Grizzly G0449 Owner's Manual page 35

Symptom Possible Cause
Workpiece kicks 1. Not sufficient pressure roller pressure.
out.
Sanding drums 1. Drums scrape dust scoop.
make scraping nois-
es.
Sandpaper tears off 1. Nail/staple in workpiece.
drums during opera-
2. Sandpaper not fastened correctly.
tion.
3. Drums not perpendicular to the feed direc-
tion.
Table elevation con- 1. Table lock is engaged.
trols are stiff and
2. Table lift screws dirty or loaded with saw-
hard to adjust.
dust.
3. Chain idler roller sprocket lock nuts have
been tightened against roller.
4. Elevation handle worm gear is dirty or
loaded with sawdust.
Poor dust collec- 1. Dust collection lines incorrectly sized for this
tion.
machine.
2. Dust collector underpowered or too far
away from this machine.
G0449/G0450 37" Drum Sander
Possible Solution
1. Increase pressure roller pressure (Page 44).
1. Adjust dust scoops so they do not touch sanding
drums (Page 46).
1. Sand only clean workpieces.
2. Install the sandpaper correctly (Page 27).
3. Adjust the drums perpendicular to the feed direction
(Page 39).
1. Disengage table lock.
2. Clean and regrease table lift screws (Page 46).
3. Adjust the lock nuts on the idler roller sprocket so the
roller can spin freely.
4. Remove the worm gear box, clean it, and regrease
it.
1. Use at least an 8" main line with two 6" branch lines
that each Y into 4" at the machine.
2. Upgrade your dust collector or decrease the dis-
tance from the dust collector to the machine.
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