Installing Grinding Wheel
Note: Do not use aluminum oxide grind- ing wheels when grinding nonferrous metals such as aluminum and brass. Use silicon carbide grinding wheels for all nonferrous metals
1.Make sure the inside WHEEL MOUNTING WASHER (11) is on the SPINDLE (9) with its concave side facing out as shown in figure 5.
2.Place the GRINDING WHEEL (2) on the SPINDLE.
3.Place the outside WHEEL MOUNT- ING WASHER (11) on the SPINDLE with its concave side facing in.
4.Place the WHEEL MOUNTING NUT (10) on the SPINDLE and tighten. Caution; do not over tighten the WHEEL MOUNTING NUT as it may crack the GRINDING WHEEL.
5.Replace both WHEEL COVERS (6) and secure with their BOLTS (12), NUTS (13), and WASHERS (14).
Dressing the Wheel
2.With the Bench Grinder running, grip the handle of the dresser firmly with one hand and the arm of the dresser with the other.
3.Using the TOOL REST (7) as sup- port, apply the dresser evenly to all surfaces of the GRINDING WHEEL.
4.Continue step 3 until the GRINDING WHEEL is straight and true.
New wheels frequently are not true and during operation often become grooved, glazed, out of round, or misshapen. At these times, they will need dressing. You will need a grind- ing wheel dresser for this operation. Dressers are available from Harbor Freight Tools.
1.Standing to the side of the wheel, let the Bench Grinder run for a full min- ute with no load. If the GRINDING WHEEL runs straight and true, you will not need to dress it prior to op- erating. If it is not, proceed with the following steps.
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