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4. Disassembly, Inspection and Reassembly of Engines
96
(c) If the limit is exceeded or any surface defect is
found, repair by boring and honing. Use an
oversized piston (and new piston rings) as
required.
Oversized piston (0.25 mm, with piston rings)
Model
Code No.
Standard (mm)
3TNV82A 719802-22900 82.250
3TNV84(T)
4TNV84
129004-22900 84.250
4TNV84T 129508-22900 84.250
3/4TNV88 129005-22900 88.250
4TNV94L 729906-22900 94.250
4TNV98 129902-22700 98.250
4TNV106 729907-22900 106.250
4TNV106T 723907-22910 106.250
Piston ring assy for oversized (0.25mm)
Model
Piston ring code No.
3TNV82A 719802-22950
3TNV84(T)
4TNV84
129004-22950
4TNV84T 129004-22950
3/4TNV88 129005-22950
4TNV94L 729906-22950
4TNV98 729907-22950
4TNV106(T) 723907-22950
Cylinder dimension after boring and honing
Model
Cylinder dimension
(mm)
Honing angle
(deg.)
Surface roughness
Roundness/Cylindricity
(mm)
3TNV82A 82.250 82.280
3TNV84(T)
4TNV84
84.250 84.280
3/4TNV88 88.250 88.280
4TNV94L 94.250 94.280
4TNV98 98.250 98.280
4TNV106(T) 106.250 106.280
30 40 deg.
R
max
1.0 3.5S
0.01 or less
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: ......