Changing a grinding wheel | Operation |
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IMPORTANT: Prior to changing a wheel, ensure the |
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grinder is turned off and the power plug is removed |
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from the socket. Make sure that the replacement |
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wheel is rated at 3500 RPM or higher. |
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1.Loosen and remove the 3 bolts (1) on the wheel |
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guard (2), as shown in figure 9. |
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2.Remove the wheel guard. |
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3.To prevent wheel rotation, place a wood wedge (3) |
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between the grinding wheel and the tool rest (Figure |
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10). |
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4.Remove the locking nut (4) (see note below for |
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correct direction of rotation), outer flange | (5) and |
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the wheel (6). |
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Note: The wheel on the | FIG. 10 |
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grinder has a |
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clockwise direction. The wheel on the |
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side of the bench grinder has a |
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and is unscrewed in an |
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5.Fit the replacement wheel (6) and outer flange (5) |
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on the shaft ensuring that there is a blotter between |
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the wheel and the flanges on each side of the |
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wheel. Ensure the wheel is a slide fit (not loose) on |
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the spindle (Figure 11). |
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6.Replace the grinding wheel nut (4) and tighten. |
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(See the note above regarding the direction of |
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rotation of the nut). |
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7.Replace the wheel guard. |
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8.Reinsert the 3 bolts (1), washers, lock washers, |
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nuts, and tighten wheel guard in place. |
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shield. |
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| FIG. 11 |
10. Rotate the wheel by hand to check for free |
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movement and proper adjustments. |
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11. Plug in the bench grinder, put on eye protection, |
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stand to one side and run the grinder at full speed |
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for several minutes |
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7 | 5 | 4 |
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13.