Yanmar 3TNV Series Service Manual page 208

Piston ring
Model
Top ring
3TNV82A
Second ring
TNV84
Oil ring
Top ring
TNV88 Second ring
Oil ring
Top ring
4TNV94L/98 Second ring
Oil ring
Top ring
4TNV106(T) Second ring
Oil ring
Inspection item
Ring groove width
Ring width
Side clearance
End clearance
Ring groove width
Ring width
Side clearance
End clearance
Ring groove width
Ring width
Side clearance
End clearance
Ring groove width
Ring width
Side clearance
End clearance
Ring groove width
Ring width
Side clearance
End clearance
Ring groove width
Ring width
Side clearance
End clearance
Ring groove width
Ring width
Side clearance
End clearance
Ring groove width
Ring width
Side clearance
End clearance
Ring groove width
Ring width
Side clearance
End clearance
Ring groove width
Ring width
Side clearance
End clearance
Ring groove width
Ring width
Side clearance
End clearance
Ring groove width
Ring width
Side clearance
End clearance
Standard
2.065 2.080
1.970 1.990
0.075 0.110
0.200 0.400
2.035 2.050
1.970 1.990
0.045 0.080
0.200 0.400
4.015 4.030
3.970 3.990
0.025 0.060
0.200 0.400
2.060 2.075
1.970 1.990
0.070 0.105
0.200 0.400
2.025 2.040
1.970 1.990
0.035 0.070
0.200 0.400
4.015 4.030
3.970 3.990
0.025 0.060
0.200 0.400
2.040 2.060
1.940 1.960
0.080 0.120
0.250 0.450
2.080 2.095
1.970 1.990
0.090 0.125
0.450 0.650
3.015 3.030
2.970 2.990
0.025 0.060
0.250 0.450
2.520 2.540
2.440 2.460
0.060 0.100
0.300 0.450
2.070 2.085
1.970 1.990
0.080 0.115
0.450 0.600
3.015 3.030
2.970 2.990
0.025 0.060
0.300 -0.500
193
12. Service Standards
mm
Reference
limit
page
-
1.950
-
0.490
2.150
1.950
0.200
0.490
4.130
3.950
0.180
0.490
-
1.950
-
0.490
2.140
1.950
0.190
0.490
4.130
3.950
0.180
0.490
4.4.5.(4)
-
1.920
-
0.540
2.195
1.950
0.245
0.730
3.130
2.950
0.180
0.550
-
2.420
-
0.540
2.185
1.950
0.235
0.680
3.130
2.950
0.180
0.600