-36-
Model W1836 (For Machines Mfd. Since 04/15)
SE
RV
IC
E
Operation and Work Results
Symptom
Possible Cause
Possible Solution
Bad surface finish.
1. Spindle speed is incorrect for workpiece
size/type.
2. Dull tooling or wrong tool selection.
3. Tool height is not at spindle centerline.
4. Belt is worn, damaged, or loose.
1. Adjust for appropriate spindle speed.
2. Sharpen tooling or select a better tool for intended
operation.
3. Adjust tool rest so tool is even with spindle center-
line (
Page 22).
4. Inspect belt. Tighten or replace as necessary (
Page
34).
Excessive vibra-
tion upon startup
(when workpiece is
installed).
1. Workpiece is mounted incorrectly.
2. Workpiece is hitting stationary object.
3. Headstock, tailstock, or tool rest is not
securely clamped to lathe bed.
4. Workpiece is warped, out of round, or
flawed.
5. Spindle speed is set too fast for mounted
workpiece.
6. Belt pulleys are not properly aligned.
7. Lathe is resting on an uneven surface.
8. Motor mount bolts are loose.
9. Belt is worn or damaged.
10. Spindle bearings are worn.
1. Remount workpiece, making sure that centers are
embedded in true center of workpiece.
2. Stop lathe and fix interference problem.
3. Check clamp levers and tighten if necessary.
4. Cut workpiece to correct, or use a different
workpiece.
5. Reduce spindle speed.
6. Align belt pulleys.
7. Shim stand or adjust feet on stand to remove any
wobbling.
8. Tighten motor mount bolts.
9. Replace belt (
Page 34).
10. Replace spindle bearings.
Chisels grab or dig
into workpiece.
1. Wrong chisel/tool is being used.
2. Chisel/tool is dull.
3. Tool rest is set too low.
4. Tool rest is set too far from workpiece.
1. Use correct chisel/tool.
2. Sharpen or replace chisel/tool.
3. Set tool rest higher (
Page 22).
4. Move tool rest closer to workpiece (
Page 22).
Tailstock moves
under load.
1. Tailstock mounting bolt is loose.
2. Bed surface is too oily or greasy.
1. Tighten mounting bolt.
2. Clean bed surface to remove excess oil/grease.
Spindle lacks turn-
ing power or starts
up slowly.
1. Belt is slipping.
1. Tighten/Adjust belt (
Page 33).
Quill will not move
forward when
handwheel is turned
1. Keyway is not aligned with quill lock lever. 1. Align quill keyway and quill lock lever and slightly
tighten lever to engage keyway.
