Replacing Motor Brushes - Grizzly G0945 Owner's Manual

Replacing Motor
Brushes
This jointer is equipped with a universal motor
that uses two carbon brushes to transmit electri-
cal current inside the motor. These brushes are
considered to be regular "wear items" or "consum-
ables" that will need to be replaced during the life
of the motor. The frequency of required replace-
ment is often related to how much the motor is
used and how hard it is pushed.
Replace both carbon brushes (part num-
ber: P0945300-1) at the same time when the
motor no longer reaches full power, or when
the brushes measure less than
(new brushes are ⁄ " long).
5
8
If your machine is used frequently, we recom-
mend keeping an extra set of these replacement
brushes on-hand to avoid any downtime.
Items Needed
Carbon Motor Brushes (P0945300-1) ............... 2
Penny (or Dime) ................................................. 1
Shop Vacuum .................................................... 1
Clean Shop Rags .............................. As Needed
To replace motor brushes:
1. DISCONNECT MACHINE FROM POWER!
2. While facing rear of jointer, tip machine away
from you until it rests on the cutterhead guard
mounting bracket.
Note: Place clean shop rags under jointer to
help prevent damaging machine finish.
3.
Vacuum all dust and debris from motor area.
Model G0945/G0946/G0947 (Mfd. Since 06/21)
4. Unscrew brush covers (see Figure 59).
Note: When removing brush covers, a spring
will pop out of the socket; the carbon brush is
firmly attached to this spring.
⁄ " long
1
4
Figure 59. Example of removing motor brush.
5. Check brushes for wear. If a brush is worn to
less than
6. Insert brush assemblies (positioning them
so they slide into the built-in slots) into brush
sockets, then press brush cover against
Qty
spring and tighten.
7. Stand machine upright.
8. Perform Test Run procedure on Page 22.
— If jointer runs properly, motor brush
— If motor does not start, brushes are not
⁄ " in length, replace both brushes.
1
4
replacement is complete.
correctly aligned in sockets, or there is
another problem with the motor or wiring.
Refer to Troubleshooting on Page 33 for
assistance.
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