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Troubleshooting Guide:
Problem
Possible Cause and Solution
Excessive vibration.
Out of balance, or large work piece. Reduce the lathe speed to the
lowest speed possible and turn the work piece to a true circle.
Work piece is not held in the center. Check work piece mounting and
correct.
Work piece is not secure or held tight enough. Check work piece
mounting and correct.
Lathe incorrectly bolted to stand or bench. Refer to this manual for
Lathe Stand recommendations.
Stand or bench not well constructed, too light or standing incorrectly on
the floor. Make sure the stand is solidly constructed with leveling
screws or feet.
Over tensioning of belt is a primary cause of vibration. The Drive Belt is
running badly, over tensioned, or damaged. Apply a spray-on belt
dressing on the belt grooves, readjust belt tension, or replace the belt.
Motor Pulley is not in correct alignment with the Headstock Pulley.
Loosen the Motor Pulley grub screw and align the pulleys. Ensure
Motor Pulley grub screw is tight once in position.
Headstock Pulley or Motor Pulley is loose. Check that the pulley set
screws are tight.
The Headstock Belt Guard is loose or rattling. Check that the Belt
Guard Lock is tight.
Ensure motor adjustment locknut and M5 lock nut are tight.
Motor vibrates. Many single-phase motors produce minor noise or
vibrations and usually cannot be altered. Sometimes new brushes take
time to wear in and a reduction in noise can be noticed after a few
hours of running.
Faceplate or chuck
running out of true:
Dirt build-up on the rear of the Faceplates or Chucks. Clean off all
build-up and dirt. Faceplates and Chucks must mount securely against
the inner bearing ring surface of the spindle.
Turning tools not
sliding smoothly
across Tool rest:
Damaged surface on Tool rest Face caused by sharp edged tools. File
the Tool Rest using a fine tooth file and polish with extra fine
sandpaper. Also remove the sharp edges from the corners of the
turning tools.
Spur drive center or
live center not holding
into the spindle taper
or quill taper when
turning:
Small end of the Morse taper is damaged due to dropping or hitting. File
or polish away any damage. Check that inside of tapers have not been
scored.
Grease or oil inside of the Morse Tapers. Wipe clean the inside of the
Tapers.
Insufficient pressure when installing the center. Use a quick, firm action
by hand, to install a taper. Do not tap in using any solid object.
