TROUBLE-SHOOTING (4224 Lathe)
PROBLEM | POSSIBLE CAUSE | SOLUTION | ||
Excessive vibration. | 1. Defective spindle bearings. | 1. | Replace bearings. | |
| 2. | Worm or defective belt. | 2. | Replace belt. |
| 3. | Defective motor. | 3. | Replace motor. |
| 4. | Workpiece warped, | 4. | Correct problem by planing |
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| has major flaw, or was improperly |
| or sawing, or scrap workpiece. |
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| prepared for turning. |
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Motor or spindle stalls. | 1. Excessive cut. | 1. | Reduce cut depth. | |
| 2. | Defective motor. | 2. | Replace motor. |
| 3. | Excessive belt wear. | 3. | Replace belt. |
| 4. | Improper belt adjustment. | 4. | Readjust belt. |
Motor overheats. | 1. Motor overloaded. | 1. | Correct overload condition, | |
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| such as reducing cut depth. |
| 2. | Improper cooling on motor. | 2. | Clean sawdust from fan and |
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| duct areas of motor. |
Motor starts slowly or | 1. Low voltage. | 1. | Request voltage check from | |
fails to come up to speed. |
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| power company and correct |
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| low voltage condition. |
| 2. | Defective motor. | 2. | Replace motor. |
Motor fails to develop full | 1. Power line overloaded. | 1. | Correct overload condition. | |
power. | 2. Undersize wires in supply system. | 2. | Increase supply wire size. | |
| 3. | Low voltage. | 3. | Request voltage check from |
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| power company and correct |
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| low voltage condition. |
| 4. | Defective motor. | 4. | Replace motor. |
Tools tend to grab or dig in. | 1. | Dull tools. |
| 2. | Tool support set too low. |
| 3. | Tool support set too far from workpiece. |
| 4. | Improper tool being used. |
1.Sharpen tools.
2.Reposition tool support height.
3.Reposition tool support closer to workpiece.
4.Use correct tool for operation.
Lathe runs at one speed.
1.Electronic AC inverter defective, not programmed properly or loose wiring.
1.Replace electronic AC inverter, reprogram, or check wiring.
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