Grizzly G0707 Owner's Manual page 35

While pulling fan cover upwards, use stan-
4.
dard screwdriver to slightly pry out cover lock
tangs (see Figure 32) and remove cover from
the motor.
Fan Cover
Figure 32. Brush removal.
Remove (2) retainer screws for each brush
5.
housing and remove retainers (see Figure 33).
Retainer
Brush
Housing
Figure 33. Retainer removal.
Lift each brush housing out of its seat and
6.
unplug power wire (see Figure 34).
Figure 34. Brush housing removal.
Model G0707 (Mfd. Since 12/23)
Lock
Tang
Power Wire
Slide brush assembly apart, clean housings
7.
and brass sleeves with mineral spirits, and
allow parts to dry (see Figure 35).
Reassemble housings with brass sleeves
8.
and new carbon brushes (see Figure 35) and
set aside.
Housing
Brass Sleeve
Figure 35. Brush assembly.
Inspect commutator surface (see Figure 36).
9.
Carbon Tracking on
Commutator Surface
Figure 36. Commutator.
— If brushes have worn deep grooves in com-
mutator, we recommend replacing motor.
Typically, labor involved with re-turning
commutator on lathe and then undercut-
ting insulator segments far exceeds price
of new motor.
— If commutator only has minor wear and
black-colored carbon tracking (see Figure
36), use fine crocus cloth to polish com-
mutator where brushes ride. DO NOT use
emery cloth or sandpaper to clean com-
mutator or you will make it out-of-round,
which will cause new brushes to arc, over-
heat, and wear out quickly.
Carbon
Brush
-33-