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4. Disassembly, Inspection and Reassembly of Engines
95
4.4.5 Parts inspection and measurement
(1) Cylinder block
Especially clean head surface, cylinder bores and oil
holes, and check after removing any carbon deposit
and bonding agent.
(a) Appearance inspection
Check if there is any discoloration or crack. If crack
is suspected, perform color check. Sufficiently clean
the oil holes and check they are not clogged.
(b) Cylinder bore and distortion
Measure at 20 mm below the crest of the liner, at 20
mm from the bottom end and at the center.
Roundness:
Roundness is found as follows though it is the
simple method. Measure cylinder diameters of the
A direction and the B direction on each section of a,
b and c.
Roundness is the maximum value among those
difference values.
Cylindricity:
Cylindricity is found as follows though it is the
simple method.
Measure cylinder diameters of a, b and c sections
in the A direction, and calculate the difference in
maximum value and minimum value of the
measured diameters.
In the same way measure and calculate the
difference in the B direction.
Cylindricity is the maximum value between those
difference values.
mm
Item Model
Standard
Limit
3TNV82A 82.000 82.030 82.200
TNV84 84.000 84.030 84.200
TNV88 88.000 88.030 88.200
4TNV94L 94.000 94.030 94.130
4TNV98 98.000 98.030 98.130
Cylinder inside diameter
4TNV106(T) 106.000 106.030 106.130
Roundness
Cylinder bore
Cylindricity
all TNV
0.01 or less
0.03
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: ......