Takeuchi TB 175 Handbuch Seite 819

(d)Rod big end measurement
Measure the crankpin and bushing according to
4.4.5.(2) (c) described above.
Calculate the oil clearance of a crank pin metal and a
crank pin from the measured values of the crank pin metal
inner diameter and the crank pin outside diameter.
Replace a crank pin metal if the oil clearance becomes
about the limit dimension of the below table.
Correct by grinding if unevenly wear, roundness
exceeding the limit or insufficient outside diameter is
found. Also use an undersized metal. (Refer to the above
(2) c.)
[NOTICE]
When measuring the inside diameter of the rod big end,
install the crankpin metals in the rod big end not to
mistake the top and bottom of the metals and tighten
the rod bolts by the standard torque.
Tightening torque of rod bolt
Tightening torque
Model
37.2 to 41.2
3TNV82A
(3.8 to 4.2)
44.1 to 49.0
TNV84/88
(4.5 to 5.0)
53.9 to 58.8
4TNV94L/98
(5.5 to 6.0)
78.5 to 83.4
4TNV106 (T)
(8.0 to 8.5)
Standard of rod big end
Model
Rod I.D. bushing
Crankpin O.D.
3TNV82A
Metal thickness
Clearance
Rod I.D. bushing
Crankpin O.D.
TNV84/88
Metal thickness
Clearance
Rod I.D. bushing
Crankpin O.D.
4TNV94L/98
Metal thickness
Clearance
Rod I.D. bushing
Crankpin O.D.
4TNV106 (T)
Metal thickness
Clearance
Lubricating oil application
N•m (kgf•m) (threaded portion, and bearing seat surface)
Item Standard
42.952 to 42.962
43.000 to 43.042
1.487 to 1.500
0.038 to 0.090
47.952 to 47.962
48.000 to 48.026
1.492 to 1.500
0.038 to 0.074
57.952 to 57.962
58.000 to 58.026
1.492 to 1.500
0.038 to 0.074
63.952 to 63.962
64.016 to 64.042
1.984 to 1.992
0.054 to 0.090
4. Disassembly, inspection and reassembly of engines
Rod bushing I.D. measurement
Lube. oil applied
Limit
42.902
-
-
0.150
47.902
-
-
0.150
57.902
-
-
0.150
63.902
-
-
0.150
105
Cylinder gage
mm