SYMPTOM |
| POSSIBLE CAUSE |
| CORRECTIVE ACTION |
Vibration noise | 1. | Dented fan cover on motor. | 1. | Replace or adjust fan cover. Inspect motor fan and |
while machine |
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| replace if damaged. |
is running; noise |
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remains constant |
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when speed is |
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changed. |
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Excessive vibration. | 1. | Workpiece mounted incorrectly. | 1. | |
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| embedded in true center of workpiece. |
| 2. | Workpiece warped, out of round, or is | 2. | Cut workpiece to correct, or use a different |
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| flawed. |
| workpiece. |
| 3. | Spindle speed is set too fast for mounted | 3. | Reduce the spindle speed. |
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| workpiece. |
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| 4. | Lathe is resting on an uneven surface. | 4. | Shim or adjust feet to remove any wobbles. |
| 5. | Motor mount bolts are loose. | 5. | Tighten motor mount bolts. |
| 6. | Belt is worn or damaged. | 6. | Replace belt. |
| 7. | Spindle bearings are worn. | 7. | Replace spindle bearings. |
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Chisels grab or dig | 1. | Tool rest set too low. | 1. | Set tool rest higher. See Page 18 for how to prop- |
into workpiece. |
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| erly set the tool rest height. |
| 2. | Tool rest set too far from workpiece. | 2. | Move the tool rest closer to the workpiece. See |
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| Page 18 for the proper workpiece/tool rest clear- |
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| ance. |
| 3. | Wrong chisel/tool being used. | 3. | Use the correct chisel/tool; educate yourself by |
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| reading books, trade magazines, or seeking help |
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| from an experienced lathe operator. |
| 4. | Chisel/tool dull. | 4. | Sharpen or replace the chisel/tool you are using. |
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Bad surface finish. | 1. | Wrong spindle speed. | 1. | Use |
| 2. | Dull chisel or wrong chisel being used for | 2. | Sharpen chisel or try a different chisel. |
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| the operation. |
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Tailstock moves. | 1. | Tailstock mounting bolt loose. | 1. | Tighten. |
| 2. | Too much clamping pressure applied by | 2. | Apply less clamping pressure with tailstock. |
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| tailstock. |
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| 3. | Bed surface is oily or greasy. | 3. | Clean bed surface to remove oil/grease. |
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Can't remove | 1. | Tailstock barrel had not retracted all the | 1. | Turn the barrel handwheel until it forces taper out of |
tapered tool from |
| way back into the tailstock. |
| barrel. |
tailstock barrel. | 2. | Debris was not removed from taper before | 2. | Always make sure that taper surfaces are clean. |
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| inserting into barrel. |
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G0624 10" Benchtop Lathe |
