Kohler MAGNUM M18

SECTION 8
ELECTRICAL SYSTEM AND COMPONENTS
4. Remove the commutator end cap with brushes
and springs.
5. Remove the armature from inside the starter
frame.
Brush Replacement
(Reter to Figure 8-18.)
Selt-Tapping 7 Brush Springs
Screw
Negative (-) ,
Brush Brush Holder
Negative (-)
Brush
Self-Tapping
Screw
Stud Terminal With
Positive (+) Brushes
Figure 8-18. Commutator End Cap With Brushes.
. Remove the brush springs from the pockets in
brush holder.
2. Remove the self-tapping screws, negative (-)
brushes, and plastic brush holder.
3. Remove the hex. nut, split lock washer, plain
washer, and fiber washer from the stud terminal.
Remove the stud terminal with positive (+)
brushes and plastic insulating bushing from end
cap.
Reinstall the insulating brushing to new stud termi-
nal with positive (+) brushes. Install the bushing
and stud terminal into end cap. Secure with the
fiber washer, plain washer, split lock washer, and
hex. nut.
Install the brush holder and new negative (-)
brushes. Secure with the self-tapping screws.
>
a
Ld
Instali the brush springs and brushes into the
pockets in brush holder. Make sure the cham-
fered sides of brushes are away from the springs.
NOTE: Use a brush holder tool to keep the
brushes in the pockets. A brush holder
tool can easily be made from thin sheet
metal. Refer to Figure 8-19.
Sheet Metal Brush
Holder Тоо!
Brush Holder Тоо! Installed 7
Over Brushes And End Cap
Figure 8-19. Brush Holder Tool.
Commutator Service
Clean the commutator with a coarse, lint free cloth.
Do not use emery cloth. If the commutator is badly
wom or grooved, turn down on a lathe, or replace the
armature.
Reassembly
1. Insert the armature into the starter frame. Make
sure the magnets are closer to the drive shaft end
of armature. The magnets will hold the armature
inside the frame.
2. Install the thrust washer and drive end cap. Make
sure the match marks on end cap and frame are
aligned. Refer to Figure 8-20.
Match Marks Match Marks
Commutator
End
Cap
Drive
End
Cap
Figure 8-20. Starter Assembly Match Marks.
3. Install the brush holder tool to keep the brushes in
the pockets of commutator end cap. Refer to
Figure 8-19.
4. Install the commutator end cap to armature and
starter frame. Firmly hold the drive end cap and
commutator end cap to the starter frame. Remove
the brush hotder tool.
5. Make sure the match marks on end cap and frame
are aligned. Refer to Figure 8-20. Install the thru
bolts and tighten securely.
8.15