Trouble
Machine will not start/restart or repeatedly trips circuit breakers or blows fuses.
Sanding belt won’t come up to speed.
Belt won’t track.
Belt slips or stalls on application of pressure.
Excessive sanding belt replacement.
Machine vibrates excessively.
Sanding marks on workpiece.
Sanding grains quickly rub off belt.
Sanding belt becomes glazed.
Probable Cause | Remedy | |
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| Check to make certain all electrical connections | |
| are correct and properly tight. The electrical | |
| connections other than the motor are | |
Miswiring of the unit. | preassembled and tested at the factory. Therefore, | |
| the motor connections should be checked as the | |
| highest probability for error. If problems persist, | |
| double check the factory wiring. | |
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| If the on/off switch is suspect, you have two | |
On/off switch failure. | options: Have a qualified electrician test the switch | |
for function, or purchase a new on/off switch and | ||
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| establish if that was the problem on changeout. | |
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Extension cord too light or | Use adequate size extension cord. | |
too long. |
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Low (incoming) voltage. | Contact qualified electrician. | |
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Excessive bite, or feed | Allow sanding belt to cut freely, do not force. | |
pressure too great. |
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Drum is worn. | Replace drum. | |
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Belt is stretched unevenly. | Replace belt. | |
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Sanding belt tension not | Make sure lever is down all the way (page 13). | |
adequate. |
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Too much pressure being | Reduce pressure. | |
used during cuts. |
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Not using full width of belt. | Stroke across the belt using full width. | |
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Improper motor mounting. | Check and adjust mounting. | |
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Spring on tension | Replace with new spring. | |
mechanism is fatigued or |
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broken. |
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Drum is loose. | Tighten cap screw in motor (page 23, #39). | |
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Bad or broken sanding belt. | Replace sanding belt. | |
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Sanding belt too coarse for | Use proper grit. Coarser grits for stock removal, | |
required finish. | and finer grits for finish work. | |
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Workpiece sanded across | When surface sanding, use very fine sanding belt | |
grain. | then finish by hand, working in direction of grain. | |
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Sanding belt has lost its | Do not store sanding belts in extremely dry or high- | |
original properties. | temperature areas. Do not fold sanding belts. | |
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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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