OPERATION
11
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.
GENERAL CLEANING AND MAINTENANCE
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 alignment
or loaded with foreign material. Cracked wheels should be replaced IMMEDIATELY. While any of the other
conditions can be remedied, new wheels sometimes require dressing to make them round.
CAUTION: Prolonged grinding will cause most materials to become hot. Use care when handling such materials.
SHARPENING SCISSORS
If possible, take the scissors apart to make the sharpening operation easier and safer. Remove material only from
the outside surface and work from the heavy end of the blade toward the tip.
SHARPENING KNIVES
Remove metal from both faces of most knives, working from the heavy end of the blade toward the tip.
SHARPENING SCREWDRIVERS
The end of a properly sharpened screwdriver will be a perfect rectangle, absolutely flat and perpendicular to the
center line of the shank. The two sides and two faces will taper outward from the edge of the shoulder or shank.
They should be flat with intersecting faces perpendicular. Hold each face of the screwdriver against the wheel to
true it up, and then ease the end straight into the stone to grind it true.
LAWN MOWER BLADES
Lawn mower blades are usually sharpened on only one side and dressed up slightly on the other. After sharpen-
ing, be sure to balance the blade by removing additional material from the heavy end. There are a number of
inexpensive cone balancers on the market for this purpose. Unbalanced blades can cause serious crank shaft dam-
age to your lawn mower. Always remove spark plug wires from the mower before servicing the blades to prevent
accidental starting.
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