SECTION 7: SERVICE
Review the troubleshooting and procedures in this section to fix your machine if a problem develops. 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 |
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| POSSIBLE CAUSE | CORRECTIVE ACTION | ||||
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Motor |
| will | not | 1. | Low voltage. | 1. | Check power line voltage and correct if necessary. | |
start. |
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| 2. | Open circuit in motor or loose connections. | 2. | Inspect all connections on motor for loose or open |
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Motor |
| will | not | 1. | Loose connections or short circuit in line cord, | 1. | Inspect cord, plug and motor for damaged insula- | |
start; fuses/circuit |
| plug, or motor. |
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breakers blow. | 2. | Incorrect fuses or circuit breakers in power line. | 2. | Install correct fuses or circuit breakers. | ||||
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Motor |
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| stalls | 1. | Motor overloaded. | 1. | Reduce load on motor. | |
(resulting |
| in | 2. | Short circuit in motor or loose connections. | 2. | Inspect connections on motor for loose or shorted | ||
blown |
| fuses | or |
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| terminals or worn insulation. | |
tripped circuit). | 3. | Low voltage. | 3. | Check power line voltage and correct if necessary. | ||||
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| 4. | Incorrect fuses or circuit breakers in power line. | 4. | Install correct fuses or circuit breakers. |
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Machine | slows | 1. | Workpiece pressure is too great. | 1. | Reduce workpiece pressure on wheel. | |||
when operating. |
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Machine vibrates | 1. | Machine not mounted securely. | 1. | Secure machine to benchtop or stand. | ||||
excessively. |
| 2. | Incorrect sanding belt tracking. | 2. | Follow belt tracking instructions on Page 15. | |||
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| 3. | Weak or broken tension spring. | 3. | Replace spring. |
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| 4. | Broken/defective sanding belt. | 4. | Replace sanding belt. |
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| 5. | Sanding disc rubbing or not centered properly. | 5. | Adjust sanding table to prevent disc contact. |
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Sanded | surface | 1. | Table not perpendicular to disc. | 1. | Adjust table tilt. | |||
not square. |
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| 2. | Miter gauge not square to disc. | 2. | Adjust miter gauge. | ||
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Deep |
| sanding | 1. | Sandpaper damaged or clogged. | 1. | Clean and/or replace sanding surface. | ||
grooves or scars | 1. | Sandpaper too coarse for the desired finish. | 1. | Use a finer grit sanding belt or disc. | ||||
in workpiece. |
| 2. | Workpiece sanded across the grain. | 2. | Sand with the grain. | |||
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| 3. | Too much sanding force on workpiece. | 3. | Reduce pressure on workpiece while sanding. |
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| 4. | Workpiece held still against the belt or disc. | 4. | Keep workpiece moving while sanding. |
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Grains rub off the | 1. | Sanding belt or disc has been stored in an incor- | 1. | Store sanding belt or disc away from damp condi- | ||||
belt or disc eas- |
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ily. |
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| 2. | Sanding belt or disc has been damaged. | 2. | Store sanding belt or disc flat, not folded or bent. |
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Sanding surfaces | 1. | Too much pressure against belt or disc. | 1. | Reduce pressure on workpiece while sanding. | ||||
clog | quickly | or | 2. | Sanding softwood. | 2. | Use different stock or plan on cleaning/replacing | ||
burn. |
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| belts frequently. |
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Burn | marks | on | 1. | Using too fine of sanding grit. | 1. | Use a coarser grit sanding belt or disc. | ||
workpiece. |
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| 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 properly before sanding. | |||
surfaces. |
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| 2. | Sanding stock with high residue. | 2. | Use different stock or plan on cleaning/replacing | ||
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| belts/discs frequently. |
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Workpiece | kick- | 1. | Not supporting the workpiece against the stop. | 1. | Use back stop to support workpiece. | |||
back or vibration. | 2. | Starting the workpiece on a leading corner. | 2. | Start workpiece on a trailing corner. | ||||
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H7761 2" x 27" Belt & 6" Disc Combo Sander |
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