Wood Lathe Operation - Grizzly G0766 Owner's Manual

Wood Lathe Operation

Symptom Possible Cause
Bad surface finish. 1. Spindle speed is wrong.
2. Dull tooling or wrong tool selection.
3. Tool height is not at spindle centerline.
4. Belts are bad.
Excessive vibration 1. Workpiece is mounted incorrectly.
upon startup
(when workpiece is
2. Workpiece is hitting stationary object.
installed).
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.
Chisels grab or dig 1. Wrong chisel/tool is being used.
into workpiece.
2. Chisel/tool is dull.
3. Tool rest is set too low.
4. Tool rest is set too far from workpiece.
Tailstock moves 1. Tailstock mounting bolt is loose.
under load.
2. Bed surface is oily or greasy.
Spindle lacks 1. Belt is slipping.
turning power or
starts up slowly.
Quill will not move 1. Keyway is not aligned with quill lock lever.
forward when
handwheel is turned
Model G0766 (Mfd. Since 11/17)
Possible Solution
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
centerline.
4. Replace belts.
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.
10. Replace spindle bearings.
1. Use correct chisel/tool.
2. Sharpen or replace chisel/tool.
3. Set tool rest higher.
4. Move tool rest closer to workpiece.
1. Tighten mounting bolt.
2. Clean bed surface to remove excess oil/grease.
1. Tighten/Adjust belt.
1. Align quill keyway and quill lock lever and slightly
tighten lever to engage keyway.
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