21
PROBLEM
SOLUTION
Sanding paper clogs too quickly.
1. Sanding paper grit too fine.
2. Too much material is removed at once.
3. Dirty board surface.
4. Insufficient dust collection.
5. Stock is too oily.
6. Board contains too much moisture.
7. Sandpaper worn out.
Sandpaper tearing.
1. Drums not perpendicular to feed direction.
2. Drums not parallel to conveyor table.
3. Sandpaper edges overlapped.
4. Tape is slipping.
5. Too much material is removed at once.
Rounding occurs on the edges.
1. Too much material is removed at once.
Uneven thickness on right and left side of the board.
1. Drums are not parallel to conveyor table.
2. Uneven wear of sanding paper.
Stock slips on the conveyor belt.
1. Too much material is removed at once.
2. Too much dust on the conveyor belt surface.
3. Worn conveyor belt.
Shiny spots on sanded surface.
1. Sanding paper too old.
2. Drums too high.
Marks on sanded surface.
1. Partial damage to sanding paper.
2. Paper overlapped on edges.
Conveyor belt does not run smoothly or stops completely.
1. Conveyor belt tension is incorrect.
2. Belt tracking is incorrect.
Consistently noticeable “snipe”
1. No outfeed support.
2. Pressure roller spring tension incorrect.
3. Drum height incorrect in relation to pressure rollers.
TROUBLESHOOTING GUIDE
To prevent injury to yourself or damage to the drum sander, turn the switch to the OFF position and unplug the power
cord from the electrical receptacle before making any adjustments.
Summary of Contents for 55220
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