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  1. #1
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    Join Date
    Aug 2012
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    12

    Sieg X3 - Erratic Spindle Speed

    My X3 has developed very erratic stop/start motion at low motor speed settings and has no power to do any work. Opinions - motor, control board or speed control potentiometer?

  2. #2
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    Join Date
    Aug 2005
    Posts
    865

    Re: Sieg X3 - Erratic Spindle Speed

    Hi,
    If it is DC motor with brushes, check the condition of the brushes by removing them and have a look. They may be worn or dirty.

    Cheers

    Peter


    Sent from my iPhone using Tapatalk Pro
    -------------------------------------------------
    Homann Designs - http://www.homanndesigns.com/store

  3. #3
    Member
    Join Date
    Nov 2005
    Posts
    164

    Re: Sieg X3 - Erratic Spindle Speed

    You may find some useful info at the link below on the trouble shooting page. Although checking the motor brushes as phomann said is the first thing I would do.

    www.olduhfguy.com

  4. #4
    Registered
    Join Date
    May 2015
    Posts
    333

    Re: Sieg X3 - Erratic Spindle Speed

    I've had this problem with a SX3. unplugging connectors and wiping down with Innox fixed mine.
    Rod Webster
    www.vehiclemods.net.au

  5. #5
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    Join Date
    Aug 2012
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    12

    Re: Sieg X3 - Erratic Spindle Speed

    Thanks all for your replies. I have checked the brushes and they seemed fine but the commutator looks a bit ordinary. Its like the machine has a broken wire or similar with stop-start-stop-start action and it seemed to happen all of a sudden. I guess I'll check the connections and pull the motor and get a little more serious. I have a bit on my plate at the moment and was just trying to 'short circuit' the repair as its annoying not having the drill for quick little jobs. Thanks again.

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