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Troubleshooting
SECTION 7: SERVICE
Review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel- ops. If you need replacement parts or you are unsure of your repair skills, then feel free to call our Technical Support at (570)
Troubleshooting
Symptom |
| Possible Cause | Possible Solution |
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Motor |
| will | not | 1. | Low voltage. | 1. | Check power line voltage and correct if necessary. | ||
start; | fuses/circuit | 2. | Loose connection or short in line cord, plug, | 2. | Inspect/repair cord, | plug, and | motor for damaged | ||
breakers trip. |
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| or motor. |
| insulation, shorted wires, or loose connections. | ||||
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| 3. | Incorrect fuses or circuit breakers in power | 3. | Install correct fuses or circuit breakers. | ||
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Motor stalls. |
| 1. | Motor overloaded. | 1. | Reduce load on motor. |
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| 2. | Low voltage. | 2. | Check power line voltage and correct if necessary. | ||
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| 3. | Incorrect fuses or circuit breakers in power | 3. | Install correct fuses or circuit breakers. | ||
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Machine slows when | 1. | Workpiece pressure is too great. | 1. | Reduce workpiece pressure on sanding surface. | |||||
operating. |
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Machine | vibrates | 1. | Machine not mounted securely. | 1. | Properly secure | machine | to benchtop/stand | ||
excessively. |
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| 2. | Incorrect sanding belt tracking. | 2. | Adjust sanding belt tracking (Page 22). | ||
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| 3. | Weak or broken sanding belt tension | 3. | Replace spring. |
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| spring. |
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| 4. | Broken/damaged sanding belt. | 4. | Replace sanding belt. |
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| 5. | Sanding disc rubbing, not properly centered, | 5. | Properly install/secure sanding disc. | ||
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| set screw not tight. |
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Sanded surface not | 1. | Table/miter guage not square to sanding | 1. | Square table/miter guage relative to sanding belt/ | |||||
square. |
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| belt/disc. |
| disc (Page 25). |
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Deep |
| sanding | 1. | Sandpaper damaged or clogged. | 1. | Clean/replace sanding surface. |
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grooves or scars in | 2. | Sandpaper too coarse for desired finish. | 2. | Use a finer grit sanding surface. | |||||
workpiece. |
| 3. | Workpiece sanded across grain. | 3. | Sand with the grain. |
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| 4. | Too much sanding force on workpiece. | 4. | Reduce pressure on workpiece while sanding. | ||
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| 5. | Workpiece held still against the belt/disc. | 5. | Keep workpiece moving across sanding surface. | ||
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Sanding | grains | 1. | Sanding belt/disc has been stored | 1. | Store sanding materials away from heat or damp | ||||
easily |
| rub | off |
| incorrectly. |
| conditions; store flat, not folded or bent. | ||
sanding surface. |
| 2. | Sanding surface has been damaged. | 2. | Replace sanding material. |
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Sanding | surface | 1. | Too much pressure against belt/disc. | 1. | Reduce pressure on workpiece while sanding. | ||||
clogs | quickly | or | 2. | Sanding softwood or has paint/varnish. | 2. | Use different stock; change/clean sanding material | |||
burns. |
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Burn | marks | on | 1. | Using too fine of sanding grit. | 1. | Use a coarser grit sanding belt/disc. | |||
workpiece. |
| 2. | Using too much pressure. | 2. | Reduce pressure on workpiece while sanding. | ||||
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| 3. | Work held still for too long. | 3. | Do not keep workpiece in one place for too long. | ||
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Glazed |
| sanding | 1. | Sanding wet stock. | 1. | Dry stock proper before sanding. | |||
surfaces. |
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| 2. | Sanding stock with high residue. | 2. | Use different stock; change/clean sanding material | |||
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| Model H8192 1" Belt/8" Disc Combo Sander |