Grizzly T32459 Owner's Manual page 35

Operation
Symptom Possible Cause
Belt slaps 1. Belt is not tensioned properly.
or vibrates
excessively.
2. Belt tracking needs adjustment.
3. Broken/defective belt.
4. Idler or drive wheel is loose.
5. Gas strut is worn/at fault.
Belt does not 1. Belt is not tensioned properly.
track correctly.
2. Belt tracking needs adjustment.
3. Belt damaged, worn, or misshapen.
4. Idler or drive wheel is worn.
5. Gas strut is worn/at fault.
Belt slips during 1. Belt is not tensioned properly.
use.
2. Excessive workpiece pressure.
3. Gas strut is worn/at fault.
Poor, non- 1. Belt clogged/worn.
aggressive
2. Using too fine of belt grit.
grinding results.
Excessive belt 1. Not using full width of abrasive surface.
replacement.
2. Excessive workpiece pressure.
Deep grooves 1. Excessive belt speed.
or scores in
2. Using too coarse of belt grit.
workpiece.
3. Excessive workpiece pressure.
4. Workpiece held still for too long.
5. Graphite pad on platen damaged.
Belt clogs 1. Excessive belt speed.
quickly.
2. Worn belt.
3. Excessive workpiece pressure.
4. Using too fine of belt grit.
5. Workpiece material is prone to belt-clogging,
such as soft aluminum.
Abrasive grit 1. Belt stored in incorrect environment.
rubs off belt
easily.
2. Belt has been folded or crushed.
3. Belt is too old.
Workpiece 1. Tool rest not perpendicular to platen.
surface not
square when
platen/tool rest
tilt is set to 0°.
Workpiece 1. Not supporting workpiece properly.
frequently gets
2. Starting workpiece on a leading corner.
pulled out of
your hand.
Model T32459 (Mfd. Since 03/23)
Possible Solution
1. Adjust platen forward while belt tension handle is
engaged, lock platen, then release belt tension handle.
2. Adjust belt tracking (Page 25).
3. Replace belt (Page 23).
4. Tighten idler or drive wheel.
5. Replace gas strut.
1. Adjust platen forward while belt tension handle is
engaged, lock platen, then release belt tension handle.
2. Adjust belt tracking (Page 25).
3. Replace belt (Page 23).
4. Replace wheel.
5. Replace gas strut.
1. Adjust platen forward while belt tension handle is
engaged, lock platen, then release belt tension handle.
2. Reduce workpiece pressure against belt.
3. Replace gas strut.
1. Clean/replace belt (Page 23).
2. Use coarser grit belt (Page 21).
1. Move workpiece back and forth across abrasive
surface.
2. Reduce workpiece pressure against belt.
1. Decrease belt speed.
2. Use finer grit belt (Page 21).
3. Reduce workpiece pressure against belt.
4. Move workpiece back and forth across abrasive
surface.
5. Replace graphite pad.
1. Decrease belt speed.
2. Replace belt (Page 23).
3. Reduce workpiece pressure against belt.
4. Use coarser grit belt (Page 21).
5. Reduce feed pressure. User coarser grit belt
(Page 21).
1. Replace damaged belt (Page 23); store belt in cool,
dry area.
2. Replace damaged belt (Page 23). Store belt flat; do
not bend or fold belt.
3. Use new belt (Page 23).
1. Use machinist square to adjust tool rest tilt/swivel so it
is perpendicular to platen.
1. Use tool rest to support workpiece (Page 26).
2. Start workpiece on a trailing corner.
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