Jet HVBS-712V, Operating Instructions And Parts Manual

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Symptom Possible Cause Correction
Cuts not square (cont.) Blade is worn, cutting crooked. Replace blade.
Feed pressure too great. Reduce feed pressure.
Blade guides incorrectly set. Readjust guide assemblies.
Incorrect blade toothing in relation to
workpiece. Check Machinery’s Handbook for
recommended blade type.
Miter cuts not accurate. Improper setting of vise jaws. Use adjustable square or protractor to
verify angle settings.
Blade worn; cutting crooked. Replace blade.
Premature dulling of
blade teeth Improper blade break-in. Follow proper break-in procedure.
Excessive blade speed, blade teeth
overheating. Decrease speed.
Inadequate feed rate. Adjust cylinder dial setting as needed.
Improper tooth pitch for material. Use proper blade.
Hard spots or scale on material. Scale: reduce speed and increase feed
rate. Hard Spots: increase feed rate.
Work hardening of material (especially
stainless steel). Increase feed rate.
Blade installed backwards. Remove blade and twist inside-out.
Insufficient blade tension. Adjust as needed.
Finished surface of
workpiece is rough,
unsatisfactory. Improper blade break-in. Follow proper break-in procedure.
Improper speed or feed rate. Adjust as needed.
Dull or damaged teeth. Replace blade.
Poor weld on blade. Replace or re-weld blade.
Incorrect choice of blade. Check a machinist’s handbook for blade
recommendations.
Excessive blade
breakage. Incorrect blade tension. Adjust accordingly.
Incorrect blade speed or downfeed
rate. Adjust accordingly.
Workpiece loose in vise. Clamp workpiece securely.
Blade rubs on wheel shoulder. Adjust blade tracking.
Teeth too coarse for material. Use appropriate blade for material.
Teeth in contact with workpiece
before saw is started. Blade must be running before contact with
workpiece.
Blade guides misaligned. Adjust blade guides.
Blade too thick for wheel diameter. Use thinner blade.
Cracking at weld; poor annealing of
blade. Replace blade.
12.0 Replacement Parts
Replacement parts are listed on the following pages. To order parts or reach our service department, call 1-800-
274-6848 Monday through Friday, 8:00 a.m. to 5:00 p.m. CST. Having the Model Number and Serial Number of
your machine available when you call will allow us to serve you quickly and accurately.
Some parts are shown for reference only, and may not be available individually.
Non-proprietary parts, such as fasteners, can usually be found at local hardware stores, or may be ordered
from JET.