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Measure the bore diameter of the piston pin hole.
Allowable limit：12.04mm。
Measure the outer diameter of the piston pin.
Allowable limit：11.96mm。
Measure the outer diameter of the piston.
Note：
The measuring position and the piston pin form an
angle of 90 degree, some 15.5mm below the skirt of
piston.
Allowable limit：40.20mm。
Clearance of the piston pin hole and piston pin.
Allowable limit：0.08mm。
Inspect the abrasion and wear of the cylinder inner wall.
Note：
Measure the bore diameter of the cylinder at the
upper, middle and lower part when keeping an angle
of 90 degree from the piston pin.
Allowable limit：40.3mm。
Measure the clearance of the cylinder and piston and take the
maximal value as final one.
Allowable limit：0.1mm。
Testing
gauge of ai
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