Trouble
Machine vibrates excessively.
Sanding marks on workpiece.
Sanding grains quickly rub off paper.
Sanding paper becomes glazed.
Burn marks on workpiece.
Sanding paper burns, or clogs quickly.
Workpiece pulled from hand.
Sanded edge is not square.
Probable Cause | Remedy |
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Sander base not level with | Shim if necessary. |
floor. |
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Not secured to the floor. | Use lag screws through holes in base to secure |
| machine to the floor. |
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Improper motor mounting. | Check and adjust mounting. |
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Sanding paper too coarse | Use proper grit. Coarser grits for stock removal, |
for required finish. | and finer grits for finish work. |
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Workpiece sanded across | When surface sanding, use fine sanding disc |
grain. | paper then finish by hand, working in direction of |
| grain. |
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Sanding paper has lost its | Do not store sanding paper in extremely dry or |
original properties. | |
| papers, store them flat. |
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Sanding painted surface. | Use |
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Wood is wet or gummy. | No cure. Use different stock. |
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Wrong sanding paper | Use coarser grit for stock removal. |
surface. |
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Feed pressure too great. | Do not force workpiece into disc. Use just enough |
| pressure, and let the sanding disc do the work. |
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Too much pressure, | Adjust for slight sanding action and make several |
sanding disc biting too | passes. |
deeply into workpiece. |
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No support for workpiece. | Use miter gauge. Keep workpiece firmly down |
| against table. |
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Result of freehand sanding. | Keep workpiece flat on table at all times when a |
| square edge is desired. Use miter gauge to ensure |
| workpiece is square with sanding disc. |
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Table scale inaccurate. | Check table alignment to disc with a machinist’s |
| square. It should be 90 degrees. Adjust pointer |
| and table angle if necessary. |
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Replacement Parts
Replacement parts are listed on the following pages. To order parts or reach our service department, call
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