Measure piston pin hole ID.
Allowable limit: 14.04mm.
Measure piston pin OD.
Allowable limit: 13.96mm.
Measure the clearance between piston pin hole and piston pin.
Allowable limit: 0.05mm.
Measure piston OD
* Attention: Measuring position forms a 90°angle with
piston pin, about 11mm below piston skirt.
Allowable limit: 56.93mm.
Inspect wear and scratch on inner wall of cylinder.
* Attention: Measure cylinder ID at three positions, i.e.
upper, intermediate and lower positions. The position forms
a 90°angle with piston pin.
Allowable limit: 57.1mm.
Measure the clearance between cylinder and piston. Take the
maximum clearance as standard.
Allowable limit: 0.17mm.
3
90°
11mm
Plastigauge
Tester
1
3
2
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