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  • Hot motor

    The motor onmy old Delta variable speed saw (540-40) is getting hot after just a few minutes of run time. Just relaced the on/off switch, cleanded and oiled everything. I did also replace the back connecter piece as it had worn to much to use blades without cutting them 1/2" shorter. Thanks for any help figuring out Why it is getting hot.

  • #2
    Does it turn freely? if the bearings have dried out it will put an extra load on the motor.
    Rolf
    RBI G4 Hawk, Delta SS350, Nova 1624 DVR XP
    Philosophy "I don't know that I can't, therefore I can"
    Proud Member of the Long Island Woodworkers Club
    And the Long Island Scrollsaw Association

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    • #3
      You mention that the back connector piece being worn, Along with Rolf's suggestion of bearing issues, I would check out all moving parts between the motor and the actual blade holders. It sounds like you may have other warn parts that are causing the linkage to bind.
      cwmagee
      aka Fibber
      Producer of fancy firewood​

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      • #4
        With the link worn it must have been making one heck of a racket.
        Rolf
        RBI G4 Hawk, Delta SS350, Nova 1624 DVR XP
        Philosophy "I don't know that I can't, therefore I can"
        Proud Member of the Long Island Woodworkers Club
        And the Long Island Scrollsaw Association

        Comment


        • #5
          If you fix all the mechanical problems that generate heat then the last choice is that one or more of the motor winding's are shorted together.

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