Grizzly G0967 Owner's Manual page 33

20" variable-speed disc sander
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Operation
Symptom
Possible Cause
Sanding discs
1. Excessive sanding speed.
clog quickly
2. Excessive workpiece pressure.
or excessive
3. Using too fine of sanding grit.
sanding disc
4. Sanding softwood.
replacement.
5. Sanding wet stock; workpiece has high sap
content.
6. Not using full width of sanding surface.
7. Worn sanding disc.
Deep sanding
1. Excessive sanding speed.
grooves or
2. Workpiece sanded across grain.
scores in
3. Excessive workpiece pressure.
workpiece.
4. Sandpaper too coarse for desired finish.
5. Workpiece held still against disc.
Burn marks on
1. Excessive sanding speed.
workpiece.
2. Excessive workpiece pressure.
3. Using too fine of sanding grit.
4. Workpiece held still against disc.
5. Sanding disc loaded with sawdust, resin, and/
or pitch.
Glazed sanding
1. Sanding wet stock; workpiece has high sap
surfaces.
content.
2. Sanding disc loaded with sawdust, resin, and/
or pitch.
Workpiece not
1. Table is not perpendicular to sanding disc.
sanded square
2. Table is not parallel to sanding disc.
when table tilt is
set to 0˚.
Sanded
1. Miter gauge needs to be calibrated.
workpiece
angle does not
match miter
gauge setting.
Abrasive grit
1. Sanding disc has been stored in an incorrect
rubs off sanding
environment.
disc easily.
2. Sanding disc has been folded or crushed.
Workpiece
1. Not supporting workpiece properly.
frequently gets
pulled out of
your hands.
Model G0967 (Mfd. Since 06/23)
Possible Solution
1. Decrease sanding speed.
2. Reduce workpiece pressure.
3. Use a coarser grit sandpaper (Page 22).
4. Use different stock or accept characteristics of
workpiece and plan on cleaning (Page 29)/replacing
(Page 24) disc frequently.
5. Dry workpiece properly before sanding (Page 23); use
different stock or accept characteristics of workpiece
and plan on cleaning (Page 29)/replacing (Page 24)
disc frequently.
6. Position workpieces to use different locations to use
full width of sanding surface; move workpiece back
and forth across sanding surface if operation allows it.
7. Replace sanding disc (Page 24).
1. Decrease sanding speed.
2. Sand workpiece with grain.
3. Reduce workpiece pressure.
4. Use a finer grit sandpaper (Page 22).
5. Move workpiece back and forth across sanding
surface if operation allows it.
1. Decrease sanding speed.
2. Reduce workpiece pressure.
3. Use a coarser grit sandpaper (Page 22).
4. Move workpiece back and forth across sanding
surface if operation allows it.
5. Clean (Page 29)/replace (Page 24) sanding disc.
1. Dry workpiece properly before sanding (Page 23); use
different stock or accept characteristics of workpiece
and plan on cleaning (Page 29)/replacing (Page 24)
disc frequently.
2. Clean (Page 29)/replace (Page 24) sanding disc.
1. Calibrate table tilt (Page 33).
2. Adjust table parallelism (Page 32).
1. Calibrate miter gauge scale (Page 33).
1. Replace sanding disc (Page 24). Store sanding disc in
a cool, dry area.
2. Replace sanding disc (Page 24). Store sanding disc
flat, not folded or bent.
1. Use miter gauge to support workpiece.
-31-

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