(Troubleshooting Continued)
SYMPTOM | POSSIBLE REASON |
| HOW TO REMEDY |
The | The workpiece has been held against the belt | Keeping the workpiece against the back stop, | |
sanded | in one position. | and move the workpiece around on the sanding | |
surface |
| surface slightly. | |
has |
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scratches | The workpiece has been pushed too hard | Decrease how hard you are pushing on the | |
and/or has | against the sanding belt. | workpiece. | |
ridges. | The workpiece has been sanded against the | Only sand with the grain. | |
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| grain. |
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| The belt is worn or loaded up with particles. | Dress the | |
| The belt grit is the too coarse for your | Change to a new belt. | |
| anticipated sanding results. |
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| The roller(s) or platen graphite has foreign | 1. | Replace the roller(s). |
| objects imbedded and/or there is surface |
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| damage. | 2. Replace the platen graphite pad. | |
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The | The platen is tilted, or it is not perpendicular | 1. | Align or level the platen to table. |
sanded | to the main table. |
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surface is |
| 2. The idler roller is tapered; adjust the | |
tapered |
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| auxiliary table to guide the workpiece to |
and not |
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| the center of the idler roller. |
square. |
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| Auxiliary sanding is occurring at the top or | Align the table with the rollers. | |
| bottom portion of the idler roller. |
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The | You are not sanding at the center of the idler | Adjust the auxiliary table to hold the | |
sanded | roller, but rather at the top or bottom portion | workpiece at the center of the idler roller | |
surface | of the idler roller where it is tapered. | while sanding. | |
sanded at |
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the | Sawdust, pitch, or oil has built up on the | 1. | Service the dust collection system. |
auxiliary | rollers(s) creating an uneven surface under the |
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table and | belt. | 2. Remove the belt and clean the idler and | |
idler roller |
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| drive roller surfaces. |
is uneven |
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or |
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tapered. |
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