Kohler 8.5RES Service page 104

b. Raise the alternator end of the generator set
enough to place a thin block of wood beneath
the rear of the engine. See Figure 7-9.
1. Engine support block
Figure 7-9 Generator Set, Right Side
c. Remove 4 screws securing the brush cover to
the alternator end bracket. See Figure 7-10.
2
1
2
1. Brush cover screws
2. Overbolt and centering washer
3. Alternator end bracket
4. Brush holder
5. Brush retainer wire hole
6. Thrubolt
Figure 7-10 Alternator End Bracket
d. Raise the brushes in the brush holder and
insert a small piece of wire into the brush holder
104 Section 7 Disassembly/Reassembly
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retainer wire hole.
Figure 7-11.
1
GM29253A
1
New 1.9 cm (0.75 in.)
3
1. Brush holder
2. Slip ring
3. Brush(es)
4. Retainer wire
Figure 7-11 Brush Details
e. Remove the alternator overbolts and centering
washers. See Figure 7-10.
f. Using a soft-faced hammer, strike the side of
the end bracket with medium-force blows to
remove the end bracket from the stator or
remove the end bracket from the stator using a
puller.
g. Remove the leads connected to the end
bracket from the convoluted conduit leading to
controller. Set the end bracket assembly aside.
GM29253B-P
6. Check the brushes.
a. Remove the brush holder from the end bracket.
See Figure 7-10.
b. Inspect the brushes. Replace brushes when
they are worn to half of their original size. See
Figure 7-11 and Section 6.6, Brushes.
See Figure 7-10 and
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Front View
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5. Shim
6. Spring
7. Correctly positioned brush
8. Incorrectly positioned brush
GM29253B-P
Side View
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TP5867
TP-6196 10/09