ADJUSTMENTS
WARNING:
The sander should never be connected to a power supply when you are assembling parts, making ad- justments, cleaning, or when not in use. Disconnect- ing the tool will prevent accidental starting that could cause serious personal injury.
SELECTING SANDING SLEEVES
Selecting the correct size diameter, correct size grit, and correct type sanding sleeve is an extremely important step in achieving a high quality sanded finish. Aluminum oxide, silicon carbide, and other synthetic abrasives are best for power sanding. Natural abrasives, such as flint and garnet are too soft for power sanding.
In general, when sanding, coarse grit removes the most material and fine grit produces the best finish. The condition of the surface to be sanded determines which grit will do the best job. If the surface is rough, start with a coarse grit and sand until the surface is uniform. Then use medium grit to remove scratches left by the coarser grit. Finally, use finer grit for finishing the surface. Always continue sanding with each grit until the surface is uniform.
NOTE: Do not use the sander without a sanding sleeve. Doing so will damage the rubber spindle.
Select and install the desired sanding sleeve for your particular application. As mentioned previously, you can use sanding sleeves from 1/2 in. (12.7 mm) to 3 in. (76.2 mm) in diameter with this sander. Choose one that is close in size to the workpiece you are sanding.
SELECTING THROAT PLATES/UPPER SPINDLE WASHERS
See Figure 2.
Six throat plates are provided with this sander. Each throat plate indicates the correct sanding sleeve/rubber spindle size to use.
The chart below identifies the relationship between sanding sleeves/rubber spindles, throat plates, and upper spindle washers.
WARNING:
Failure to use the correct size throat plate with its matching sanding sleeve could result in fingers being pinched or the workpiece being pulled down between the throat plate and the sanding sleeve.
SANDING
SLEEVE
THROAT
PLATE
THROAT
PLATE
OPENING
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| Fig. 2 |
| Sanding Sleeve/Rubber Spindle | Throat Plate | Upper Spindle Washer |
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| 1/2 in. (12.7 mm) | .5” (13 mm) | 5/8 in. (15.9 mm) |
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| 3/4 in. (19.1 mm) | .75” (19 mm) | 7/8 in. (22.2 mm) |
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| 1 in. (25.4 mm) | 1” (26 mm) | 7/8 in. (22.2 mm) |
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| 1.5” (38 mm) | 7/8 in. (22.2 mm) | |
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| 2 in. (50.8 mm) | 2” (51 mm) | |
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| 3 in. (76.2 mm) | 3” (76 mm) |
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