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4. Disassembly, Inspection and Reassembly of Engines
78
(3) Intake/exhaust valve
Mainly clean and check damage and wear at the valve stem and seat.
(a) Seat contact: See (1)-(d) above.
(b) Stem outside diameter: See (2) above.
(c) Valve head thickness
mm
Model Part
Standard
Limit
Intake 1.34 0.50
TNV82A 88
Exhaust 1.45 0.50
Intake 1.71 1.00
4TNE94 95
Exhaust 1.65 1.00
Intake 2.00 1.30
4TNE106(T)
Exhaust 2.00 1.30
(d) Valve stem bend
mm
Limit 0.01
(e) Overall length
mm
Standard
Limit
3TNV82A Intake/Exhaust
?
TNV84 88 Intake/Exhaust
4TNV94 98 Intake/Exhaust
115
114.5
4TNV106(T) Intake/Exhaust
126
125.5
(4) Valve spring
Mainly inspect damage and corrosion.
mm
Free length standard
Inclination limit
3TNV82A 44.4?
TNV84 88 42.0?
1.2
4TNV94 98 47.5
4TNV106(T) 50.6
1.2
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: ......