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CUTTING CURVES
When cutting curves, turn the stock
carefully so that the blade follows without
twisting. If a curve is so abrupt that it is
necessary to repeatedly back up and cut
a new kerf, then a narrower blade, a blade
with more set, or additional relief cuts Fig.
54 may be necessary to allow the blade to
cut more efficiently. The more set a blade
has, the easier it will allow the stock to be
turned, but the cut is usually rougher.
When withdrawing the piece being cut,
changing the cut, or for any other reason,
be careful not to accidentally draw the
blade off the wheels. In most cases, it is easier and safer to turn the stock and saw out through the waste material,
rather than try to withdraw the stock from the blade.
Before starting the machine, ensure that all adjustments are properly made and the guards are in place. Turn the
upper wheel by hand to make sure that everything is correct BEFORE turning on the power.
Keep the top blade guide (and guard) within 1/8" of the work piece at all times. Do not force the
material against the blade. Light pressure on the work piece will produce a smoother cut, and prevent excess
friction and heating of the blade.
KEEP THE SAW BLADE SHARP. Very little forward pressure is required for normal cutting. Keep the workpiece
moving at a slow and consistent rate against the blade to ensure a smooth and accurate cut.
Avoid twisting the blade, by trying not to turn sharp corners. Remember, you must saw around corners.
(continued on next page)
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. For assistance with your machine, visit our website 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).
Trouble: SAW WILL NOT START.
Probable Cause Remedy
1. Switch cord / motor cord not plugged in. 1. Plug in switch cord / motor cord.
2. Fuse blown or motor reset tripped. 2. Replace fuse or push motor reset button.
3. Cord damaged. 3. Have cord replaced.
Trouble: BREAKER OR MOTOR KICKS OUT FREQUENTLY.
Probable Cause Remedy
1. Extension cord too light or too long. 1. Replace with adequate size cord.
2. Feeding stock too fast. 2. Feed stock more slowly.
3. Blade in poor condition (dull, warped, gummed). 3. Clean or replace blade.
4. Low voltage supply. 4. Contact an electrician.
Trouble: BAND SAW VIBRATES EXCESSIVELY.
Probable Cause Remedy
1. Machine not mounted securely to stand. 1. Tighten all mounting hardware.
2. Stand on uneven surface. 2. Reposition on flat level surface.
3. Worn belt. 3. Replace belt.
4. Pulley not aligned. 4. Adjust motor pulley.
5. Motor not fastened securely. 5. Tighten all mounting hardware.
Fig. 54
TROUBLESHOOTING GUIDE
MACHINE USE