Troubleshooting - Jet HBS-814GH Operating Instructions And Parts Manual

Troubleshooting

Trouble
Motor will not start.
Overload trips
frequently.
Band Saw vibrates
excessively.
Miter cuts not
accurate.
Cuts not square.
Finished surface of
workpiece is rough,
unsatisfactory.
Probable Cause
No incoming power.
Blown electrical panel fuses.
Thermal overload has tripped.
Defective motor, switch, power cable,
or plug.
Motor is overheating.
Downfeed rate too fast.
Motor is faulty.
Base on uneven surface.
Saw blade has cracks.
Too heavy a cut.
Setting of the miter stops is not
correct.
Blade is worn, cutting crooked.
Feed pressure too great.
90° angle stop is not set correctly.
Incorrect blade toothing in relation to
workpiece.
Blade is worn, cutting crooked.
Incorrect adjustment of bearing
guides and guide assembly.
Workpiece incorrectly positioned in
vise.
Poor blade tension.
Blade is dull.
Improper blade for cutting operation.
Downfeed rate too fast.
Blade tension too low.
Remedy
Check plug connection.
Replace fuses.
Wait several minutes for overload to
reset itself.
Qualified electrician/service personnel
should inspect these items.
Check that motor air intakes are clear.
Reduce downfeed rate.
Motor should be inspected by
qualified electrician/service personnel.
Adjust base for even support.
Replace blade immediately.
Reduce downfeed rate and blade
speed.
Loosen the screws and adjust the
stops to correct positions. Use an
adjustable square or protractor to
check angle settings.
Replace blade.
Decrease feed pressure.
Adjust stop until blade is square with
vise.
Check Machinist's Handbook for
recommended blade type.
Replace blade.
Re-adjust these. See page 14.
Check positioning and clamping in the
vise.
Check and correct if needed.
Replace blade.
Check Machinist's Handbook for
blade recommendations.
Reduce downfeed rate.
Increase blade tension.
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