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4. Disassembly, Inspection and Reassembly of Engines
87
4.3.5 Parts inspection and measurement
(1) Camshaft
Mainly check the contact between the tappet and cam contact surface, bearing seizure and wear, and
gear damage.
(a) Shaft bend measurement
Support the camshaft with V blocks. Rotate the
camshaft and measure the runout at the center of the
camshaft and at each journal with a dial gage. half of
the runout is the bend.
mm
Item Standard Limit
Bend 0 0.02 0.05
(b) Intake/exhaust cam height measurement
mm
Model Standard Limit
3TNV82A 88 38.600 38.800 38.350
4TNV94L
・
98
43.400 43.600 43.150
4TNV106(T) 50.900 51.100 50.650
(c) Camshaft outside diameter and bearing hole
diameter measurement Measure the camshaft
outside diameter with a micrometer. The oil
clearance shall be calculated by subtracting the
measured camshaft outside diameter from the
the camshaft bushing inside diameter after
insertion to the cylinder measured with a cylinder
gage.
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: ......