![background image](http://html.mh-extra.com/html/yanmar/3tnv-series/3tnv-series_service-manual_905550118.webp)
4. Disassembly, Inspection and Reassembly of Engines
103
Piston ring dimension mm
Model Part
Item
Standard
Limit
Ring groove width
2.065 2.080 -
Ring width
1.970 1.990 1.950
Side clearance
0.075 0.110 -
Top ring
End clearance
0.200 0.400 0.490
Ring groove width
2.035 2.050 2.150
Ring width
1.970 1.990 1.950
Side clearance
0.045 0.080 0.200
Second ring
End clearance
0.200 0.400 0.490
Ring groove width
4.015 4.030 4.130
Ring width
3.970 3.990 3.950
Side clearance
0.025 0.060 0.180
TNV82A/84
Oil ring
End clearance
0.200 0.400 0.490
Ring groove width
2.060 2.075 -
Ring width
1.970 1.990 1.950
Side clearance
0.070 0.105 -
Top ring
End clearance
0.200 0.400 0.490
Ring groove width
2.025 2.040 2.140
Ring width
1.970 1.990 1.950
Side clearance
0.035 0.070 0.190
Second ring
End clearance
0.200 0.400 0.490
Ring groove width
4.015 4.030 4.130
Ring width
3.970 3.990 3.950
Side clearance
0.025 0.060 0.180
TNV88
Oil ring
End clearance
0.200 0.400 0.490
Ring groove width
2.040 2.060 -
Ring width
1.940 1.960 1.920
Side clearance
0.080 0.120 -
Top ring
End clearance
0.250 0.450 0.540
Ring groove width
2.080 2.095 2.195
Ring width
1.970 1.990 1.950
Side clearance
0.090 0.125 0.245
Second ring
End clearance
0.450 0.650 0.730
Ring groove width
3.015 3.030 3.130
Ring width
2.970 2.990 2.950
Side clearance
0.025 0.060 0.180
4TNV94L 98
Oil ring
End clearance
0.250 0.450 0.550
Ring groove width
2.520 2.540 -
Ring width
2.440 2.460 2.420
Side clearance
0.060 0.100 -
Top ring
End clearance
0.300 0.450 0.540
Ring groove width
2.070 2.085 2.185
Ring width
1.970 1.990 1.950
Side clearance
0.080 0.115 0.235
Second ring
End clearance
0.450 0.600 0.680
Ring groove width
3.015 3.030 3.130
Ring width
2.970 2.990 2.950
Side clearance
0.025 0.060 0.180
4TNV106(T)
Oil ring
End clearance
0.300 0.500 0.600
Summary of Contents for 3TNV Series
Page 1: ...4TNV106 4TNV106T 4TNV94L 4TNV98 4TNV98T 3TNV82A 3TNV84 T 4TNV84 T 3TNV88 4TNV88 ...
Page 31: ...1 General 1 4 Engine External Views 16 ...
Page 32: ...1 General 1 5 Structural Description 17 ...
Page 156: ...9 Starting Motor 9 1 2 Components 141 ...
Page 157: ...9 Starting Motor 9 1 3 Troubleshooting 142 ...
Page 172: ...9 Starting Motor 9 2 3 Troubleshooting 157 ...
Page 175: ...9 Starting Motor 2 Removal of magnetic switch Remove the M6 bolts 10mm 2 160 ...
Page 185: ...9 Starting Motor 3 Brush 1 Check wear of the brush and the brush spring force 170 ...
Page 194: ...10 Alternator 179 10 1 6 Troubleshooting ...
Page 195: ...11 Electric Wiring 180 11 ELECTRIC WIRING 11 1 Electric Wiring Diagram ...
Page 213: ......