.02mm
Check external diameter of piston
Attentions: Measuring position should be 90 degree with the
piston pin, 11.5mm lower than the piston skirt
Allowable limit: 39.9mm
Check the scratch and wear of inside wall of cylinder
Attentions：measure the inside diameter of cylinder in the
direction of 90 degree with piston pin at the upper, middle
and lower positions
Allowable limit: 40.05mm
Measure the clearance between cylinder and piston, the
maximum value shall prevail.
Allowable limit: 0.1mm
Measure the roundness of inside wall of cylinder（the inside
diameter difference between X direction and Y direction）
Allowable limit:0.05mm。
Measure the cylindricity of inside wall of cylinder（the
difference of inside diameter among upper, middle and lower
positions in X direction or Y direction）
Allowable limit:0.05mm。
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