-31-
W1758 Owner's Manual (Mfg. Since 4/10)
PA
RT
S
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
Bad surface finish.
1. Wrong spindle speed.
2. Dull chisel or wrong chisel being
used for operation.
1. Use trail-and-error to find better spindle speed.
2. Sharpen chisel or try a different chisel.
Tailstock moves.
1. Tailstock mounting bolt loose.
2. Bed surface is oily or greasy.
1. Tighten.
2. Clean bed surface to remove excess oil/grease.
Excessive vibration.
1. Workpiece mounted incorrectly.
2. Workpiece warped, out of round,
or is flawed.
3. Spindle speed is set too fast for
mounted workpiece.
4. Lathe is resting on uneven surface.
5. Motor mounting bolts are loose.
6. V-belt is worn or damaged.
7. Spindle bearing(s) are worn.
1. Re-mount workpiece, making sure centers are
aligned and are fully embedded in true center of
workpiece.
2. Cut workpiece to correct, or use a different
workpiece.
3. Reduce spindle speed.
4. Shim legs or adjust machine feet to ensure lathe is
even and stable on the floor.
5. Tighten motor mounting bolts.
6. Replace V-belt (refer to
Page 28
).
7. Replace spindle bearing(s).
Chisels grab or dig into
workpiece.
1. Tool rest adjusted too low.
2. Tool rest set too far from
workpiece.
3. Wrong chisel/tool being used.
4. Chisel/tool is dull.
1. Adjust tool rest higher (refer to
Page 23
).
2. Move tool rest closer to workpiece (refer to
Page
23
).
3. Use correct chisel/tool; educate yourself by read-
ing books, trade magazines, or seeking help from
an experienced lathe operator.
4. Sharpen or replace chisel/tool being used.
Inaccurate turning results
from one end of the
workpiece to the other.
1. Headstock and tailstock are not
properly aligned with one another.
1. Re-align headstock and tailstock to one another
(refer to
Page 28
).
Cannot remove tapered
tool from tailstock barrel.
1. Tailstock quill not fully retracted
into tailstock.
2. Debris or oily substance not
removed from quill and tapered
tool mating surfaces before
installing.
1. Turn quill handwheel until it forces tapered tool
out of quill.
2. Always make sure the mating surfaces of the quill
and tapered tool are free from debris and oily sub-
stances.
Lathe Operation
