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  • need help

    my dewalt is blowing fuse's any idea's tks jim
    http://www.picturetrail.com/uid3726744

  • #2
    The only time I ever blew a fuse on mine was one time I turned on the power without a blade on the saw , and the arm bounced up and it blew the fuse. Other then that It hasnt happened. Check the wire connections at the switch first I would think. Otherwise, Im sorry, I cant help ya more. Dale
    Dale w/ yella saws

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    • #3
      Is it blowing fuses immediately after turning it on or can you run it for a while before it blows?

      If it blows immediately there's probably a short somewhere. I would start by plugging something else into the outlet to be sure that isn't the problem. Then give the cord a close look. Any frayed insulation, crimping or bare wire? If the outlet and cord check out you'll probably need an electrician or someone who can fix electrical tools with the proper test equipment to check out the insides of the saw.

      If it blows after running for a while something is probably getting very hot. Next time a fuse blows VERY gingerly place your hand near (you don't need to touch) the outlet, the length of the cord, and along the saw, especially near the motor and saw linkage. One possibility is that something is binding. There may be more than one hot spot. The one furthest from the outlet is probably the culprit.

      I assume that the saw was working ok at one time. Try to remember any changes, problems, fixes, etc. that you encountered between the time the saw was working and when it started blowing fuses. That would be a good place to start troubleshooting.

      Hope this is helpful.

      Dan

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      • #4
        jimp11;
        You didn't mention here like you did in the other site where you posted the question that there was some chipping out of the brushes which could be an indication of a shorted or arcing armature in the motor.
        Let us know when you find the real cause of the fuses blowing..
        W.Y.
        http://www.picturetrail.com/willyswoodcrafting

        The task ahead of us is never as great as the power behind us

        Delta P-20 Scroll Saw, 14" x 43" Craftex Wood Lathe and Jet 10" Mini Lathe .

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        • #5
          Hi guys what I did do is I changed out let's I use a powerbar on the saw for the light changeds to a clean line from a heavy used line the wife was useing the washer and the power was blinking on starting so I changed outlets then it happend after 4 hours work so there is a good place to start . the saw has been pluged in the loaded line for 4 years. go figureths jim
          http://www.picturetrail.com/uid3726744

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          • #6
            Blowing fuses

            Jim...I once blew a fuse on my dewalt by starting the saw while the blade was bound in the wood. I knew why the fuse blew so I replaced it. It blew again. After replacing the fuse three times I discovered I was using 3 amp, 24 volt, automotive fuses. I bought a pack of 230 volt, 3 amp, fuses and used one of them. I would not have thought it would have made a difference but it did. Check the voltage rating on your fuses. I don't think the 24 volt fuses can handle the inrush current when the motor starts up. I don't know why changing outlets would cause the fuse to blow unless there is a problem with the wiring in the outlet itself.
            If it don't fit, don't force it....get a bigger hammer!!

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            • #7
              Originally posted by Neal Moore
              Jim...I once blew a fuse on my dewalt by starting the saw while the blade was bound in the wood. I knew why the fuse blew so I replaced it. It blew again. After replacing the fuse three times I discovered I was using 3 amp, 24 volt, automotive fuses. I bought a pack of 230 volt, 3 amp, fuses and used one of them. I would not have thought it would have made a difference but it did. Check the voltage rating on your fuses. I don't think the 24 volt fuses can handle the inrush current when the motor starts up. I don't know why changing outlets would cause the fuse to blow unless there is a problem with the wiring in the outlet itself.
              I thought that fuse was 110?

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              • #8
                Most common household fuses are rated at 230 volts as opposed to 24 volts for automotive purposes. I suppose the reasoning is they can be used in 110 volt or 230 volt applications.
                If it don't fit, don't force it....get a bigger hammer!!

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                • #9
                  HI guys my saw had 250 volt 3 amp fast acting Icleaned it up put 250 volt 2amp time dalay ran it for 3 hours no shut downs keeping the fingers crossed. thank's for the help. jim
                  http://www.picturetrail.com/uid3726744

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                  • #10
                    I'm happy everything worked out for ya!!!
                    If it don't fit, don't force it....get a bigger hammer!!

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