Kohler KDI 2504TM Workshop Manual page 106

8
Tab 8.6
REF. DIMENSIONS (mm)
A 169.980 - 170.020
B 30.020 - 30.030
C 29.995 - 30.000
D 54.035 - 54.066
E
67.700 - 68.000
F 29.750 - 29.790
Important
•
Tab. 8.6 details the dimensional values of new
components only.
•
Check that the connecting rod and crankshaft half-
bearings are coupled properly.
•
Refer to the warnings in
decreased.
•
If the clearance value between B and C is not observed,
you are required to replace bearing R (Fig. 8.12).
Measure value A, C, D, E and F and confront them with those
described in Tab.8.6.
If the measured values do not follow those described in Tab.8.6,
replace connecting rod T.
8.5.2 Checking the gudgeon pin-pin axes are parallel
Lubricate gudgeon pin A and bearing R (Fig. 8.12).
Insert the gudgeon pin into bearing R. Use a dial gauge to check
the axis parallelism of the connecting rod big end and small
end.
Parallel deviation (value V) measured at the tip of the
gudgeonpin, must be a MIN of 0,015 and MAX of 0,030 mm.
If the parallelism values do not comply with the specified
ones,replace the connecting rod with a new one.
8.5.3 Piston rings check
Insert ring U into the cylinder, measure value H (distance
between the points of ring U).
Repeat for all the seal rings.
If the measured value H does not correspond to the values
indicated in the table (Tab. 8.7), replace the seal rings U.
Important
EN 106
INFORMATION ABOUT OVERHAULING
CLEARANCE VALUE (mm)
0.025 - 0.030
Par. 8.4.1 for value D
Fig 8.14
Fig 8.15