Troubleshooting - Delta 28-150 Instruction Manual

TROUBLESHOOTING GUIDE
in spite of how well a band saw is maintained, problems can occur. The following troubleshooting
guide will help you solve the more common problems:
Trouble: SAW WILL NOT START.
Probable Cause
1. Saw not plugged in.
2. Fuse blown or circuit breaker tripped.
3. Cord damaged.
Remedy
1. Plug in saw.
2. Replace fuse or reset circuit breaker.
3. Have cord replaced.
Trouble: BREAKER KICKS OUT FREQUENTLY.
Probable Cause
1. Extension cord too light or too long.
2. Feeding stock too fast.
3. Blade in poor condition (dull, warped, gummed).
4. Low voltage supply.
Remedy
1. Replace with adequate size cord.
2. Feed stock more slowly.
3. Clean or replace blade.
4. Contact your electric company.
Trouble: BAND SAW VIBRATES EXCESSIVELY.
Probable Cause
1. Machine not mounted securely to workbench.
2. Bench on uneven floor.
3. irregular belt.
4. Belt not tensioned correctly.
5. Motor not fastened securely.
Remed_
1. Tighten all mounting hardware.
2. Reposition on flat level surface.
3. Replace belt.
4. Adjust belt tension by moving motor.
5. Tighten all mounting hardware.
Trouble: BAND SAW DOES NOT COME UP TO SPEED.
Probable Cause
1. Extension cord too light or too long.
2. Low supply voltage.
Remedy
1. Replace with adequate size cord.
2. Contact your electric company.
Trouble: BLADES BREAK.
Probable Cause
1. Blade not tensioned properly.
2. Blade guides improperly adjusted.
3. Blade support bearing improperly adjusted.
4. Blade wheel tracking adjustment improperly set.
5. Bad weld on blade.
6. Worn tires.
7. Forcing wide blade around short radius.
8. Dull blade or insufficient set.
9. Upper blade guide set too high.
10. Continuous running of machine when not actually
cutting.
Remed_
1. Adjust blade tension.
2. Check and adjust blade guides.
3. Adjust blade support bearing.
4. Check and adjust blade tracking.
5. Replace the blade.
6. Replace tires.
7. Change to a narrower blade.
8. Replace blade.
9. Set upper blade guide as close as possible to
work.
10. Turn off machine when not performing cutting
operation.
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