Kipor KM2V80 User Manual

7. Fit clearance and interference table
Table 4 Fit clearance and interference table
No.
Name
Standard dimension（mm）
Fitting clearance
（mm）
Remark
1
Cylinder inner diameter/
Piston top outer diameter
φ80H7(
+0.03
0
)／d-0.515±0.01
0.565～0.635
2
Cylinder inner diameter/
Piston skirt upper part
φ80H7(
+0.03
0
)／d-0.125±0.01
0.175～0.245
3
Cylinder inner diameter/
Piston skirt diameter
φ80H7(
+0.03
0
)／φ80
-0.06
-0.08
0.06～0.110
4.
Piston pin hole/Piston pin
φ20
-0.002
-0.008
／φ20
0 -
0.006
0.004～－0.008
5
The width of ring groove /
The height of 1
st
ring
1.2
+0.060
+0.040
／1.2
-0.01
-0.02
0.05～0.08
6
The width of ring groove /
The height of 2
nd
ring
1.5
+0.040
+0.020
／1.5
-0.01
-0.02
0.03～0.06
7
The width of ring groove /
The height of 3
rd
ring
3.0
+0.030
+0.010
／3
-0.01
-0.02
0.02～0.05
8
Open clearance of 1
st
ring
0.25～0.35
9
Open clearance of 2
nd
ring
0.20～0.35
10
Open clearance of 3
rd
ring
0.15～0.30
11
Connection rod bushing/
Piston pin diameter
φ20
+0.025
+0.015
／φ20
0 -
0.006
0.015～0.031
12
Connection rod bush hole diameter/
Connection rod journal
φ40
+0.032
0
／φ40f5(
-0.025
-0.036
)
0.025～0.062
13
Main bearing bushing hole diameter/
Main journal
φ50
+0.035
+0.015
／φ50f5(
-0.025
-0.036
)
0.040～0.071
14
Crankshaft axial clearance
120.7
+0.10
0
／108.6+12=120.6
0 -
0.10
0.10～0.30
15
Crankshaft axial open split/
The width of connection rod big head
40
+0.25
+0.10
／20
-0.15
-0.20
×2=40
-0.30
-0.40
0.40～0.65
16
(Crankshaft center line to the tank
top)/(piston + connection rod + crank
radius)
13.01.1935.395.1251.28
03.054.193


0.28～0.60
17
Camshaft hole diameter/
Camshaft journal
φ18H7(
+0.018
0
)／φ18e6(
-0.032
-0.043
)
0.032～0.061
18
Side cover camshaft hoe diameter/
Camshaft journal
φ24H7(
+0.021
0
)／φ24f6(
-0.040
-0.053
)
0.040～0.074
19
Camshaft axial clearance
176.5
+0.10
0
/164.1+12.2=176.3±0.05
0.035～0.15
20
Valve tappet hole/
Tappet diameter
φ10H7(
+0.015
0
)／φ10e7(
-0.025
-0.040
)
0.025～0.055
21
Fuel pump tappet hole/
Fuel pump tappet
φ21H7(+0.021 )(
0
)／φ21
-0.047
-0.080
0.047～0.101
22
Valve pipe/ Inlet valve
φ6H7(
+0.012
0
)／φ6
-0.030
-0.045
0.03～0.057

Kipor KM2V80 Specifications

General

Brand	Kipor
Model	KM2V80
Category	Engine
Language	English