Kipor KG390, Service Manual

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4.6 Piston Ring Assembly
● put the manufacturers mark facing up during installation
● be careful not to mix the first and second rings
● check that the piston rings can rotate freely when installed.
● align the piston ring gaps at a 120 degree angle.
第一道 环 （ 有 镀铬 ）
第二道 环 （ 表面磷化）
油 环
1
st
ring (chrome plate
2
nd
ring (su ace phosph
Oil
d)
rf oresced)
ring
4.7 Piston Inspection
4.7.1 Inner diameter of cylinder
Standard
（
mm
）
Service limit (mm)
88.015~88.035 88.17
15