Delta BS150LS Instruction Manual page 20

Forassistance w ithyourmachine, visitourwebsite at
www.deltamachinery.com for a list of service centers or call
the DELTA Machinery help line at 1-800-223-7278 (In Canada call 1-800-463-3582).
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 an electrician.
Trouble: BAND SAW VIBRATES EXCESSIVELY.
Probable Cause
1. Machine not mounted securely to stand.
2. Stand on uneven surface.
3. Worn belt.
4. Pulley not aligned.
5. Motor not fastened securely.
Remedy
1. Tighten all mounting hardware.
2. Reposition on flat level surface.
3. Replace belt.
4. Adjust pulleys.
5. Tighten all mounting hardware.
Trouble: BAND SAW DOES NOT COME UP TO SPEED.
Probable Cause
1. Low voltage due to improper extension cord size.
2. Low voltage.
Remedy
1. Replace with adecjuate size cord.
2. Contact an electrician.
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.
Remedy
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 within 1/8" of workpiece.
10. Turn off machine when not performing cutting
operation.
(continued on next page)
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