Kohler 8.5RMY Service Manual page 75

c. Remove the screws securing the brush cover to
the alternator end bracket. See Figure 8-7.
d. Disconnect the white, red, and black leads
connected to the speed sensor.
Figure 8-8.
e. Raise the brushes in the brush holder and
insert a small piece of wire into the brush holder
retainer wire hole.
Figure 6-13.
f. Remove the alternator overbolts and centering
washers. See Figure 8-7.
g. 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.
h. Remove the leads connected to the end
bracket from the convoluted conduit leading to
the controller. Set the end bracket assembly
aside.
6. If the speed sensor must be tested or replaced,
remove it from the end bracket. See Figure 8-8.
a. Mark the leads connected to the speed sensor
and disconnect the leads.
b. Remove the screws and washers securing the
speed sensor to the speed sensor bracket.
c. Install the new speed sensor using the screws
and washers removed in step b. Do not tighten
the screws at this time.
7. Check the brushes.
a. Remove the brush holder from the end bracket.
See Figure 8-7.
b. Inspect the brushes. Replace brushes that are
worn to half of their original size.
Section 6.6, Brushes.
8. Remove the stator and rotor.
a. Remove the stator from the rotor.
b. Loosen and remove the thrubolt. Use a strap
wrench on the rotor to keep the rotor from
turning during loosening, if necessary. See
Figure 8-9.
TP-5867 11/02
See
See Figure 8-7 and
See
2
1
7
2
1. Brush cover screws
2. Overbolt and centering washer
3. Brush holder
4. Brush retainer wire hole
5. Thrubolt
6. Alternator mounting plate
7. Speed sensor
Figure 8-7 Alternator End Bracket
1
2
White
Red
Black
1. Speed sensor
2. Speed sensor mounting screws and washers
3. Speed sensor gap
Figure 8-8 Speed Sensor Assembly
Section 8 Disassembly/Reassembly
3
2
1
4
2
5
6
A-358000A-B
3
TP586786
65