
-46-
For Machines Mfd. Since 02/21
South Bend Tools
Model SB1097
TROUBLESHOOTING
Snake-shaped
marks on
workpiece.
1.
Sanding belt loaded with sawdust,
resin, and/or pitch.
1.
Clean (Page 41) or replace belt (Page 25).
2.
Sanding belt damaged.
2.
Replace sanding belt (Page 25).
Symptom
Possible Cause
Possible Solution
Deep sanding
grooves or scores in
workpiece.
1.
Excessive sanding speed.
1.
Decrease sanding speed.
2.
Using too coarse of sanding grit.
2.
Use finer grit sanding belt (Page 25).
3.
Workpiece sanded across grain.
3.
Sand with workpiece grain.
4.
Too much pressure against belt.
4.
Reduce pressure on workpiece while sanding.
5.
Workpiece held still for too long.
5.
Do not keep workpiece in one place for too long.
6.
Graphite pad on platen damaged.
6.
Replace graphite pad.
Abrasive grit rubs
off the belt easily.
1.
Sanding belt has been stored in an
incorrect environment.
1.
Replace sanding belt (Page 25). Store sanding belt
in a cool, dry area.
2.
Sanding belt has been folded or
crushed.
2.
Replace sanding belt (Page 25). Store sanding belt
flat, not folded or bent.
Sanding belt
surfaces clog
quickly or burn.
1.
Excessive sanding speed.
1.
Decrease sanding speed.
2.
Worn sanding belt.
2.
Replace sanding belt (Page 25).
3.
Too much pressure against belt.
3.
Reduce pressure on workpiece while sanding.
4.
Sanding softwood.
4.
Use different stock or accept characteristics of
workpiece and plan on cleaning (Page 41)/replacing
belt frequently (Page 25).
5.
Workpiece has high moisture
content or sap.
5.
Use different stock or accept characteristics of
workpiece and plan on cleaning (Page 41)/replacing
belt frequently (Page 25).
6.
Using too fine of sanding grit.
6.
Use coarser grit sanding belt (Page 25).
7.
Poor dust collection.
7.
Unclog ducts; close gates to improve suction; re-
design dust collection system.
Burn marks on
workpiece.
1.
Excessive sanding speed.
1.
Decrease sanding speed.
2.
Using too fine of sanding grit.
2.
Use coarser grit sanding belt (Page 25).
3.
Too much pressure against belt.
3.
Reduce pressure on workpiece while sanding.
4.
Workpiece held still for too long.
4.
Do not keep workpiece in one place for too long.
5.
Sanding belt loaded with sawdust,
resin, and/or pitch.
5.
Clean (Page 41) or replace belt (Page 25).
Glazed sanding
surfaces.
1.
Sanding wet stock.
1.
Dry stock properly before sanding (Page 24).
2.
Sanding stock with high pitch/
residue.
2.
Use different stock or accept characteristics of
workpiece and plan on cleaning (Page 41)/replacing
belt frequently (Page 25).
3.
Belt worn or filled with pitch/
residue.
3.
Replace belt (Page 25) or clean pitch/residue from
belt (Page 41).
Workpiece
frequently gets
pulled out of your
hand.
1.
Not supporting workpiece properly.
1.
Use backstop/miter gauge to support workpiece.
2.
Starting workpiece on a leading
corner.
2.
Start workpiece on a trailing corner.
Belt does not track
correctly.
1.
Belt tracking needs adjustment.
1.
Adjust sanding belt tracking (Page 28).
2.
Incorrect sanding belt tension.
2.
Make sure tension lever is engaged (Page 25).
3.
Belt damaged, worn, or misshapen.
3.
Replace sanding belt (Page 25).
Содержание SB1097
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