Grizzly G0459 Owner's Manual page 27

Symptom Possible Cause
Short V-belt lifes- 1. Pulleys not aligned correctly.
pan.
2. Improperly tensioned.
Conveyor slips 1. Conveyor is too loose.
under load.
2. Too much load.
Conveyor tracks 1. Conveyor tracking is incorrect.
to one side; con-
veyor hits the
roller cover.
Workpiece pulls 1. The sanding drum is not parallel with the table.
to one side dur-
ing sanding oper-
ations.
Excessive snipe. 1. Too much pressure from all the pressure roll-
ers.
2. Too much pressure from the rear pressure
roller.
3. Lack of outfeed support.
Workpiece kicks 1. Not enough pressure from the pressure rollers.
out of sander.
Sandpaper tears 1. Nail/staple in workpiece.
off drums during
2. Sandpaper not tightened or fastened correctly.
operation.
3. Drum not perpendicular to the feed direction.
Table eleva- 1. Table lift screws are dirty or loaded with saw-
tion controls are
dust.
stiff and hard to
adjust.
Poor dust collec- 1. Dust collection lines incorrectly sized for this
tion.
machine.
2. Dust collector underpowered or too far away
from this machine.
Grease on con- 1. Chain too low.
veyor belt
G0459 12" Drum Sander
Possible Solution
1. Align pulleys (Page 27).
2. Properly tension V-belts (Page 26).
1. Tension conveyor (Page 28).
2. Decrease load.
1. Track the conveyor so it runs straight (Page 28).
1. Adjust the sanding drum parallel to the table (Page
29).
1. Reduce pressure roller pressure (Page 31).
2. Reduce rear pressure roller pressure (Page 31).
3. Set up outfeed table or have someone catch the
workpiece as it comes out.
1. Increase pressure roller pressure (Page 31).
1. Sand only clean workpieces.
2. Install the sandpaper correctly (Page 18).
3. Adjust the drum perpendicular to the feed direction
(Page 29).
1. Clean and regrease table lift screws (Page 22).
1. Use at least an 8" main line with two 6" branch lines
that each Y into 2 1 ⁄ " at the machine.
2
2. Upgrade your dust collector or decrease the distance
from the dust collector to the machine.
1. Raise table far enough up so it doesn't touch chain.
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