Grizzly G0513 Series Owner's Manual page 66

Symptom Possible Cause
Machine has 1. Motor or component loose.
vibration or
2. Blade weld at fault/teeth broken.
noisy operation.
3. Blade at fault.
4. V-belt worn, loose, pulleys misaligned or belt
slapping cover.
5. Pulley loose.
6. Motor mount loose/broken.
7. Motor fan rubbing on fan cover.
8. Centrifugal switch needs adjustment/at fault.
9. Motor bearings at fault.
Blade or teeth 1. Blade tension incorrect.
break/crack.
2. Blade incorrect for application.
3. Excessive feed rate/pressure.
4. Cutting corners too sharply.
5. Blade dull/weld at fault.
6. Blade tracking incorrectly.
7. Blade guides/support bearings not adjusted
properly, allowing guides to hit blade teeth.
8. Blade guide height in wrong position.
9. Wheel tires worn or incorrectly installed.
10. Fence or miter slot out of alignment with
blade.
11. Bad blade guide bearings/bearings on wheels.
Blade slows, 1. Too much side pressure when feeding
smokes, shows
workpiece.
overheating or
2. Blade contacting table insert.
wear on one
side.
3. Blade guides worn or misadjusted.
4. Blade installed backwards or inside out.
5. Wheels out of alignment.
6. Dull, bell-mouthed, or incorrect blade.
7. Fence not parallel with blade.
8. Table surface not parallel or square to blade.
9. V-belt loose or slipping.
Finished 1. Blade overloaded and twists while cutting.
workpieces are
2. Blade TPI too coarse.
rough or show
3. Blade loose and fluttering.
scoring.
4. Blade tracking incorrect.
5. Blade has missing/bent teeth or faulty weld.
Table is hard 1. Table tilt lock lever tightened.
to tilt.
2. Sawdust or pitch trapped between trunnion
and base.
3. Metal burrs on trunnion.
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Possible Solution
1. Replace damaged/missing bolts/nuts; tighten if loose.
2. Replace blade (Page 51).
3. Replace warped/bent blade (Page 51); resharpen dull
blade.
4. Inspect/replace belt (Page 66). Re-align pulleys if
necessary.
5. Secure pulley on shaft.
6. Tighten/replace.
7. Fix/replace fan cover; replace loose/damaged fan.
8. Adjust/replace if at fault.
9. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
1. Adjust blade tension (Page 32).
2. Use correct blade for application (Page 46).
3. Reduce feed rate/pressure.
4. Use a wider arc on outside cuts, or use relief cuts to
make tight inside cuts.
5. Replace blade (Page 51).
6. Adjust blade tracking (Page 33).
7. Adjust blade guides/support bearings properly, so
guides cannot hit teeth during operation (Pages
34–35).
8. Adjust upper blade guide so blade is as close to
workpiece as possible (Page 35).
9. Replace or re-install tire.
10. Align table and fence with blade (Pages 38–39).
11. Replace blade guides/bearings.
1. Feed workpiece straight into blade.
2. Adjust blade guides to eliminate excess side pressure
(Page 35); properly align table (Page 38).
3. Adjust upper blade guides as close to workpiece as
possible (Page 35).
4. Check blade installation; make sure teeth face front
of machine and point down in table throat. Re-install
blade if necessary (Page 51).
5. Adjust wheels so they are coplanar (Page 71).
6. Replace blade (Page 51).
7. Adjust fence/miter slot with blade (Pages 38–39).
8. Adjust/shim table/trunnion position until blade and
table are parallel and square (Page 38).
9. Tighten V-belt (Page 66). Replace if worn or oily.
1. Decrease feed rate (Page 46).
2. Use correct blade for material and type of cut (Page 46).
3. Increase blade tension as required (Page 32).
4. Adjust blade tracking (Page 33).
5. Replace blade (Page 51).
1. Loosen table tilt lock lever (Page 45).
2. Remove table and clean trunnion sliding surfaces of
sawdust or pitch.
3. Remove burrs.
G0513 Series Bandsaws (Mfd. Since 08/22)