Hisun HS500ATV-2 Maintenance Manual page 16

项
气缸内径 Inner diameter of
cylinder
cylinder taper
out of roundness
degree of warp
Outside diameter of piston
Inner diameter of piston pin
hole
gap between piston pin and
piston pin hole
Piston ring
end
Piston,piston
clearance
ring and
gap between
piston pin
piston ring
and piston
groove
gap between cylinder and
piston
outside diameter of piston
pin
Inner diameter
Crank shaft
Gap between small end of
connecting rod
pin
diagnosing and eliminating of malfunction:
Emission of black smoke for abrasion of cylinder or piston,
●
1. Cylinder, piston of piston ring is worn out.
2. The piston ring is not properly assembled.
3. The piston or cylinder wall is scraped.
overheated overhe ated
overhe overhe ated ated
● ● ● ●
Excessive incrustation of piston.
1
2 Blast and abnormal noise.
3 Abrasion of cylinder or piston.
Inspection of cylinder.
目 item
标准值 mm
standard value: mm
φ84.503～φ84.527
0.0040
0.0035
0.04
φ84.47～φ84.45
φ20.002～φ20.01
0.002～0.019
0.2～0.4
Top ring/the
second ring
oil ring 0.03～0.15
top ring 0.03～0.07
second ring 0.02～0.06
0.033～0.062
φ19.991～φ20
φ 20.016 ～ φ
20.027
φ0.018～φ0.036
and piston
维修极限值 mm
limit value:mm
φ84.6
0.005
0.005
0.10
φ84.35～φ84.25
φ20.05～φ20.1
0.03
0.5～0.7
0.3～0.5
0.10～0.15
0.09～0.14
0.07～0.10
φ19.95～φ19.97
φ20.05
0.05
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