Killed motor on Craftsman 21706 Jointer?? Any Help

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  • NJFrank
    Established Member
    • Jun 2003
    • 101
    • NJ, USA.

    #1

    Killed motor on Craftsman 21706 Jointer?? Any Help

    Just when finishing edge jointing a bunch of boards the motor died. Checked the belt it's attached, took the back off and can rotate the drive pully to the cutter head.

    When I press the on button it's makes a grrrrrrrrr sound, and doesn't turn. I'm going to pull the motor, does anyone have suggestions on what to look for?? It sounds like it's stuck, if that makes sense.

    Thanks
    Last edited by NJFrank; 05-21-2007, 05:07 PM.
  • eezlock
    Senior Member
    • Feb 2006
    • 997
    • Charlotte,N.C.
    • BT3100

    #2
    jointer problems

    Might want to check the motor brushes, bearings, electrical contact switch
    inside...these are the most common problem areas in most electric motors.
    If you can't find the problem...a good motor repair shop should be able to
    diagnose and fix it cheaper than buying a new replacement motor. eezlock

    Comment

    • LCHIEN
      Super Moderator
      • Dec 2002
      • 21971
      • Katy, TX, USA.
      • BT3000 vintage 1999

      #3
      Originally posted by NJFrank
      Just when finishing edge jointing a bunch of boards the motor died. Checked the belt it's attached, took the back off and can rotate the drive pully to the cutter head.

      When I press the on button it's makes a grrrrrrrrr sound, and doesn't turn. I'm going to pull the motor, does anyone have suggestions on what to look for?? It sounds like it's stuck, if that makes sense.

      Thanks
      Did it die while running or did it just not start one time when it was off before?

      One possibility is that the starting capacitor or the centrifugal switch died.
      That's consistent with the motor just not starting one time (as opposed to dying while running) and making a GRRR noise but not starting.
      Start it and give the pulley a spin being careful not to catch any fingers anywhere) and see if it runs. If it does then the starting cap or centrifugal switch is bad and should be a moderately easy fix for a DIYer.
      Loring in Katy, TX USA
      If your only tool is a hammer, you tend to treat all problems as if they were nails.
      BT3 FAQ - https://www.sawdustzone.org/forum/di...sked-questions

      Comment

      • NJFrank
        Established Member
        • Jun 2003
        • 101
        • NJ, USA.

        #4
        Thanks EEz and Loring,

        I'll try giving the pulley a spin to see if it catches, if that doesn't work I'll take the motor out and see if I can open it and look for anything obvious.

        Thanks again

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