Yanmar 3TNV Series Service Manual page 103

4. Disassembly, Inspection and Reassembly of Engines
Model
Gear side
3TNV82A TNV88 Intermediate position
Wheel side
Gear side
TNV94L/98(T) Intermediate position
Wheel side
Gear side
4TNV106(T) Intermediate position
Wheel side
(2) Idle gear
Mainly check the bushing seizure and wear, and gear
damage.
Shaft outside diameter and bushing inside diameter
measurement
Item
Shaft outside diameter
Bushing inside diameter
Clearance
(3) PTO drive gear
Mainly check sticking of bearings on both sides, gear
damage and looseness, and gear shaft damage and
wear.
Place
Bushing I.D.
Camshaft O.D.
Oil clearance
Bushing I.D.
Camshaft O.D.
Oil clearance
Bushing I.D.
Camshaft O.D.
Oil clearance
Bushing I.D.
Camshaft O.D.
Oil clearance
Bushing I.D.
Camshaft O.D.
Oil clearance
Bushing I.D.
Camshaft O.D.
Oil clearance
Bushing I.D.
Camshaft O.D.
Oil clearance
Bushing I.D.
Camshaft O.D.
Oil clearance
Bushing I.D.
Camshaft O.D.
Oil clearance
Standard Limit
45.950 49.975 45.900
46.000 46.025 46.075
0.025 0.075 0.175
Item Standard
44.990 45.055
44.925 44.950
0.040 0.130
45.000 45.025
44.910 44.935
0.065 0.115
45.000 45.025
44.925 44.950
0.050 0.100
49.990 50.055
49.925 49.950
0.040 0.130
50.000 50.025
49.910 49.935
0.065 0.115
50.000 50.025
49.925 49.950
0.05 0.100
57.980 58.050
57.910 57.940
0.040 0.140
58.000 58.030
57.895 57.925
0.075 0.135
58.000 58.030
57.910 57.940
0.050 0.120
mm
88
mm
Limit
45.130
44.890
0.240
45.100
44.875
0.225
45.100
44.890
0.210
50.130
49.890
0.240
50.100
49.875
0.225
50.100
49.890
0.210
58.105
57.875
0.250
58.105
57.860
0.245
58.105
57.875
0.230