Maintenance4103−2/A1
Winterthur Gas & Diesel Ltd.
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2. Preparation
4
1
9
5
3
9
6
WCH02403
4
5
d
I
I
I
Fig. 1
1) Make sure that the temperature of the crankshaft, the gear wheel and the tool to
measure the dimensions is the same.
2) Measure and record the inner diameter (d, Fig. 1) of the two-part gear wheel (1).
3) Measure and record the outer diameter of the crankshaft.
4) The inner diameter of the crankshaft gear wheel must be between 0.05 mm and
0.14 mm less than the outer diameter of the crankshaft.
Note: The nominal diameter of the crankshaft flange is 1670 mm.
5) If the value is not as given in step 4),
do as follows before you assemble the
gear wheel:
a) Use the applicable equipment and
processes (e.g. mill, or ream the
bore etc) to get the inner diameter
to the correct dimension.
b) Make sure that there is a mark on
the crankshaft flange (2, Fig. 2).
During the assembly procedure,
the partition of the crankshaft gear
wheel must align with this mark.
2015
Replacing the Gear Wheel on the Crankshaft
2
DRIVING
END
Remove
Grease
6
Fig. 2
1
WCH02403
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