How to disassemble a three jaw lathe chuck

Written by ezekiel james
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How to disassemble a three jaw lathe chuck
Disassembling your three-jaw lathe chuck means removing it from the lathe shaft. (George Marks/Retrofile/Getty Images)

The chuck on your lathe machine is a mechanical fastening device. It allows you to secure an object firmly in place as you fabricate lathe designs on the object. Many industrial or commercial-grade lathe machines use a three-jaw chuck. It's important to regularly clean and lubricate the lathe, as it is made of moving mechanical parts. This involves removing the chuck from the lathe machine, and partially taking it apart.

Skill level:

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Things you need

  • Allen wrench
  • Hex wrench

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  1. 1

    Disconnect your lathe's power cord, and allow 30 minutes for it to cool down. Remove any wood or objects from the lathe machine.

  2. 2

    Insert the Allen or hex wrench that came with the lathe into the 3-jaw chuck. Loosen and remove all Allen or hex screws fastening the chuck to the lathe.

  3. 3

    Determine if your lathe's chuck has a spindle lock. This is a small button or latch that keeps the lathe's spindle from rotating while you remove the chuck. If so, engage the spindle lock. If not, hold the spindle's handle wheel with one hand, and with your free hand twist the chuck assembly in the counterclockwise direction until the chuck comes loose from the spindle.

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