Troubleshooting - Grizzly G1011Z Instruction Manual

SYMPTOM
Teeth Breakage
Blade breakage.
Cut not straight.
Blade Twisting.
Premature tooth wear.
Repetitive ticking noise
when blade is on.
Blade does not run even-
ly on wheels or runs off.
Blade does not cut
evenly.
Blade contacting table
surface.
Blade does not stop after
cut is complete.
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TROUBLESHOOTING

POSSIBLE CAUSE
1. Too few teeth per inch.
2. Excessive loading of gullets.
3. Excessive feed rate.
4. Work not secured in vise.
1. Teeth too coarse.
2. Misalignment of guides.
3. Dry cutting
4. Excessive speed.
5. Excessive feed
6. Excessive tension.
1. Wheels out of line.
2. Guides out of line.
3. Excessive feed pressure.
4. Insufficient blade tension
5. Work not secured in vise.
1. Blade not aligned with blade
guides.
2. Excessive feed pressure.
3. Excessive feed rate.
1. Dry cutting.
2. Blade too coarse.
3. Insufficient feed rate.
4. Excessive speed.
5. Tooth set is uneven.
1. Blade weld contacting support
or guide bearings.
2. Blade weld may be failing.
1. Tracking is not adjusted prop-
erly.
1. Blade tension is incorrect.
2. Tooth set is uneven.
3. Teeth are sharper on one side
than the other.
1. Horizontal stop screw not
adjusted.
1. Automatic shut-off switch not
adjusted.
CORRECTIVE ACTION
1. Use finer tooth blade (make sure at least three teeth-
contact the workpiece).
2. Use coolant or increase coolant flow, or use coarser
tooth blade.
3. Decrease feed rate.
4. Check that vise is tight to the bed and the movable
jaw is tightened.
1. Use a finer tooth blade.
2. Adjust blade support and guide bearings.
3. Use coolant system.
4. Decrease cutting speed
5. Decrease cutting feed rate.
6. Reduce blade tension
1. Adjust blade tracking.
2. Adjust support and guide bearings.
3. Adjust spring tension to reduce feed pressure.
4. Increase blade tension.
5. Check that vise is tight to the bed and the movable
jaw is tight on the material to be cut.
1. Adjust support and guide bearings, check alignment
of blade to table.
2 Adjust spring tension to reduce feed pressure.
3. Reduce feed rate at control panel.
1. Use coolant system.
2. Use finer tooth blade.
3. Increase feed rate so that blade does not ride in cut.
4. Reduce cutting speed.
5. Replace blade, or have it professionally sharpened.
1. Use file or stone to smooth and round the back of the
blade.
2. Inspect and replace blade if necessary.
1. Adjust tracking.
1. Adjust tension.
2. Replace blade, or have it professionally sharpened.
3. Replace blade, or have it professionally sharpened.
1. Adjust horizontal stop screw.
1. Adjust automatic shut-off switch.
G1011 7" x 12'' Bandsaw