OPERATION
(Troubleshooting Continued)
SYMPTOM | POSSIBLE REASON |
| HOW TO REMEDY |
The sander | The extension cord used is the wrong gauge | Eliminate the extension cord and move the | |
runs slow. | and has too much resistance. | sander closer to the wall receptacle. | |
| The motor is wired incorrectly. | Contact a qualified electrician if you are | |
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| unqualified to do this task: Rewire the junction | |
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| box for 110V or 220V as outlined in wiring | |
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| diagram and on the motor data plate. | |
| The supply circuit has low voltage and/or high | Get a qualified electrician to make sure the | |
| resistance. | supply circuit used has the load carrying | |
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| capacity for your sander and all other machines | |
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| using the same circuit. | |
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The belt | The belt tension is too low. As a result, the | Increase the belt tension to prevent slippage. | |
tears or | belt has run off of the rollers because of | DO NOT over tighten the belt tension. | |
runs off of | slipping from the sanding load. |
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the |
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sander. | The drive roller and/or the idler roller are not | Align the rollers and adjust the vertical belt | |
| aligned. | tracking. | |
| The belt is sanding in the wrong direction, it is | Install a new belt with the belt rotation arrows | |
| worn out, or is defective. | pointing in the correct direction for sander | |
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| operation. | |
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The | The workpiece has been pushed too hard | Replace the belt and decrease how hard you | |
abrasive | against the sanding belt ruining the belt. | push on the work piece. | |
belt has |
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worn out |
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quickly. | The belt loses the abrasive surface quickly | Replace belts that have been improperly stored | |
| from moisture, heat, or oil. | in extremely hot or damp places. | |
| The belt is clogged with sanding material. | Keep belts dressed with belt dressing blocks. | |
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The | The workpiece has been pushed too hard | Decrease how hard you are pushing and keep | |
sanded | against the sanding belt. | workpiece moving. | |
surface is |
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burnt or | The sanding belt grit is too fine. | Use coarse grit belt and then finish with a fine- | |
glazed. |
| grit sanding belt. | |
| The belt is worn out or it is loaded up with | 1. | Dress the belt. |
| dust. | 2. Match the correct belt with the material to | |
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| be sanded. |
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| 3. | Replace worn belts. |
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(Continued Next Page)
