Troubleshooting
Trouble Probable Cause Remedy
Motor fails to develop full power Power line overload Correct overload condition
Undersize wires in power supply Increase supply wire size
Worn motor Replace motor
Motor or spindle stalls or will not
start
Excessive cut Reduce depth of cut
Improper belt adjustment, or
worn or broken belt
Adjust or replace belt as needed
Improper cooling of motor Blow out sawdust from motor cooling
fan
Worn spindle bearings Replace bearings
Worn motor Replace motor
Excessive vibration Workpiece warped, out of
round, has major flaw, or was
improperly prepared for turning
Correct by planning or sawing
workpiece, or discard entirely and use
new workpiece
Worn spindle bearings Replace spindle bearings
Worn drive belt Replace motor
Motor mount lock handle is
Tighten lock handle
Lathe on uneven surface Adjust levelers
Tools tend to grab or dig in Dull tools Keep tools sharp
Tool support set too far from
workpiece
Reposition tool support height
Improper tool being used Use correct tool for operation being
performed
Tailstock moves when applying
pressure
Cam lock needs adjusting Tighten cam lock nut
Lathe bed and tailstock mating
surfaces are greasy or oily
Remove tailstock and clean surfaces
with a cleaner/degreaser. Re-apply
light coat of oil to lathe bed surface
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