Grizzly G0886 Owner's Manual page 54

12'' x 14'' 3 hp auto metal-cutting bandsaw
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Operation
Symptom
Possible Cause
Vibration when
1. Loose or damaged blade.
operating or cutting.
2. Worn wheel bearing.
3. Bent or dull blade.
4. Machine component(s) loose.
5. Wheels worn or incorrectly installed.
6. Wheel appears bent.
7. Gearbox at fault.
Ticking sound when
1. Blade weld contacting blade guides.
saw is running.
2. Blade weld may be failing.
3. Blade teeth missing or broken.
Machine or blade
1. Feed rate too fast; blade speed too low.
bogs down in cut.
2. Belt slipping.
3. Blade loading up.
4. Blade dull.
5. Blade not supported; blade tracking
incorrectly.
6. Blade TPI incorrect.
7. Blade tension too low.
8. Material requires cutting fluid/lubrication.
Cuts not square.
1. Blade not square to table.
Blade dulls
1. Blade improperly broken in.
prematurely, or
metal sticks to
2. Blade gullets loading up with chips.
blade.
3. Blade TPI too fine; teeth load up and
overheat.
4. Incorrect coolant mixture for workpiece/cut.
Blade wears on
1. Blade guides worn or mis-adjusted.
one side or shows
2. Blade not supported.
overheating.
3. Dull/incorrect blade.
4. Incorrect coolant mixture for workpiece/cut.
5. Blade is bell-mouthed.
Blade tracks
1. Feed rate too fast/wrong TPI.
incorrectly, or
comes off wheels.
2. Blade tension/tracking requires adjustment.
3. Blade guides need adjustment.
4. Blade bell-mouthed.
Cuts are crooked.
1. Feed rate too fast; blade speed too low.
2. Blade not supported.
3. Carbide blade guides/roller bearings out of
adjustment.
Blade keeps moving
1. Lower limit switch not engaged/at fault.
or headstock not
raising after cut.
Headstock not
1. Upper limit switch not engaged/at fault.
raising to desired
height.
-52-
Possible Solution
1. Tension blade (Page 30); replace blade (Page 28).
2. Check/replace wheel bearing.
3. Replace blade (Page 28).
4. Inspect/re-tighten component(s).
5. Replace wheels; adjust blade tracking (Page 54).
6. Check/replace wheel/wheel bearing.
7. Rebuild gearbox; replace bad gear(s)/bearing(s).
1. Grind weld down flush with blade.
2. Cut and reweld blade, or replace blade (Page 28).
3. Inspect/replace blade (Page 28).
1. Reduce feed rate (Page 36); increase blade speed
(Page 32).
2. Tension/replace belt (Page 49).
3. Install blade with fewer TPI/different style of teeth
(Page 26).
4. Replace blade (Page 28).
5. Move left blade guide arm closer to workpiece;
adjust blade tracking (Page 54).
6. Verify blade has at least 3 teeth contacting material
at all times (Page 26).
7. Clean wheels; increase blade tension (Page 30).
8. Use applicable coolant/lubricant.
1. Adjust blade square to table (Page 58).
1. Replace blade (Page 28); complete blade break-in
procedure (Page 31).
2. Use blade with larger gullets.
3. Use coarser-tooth blade; adjust feed rate (Page 36);
adjust blade speed (Page 32); make sure blade
brush works (Page 55).
4. Use correct coolant mixture.
1. Re-adjust/replace.
2. Move left blade guide arm closer to workpiece.
3. Replace blade (Page 28).
4. Use correct coolant mixture.
5. Replace blade (Page 28).
1. Reduce feed rate (Page 36)/decrease blade TPI
(Page 26).
2. Adjust blade tracking (Page 54), tension (Page 30).
3. Adjust blade guides (Page 56).
4. Replace blade (Page 28).
1. Reduce feed rate (Page 36); increase blade speed
(Page 32).
2. Move left blade guide arm closer to workpiece.
3. Adjust carbide blade guides/roller bearings
(Page 56).
1. Adjust lower limit stop bolt; test/replace lower limit
switch if at fault (Page 54).
1. Adjust headstock height adjustment rod; test/
replace upper limit switch if at fault (Page 36).
Model G0886 (Mfd. Since 01/19)

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