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Measure inner diameter of piston pin hole
Maintenance limit
：
φ16.015 mm
Measure the outer diameter at a height of 7 mm from the
piston skirt
Maintenance limit
：
φ76.94 mm
Calculate the clearance between cylinder and piston.
Maintenance limit
：
0.1mm
Measure outer diameter of piston pin
Maintenance limit
：
15.99 mm
Calculate the clearance between piston pin and piston.
Maintenance limit
：
0.025 mm
Piston ring assembly
1.Clean the piston ring grooves thoroughly.
2. install piston ring.
note
：
1.do not damage piston and piston ring
when installing.
2.install first and second rings in
sequence. Ring face with mark face to
piston top.
3. the piston ring should rotate flexibly
after installation.
