Grizzly G0775 Owner's Manual page 27

20" heavy-duty disc sander
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Sander Operation
Symptom
Possible Cause
Miter bar binds in
1. Miter slot dirty or gummed up.
miter slot.
Workpiece angle
1. Pointer or scale not calibrated correctly.
incorrect or out of
Miter gauge or table not correctly aligned.
square.
Sandpaper clogs
1. Sandpaper grit is too fine for the job.
quickly or burns.
2. Workpiece is too moist.
3. Sanding pressure/depth too aggressive.
4. Paint, varnish, pitch, or other coating is
loading up sandpaper.
5. Sanding soft workpiece.
6. Work held still for too long.
Glossy spots, burn-
1. Sandpaper too fine for the desired finish.
ing, or streaks on
2. Work held still for too long.
workpiece.
3. Workpiece is too moist.
4. Sanding stock with high residue.
5. Worn sandpaper.
6. Sanding depth too aggressive.
Abrasive rubs off
1. Sandpaper has been stored in an incorrect
the disc easily.
environment.
Model G0775 (Mfd. Since 11/14)
Possible Solution
1. Carefully clean miter slot.
1. Adjust pointer or scale to reflect real path of cut
(Page 26, 27).
1. Replace with a coarser grit sandpaper.
2. Allow workpiece to dry out.
3. Reduce sanding pressure/depth or install coarser
sandpaper.
4. Install a coarse grit sandpaper, or strip coating off
before sanding.
5. Use different stock. Or, accept the characteristics
of the stock and plan on cleaning/replacing discs
frequently.
6. Move workpiece more frequently.
1. Use a coarser grit sandpaper.
2. Do not keep workpiece in one place for too long.
3. Allow workpiece to dry out.
4. Use different stock. Or, accept the characteristics
of the stock and plan on cleaning/replacing
sandpapers frequently.
5. Replace sandpaper (Page 18).
6. Reduce sanding depth or install coarser sandpaper.
1. Replace; store sandpaper away from extremely dry,
hot, or damp conditions.
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