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4. Disassembly, Inspection and Reassembly of Engines
106
(6) Tappet
Mainly check the tappet contact surface with the cam
and push rod. Slight surface defects shall be
corrected with an oilstone.
(a) Tappet stem outside diameter measurement
mm
4.4.6 Cylinder bore correction
1) Slight uneven worn, flawed, etc. shall be
corrected by honing only. If the cylinder is
unevenly worn partially, flawed or otherwise
damaged and cannot be repaired simply by
honing, rebore the cylinder first and then hone.
See 4.4.5.(1)(c) for the boring dimension.
2) Items to be prepared for honing
Flex-Hone
(see No.8 of 4.1.2 in Chapter 4)
Electric drill
Honing fluid
(50:50 mixture of lube oil and diesel oil)
Model Item Standard
Limit
Tappet
hole I.D.
12.000 12.025 12.045
Stem O.D. 11.975 11.990 11.955
TNV82A 88
Clearance 0.010 0.050 0.090
Tappet
hole I.D.
12.000 12.018 12.038
Stem O.D. 11.975 11.990 11.955
4TNV94L 98
Clearance 0.010 0.043 0.083
Tappet
hole I.D.
14.000 14.018 14.038
Stem O.D. 13.966 13.984 13.946
4TNV106(T)
Clearance 0.015 0.052 0.092
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: ......