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MAINTENANCE
WARNING: For your own safety, turn the switch OFF and remove the plug from the electrical outlet before
adjusting or performing maintenance or lubrication work on the grinder.
Before using, check to make sure parts are not damaged, missing, or worn. Check for alignment of moving parts,
binding of moving parts, improper mounting, or any other conditions that may affect the grinder’s operation. If
any of these conditions exist, do not use until parts are replaced or the grinder is properly repaired. Frequently
blow or vacuum dust from all surfaces and the motor housing.
WARNING: Any attempt to repair or replace electrical parts on this tool may be hazardous. Repairs should be
done by a qualified service technician only.
1. Regularly check the tool and use a soft brush to remove accumulated dust. Wear safety goggles to protect your
eyes while cleaning.
2. If the body of the grinder needs cleaning, wipe it down with a soft, damp cloth. A mild detergent can be used.
Do not use alcohol, petrol or other similar cleaning agents. Do not make contact with the grinding wheels with any
damp cloth.
3. Always make sure the eye shields are transparent and not blocking the view of the grinding wheel.
4. In normal use, grinding wheels may become cracked, grooved, rounded at the edges, chipped, out of true or
loaded with foreign material. Cracked wheels should be replaced IMMEDIATELY. While any of the other condi-
tions can be remedied with a dressing tool, new wheels sometimes require dressing to make them round.
5. If you must replace a wheel be sure to obtain one with a safe rated speed at least as high as the “NO LOAD” RPM
marked on your grinder’s nameplate. Test new wheels for cracks and maintain the existing sequence of retaining
hardware. Be sure the tool is unplugged before attempting repairs.
6. This unit has sealed lubrication within the bearings in the motor housing. No additional lubrication is required.
USING A WIRE OR BUFFING WHEEL
A wire or buffing wheel can be installed onto either side of the grinder as needed. More spacers are required for
these types of grinding wheels, depending on the wheel’s thickness.
NOTE: The first spacer should always go onto the arbor shaft, between the innermost wheel flange and the body
of the grinder. If needed, a second spacer should go between the outermost wheel flange and the arbor hex nut.
Always use the included wheel flanges even if using a wire or a buffing wheel.
Compatible with the WEN 858WW 8-Inch Wire Wheel
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