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Troubleshooting
Trouble Probable Cause Remedy
Power line overloaded. Correct overload condition.
Undersize wires in power supply
system.
Increase supply wire size.
Faulty inverter. Contact WMH Technical Service.
Motor fails to develop
full power.
Worn motor. Replace motor.
Excessive cut. Reduce depth of cut.
Improper belt adjustment, or worn or
broken belt.
Adjust or replace belt as needed (see
pages 18-19).
Improper cooling of motor. Blow out sawdust from motor housing
fan.
Worn spindle bearings. Replace bearings.
Motor or spindle
stalls or will not start.
Worn motor. Replace motor.
Workpiece warped, out of round, has
major flaw, or was improperly
prepared for turning.
Correct problem by planing or sawing
workpiece, or discard entirely and use
new workpiece.
Worn spindle bearings. Replace spindle bearings.
Worn drive belt. Replace drive belt. See pages 18-19.
Motor mount lock handle is loose. Tighten lock handle (A, Figure 25).
Excessive vibration.
Lathe on uneven surface. Adjust levelers.
Potentiometer faulty. Replace potentiometer. Lathe runs at one
speed only.
Electronic AC inverter is not
programmed properly, or is defective,
or there is loose wiring.
Contact WMH Technical Service to
help identify problem; 800-274-6846.
Dull tools. Keep tools sharp (see page 21).
Tool support set too low. Reposition tool support height. See
page 23.
Tool support set too far from
workpiece.
Reposition tool support closer to
workpiece (page 23).
Tools tend to grab or
dig in.
Improper tool being used. Use correct tool for operation.
Headstock moves
when applying
pressure with
Tailstock.
Excessive pressure being applied by
tailstock (more than 500 lbs. of force).
Slide headstock to the left end, then
apply pressure to workpiece with
tailstock. Apply only sufficient force
with tailstock to hold workpiece
securely in place.
Cam lock nut needs adjusting. Tighten cam lock nut (Figure 15). Tailstock moves
when applying
pressure.
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.