Kohler 40COZ/33CFOZ Service Manual page 101

8.1 Disassembly
1. Disconnect all controller-to-engine and engine-to-
generator set harnesses and wiring. Disconnect
the alarm horn circuit board connector, if equipped,
the LED board and housing, and the speed sensor.
Remove the junction box and controller as a unit.
2. Remove the bolts from the generator set
vibromounts.
3. Suspend the generator set at both ends with hooks
in the lifting eyes. Use a hoist to raise the generator
set end off the vibromounts. See Figure 8-3.
4. Support the engine by placing wood blocks under
the flywheel housing. Lower the generator set end
until the generator set flywheel housing rests on
the blocks. See Figure 8-3.
5. Remove the fan guard. Remove the bolts holding
the adapter to the flywheel housing.
6. Remove the nuts and spacers holding the drive
discs to the flywheel.
7. Work the drive discs over the studs, if equipped, to
separate the generator set from the engine. See
Figure 8-4.
8. Set the generator set assembly on the floor in a
horizontal position. Remove the support slings or
chains.
3
1. Hook
2. Generator set adapter
3. Wood block(s)
Figure 8-3 Hoisting Generator Set
9. To remove the rotor assembly, hook the hoist to the
adapter and place the generator set assembly on
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the floor in a vertical position. See Figure 8-5.
Before lowering the assembly, place boards along
the edge of the end bracket to prevent damage to
the photo transistor board.
10. Remove the drive discs and fan from the generator
set assembly. See Figure 8-5.
1
1. Drive discs
Figure 8-4 Separating Generator Set and Engine
1. Drive disc removal
2. End bracket support
Figure 8-5 Generator Set Support, Drive Disc and
Fan Removal
Section 8 Disassembly/Reassembly
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