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Model W1831 (For Machines Mfg. Since 2/12)
SERVICE
SERVICE
This section covers the most common service adjustments
or procedures that may need to be made during the life
of your machine.
If you require additional machine service not included
in this section, please contact Woodstock International
Technical Support at (360) 734-3482 or send e-mail to:
tech-support@shopfox.biz.
General
MAKE SURE that your machine is
unplugged during all service proce-
dures! If this warning is ignored, seri-
ous personal injury may occur.
Figure 15. Motor brush assembly.
Changing Motor Brushes
This sander has a permanent magnet motor that uses car-
bon brushes for operation. These brushes normally wear
out over time and eventually need to be replaced.
Symptoms indicating that the brushes have worn beyond
their usable life may include a loss of power, inconsistent
operation of the motor (motor cuts in and out inexplicably),
or an inability of the motor to start.
If you are having trouble with the performance of the
motor, first refer to Troubleshooting on Page 22 to deter-
mine if the motor brushes must be replaced.
A pair of new brushes can be purchased from your Shop Fox
dealer by requesting part #W1831033A. The replacement
procedure can usually be done in about 15 minutes. When
replacing the brushes, we recommend replacing them one
at a time so you can keep track of which wire connects to
each brush.
Please note: The brush assemblies have locating prongs
(see Figure 15) that insert into the motor to hold the brush
housing in position. Take care when removing the brush
assemblies to pull them out first instead of just up.
Locating
Prong
Wire Prong