Kohler 4EOZ Service page 85

Main Bearing Cover
1. Put the engine crankcase on the work bench so
that the flywheel side is in the upper position.
2. Remove the four main bearing cover nuts and
washers.
3. Install two screws (M6 x 30) in the threaded holes of
the cover and turn them until the cover is released
from the crankcase. See Figure 10-54.
4. Remove the key, O-ring, two angle rings, and two
elastic washers.
Figure 10-56.
Figure 10-54 Main Bearing Cover
Figure 10-55 Main Bearing
TP-6137 5/03
See Figure 10-55 and
Figure 10-56 Main Bearing
Crankshaft
1. Carefully remove the crankshaft
crankcase.
Note: Avoid touching/scratching the main bearing
bushing.
2. Use a puller to release the gear wheel from the
crankshaft. See Figure 10-57.
Figure 10-57 Crankshaft
3. For ball bearing replacement:
Section 10 Generator and Engine Disassembly/Reassembly
from the
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