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  • battery. dies every couple of weeks?

    The battery on my bobcat 225nt dies. What could it be. ive checked the cables. Their tight. What's the voltage need to be while running? 14v?
    .
    Miller Bobcat 225NT onan
    Millermatic 211
    Spoolmate 100
    (Retapped to fit regular mig tips)
    Work better & less parts to stock.
    Miller 130xp
    T/A Dragster 85 (portability 11 pounds)
    Oxygen/Acetylene torch set 50'
    2. 4-1/2" grinders
    1. 9" grinder
    14" Makita chop saw
    1/2" Aircat impact gun 900#

  • #2
    Load test your battery with a carbon pile. Put an ammeter, dc clamp-on, type to verify that your battery is being charged and check with the same ammeter that the battery is not being discharged in the off condition . Proceed from there.
    Meltedmetal
    Last edited by Meltedmetal; 11-21-2012, 06:50 PM. Reason: dyslexia

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    • #3
      That or your oil pressure switch is defective and keeping the circuit closed, thus draining your battery

      Comment


      • #4
        I got one draining, hadnt thought of that.

        Comment


        • #5
          Newer battery. But I'll. Check it.
          .
          Miller Bobcat 225NT onan
          Millermatic 211
          Spoolmate 100
          (Retapped to fit regular mig tips)
          Work better & less parts to stock.
          Miller 130xp
          T/A Dragster 85 (portability 11 pounds)
          Oxygen/Acetylene torch set 50'
          2. 4-1/2" grinders
          1. 9" grinder
          14" Makita chop saw
          1/2" Aircat impact gun 900#

          Comment


          • #6
            Is there a way to trouble shoot the pressure switch. Where's it located?
            .
            Miller Bobcat 225NT onan
            Millermatic 211
            Spoolmate 100
            (Retapped to fit regular mig tips)
            Work better & less parts to stock.
            Miller 130xp
            T/A Dragster 85 (portability 11 pounds)
            Oxygen/Acetylene torch set 50'
            2. 4-1/2" grinders
            1. 9" grinder
            14" Makita chop saw
            1/2" Aircat impact gun 900#

            Comment


            • #7
              Under the left side engine shroud, kinda under the coil

              Comment


              • #8
                Not having gone out and looked at mine (too cold) I would guess just disconnect the wires and use the continuity test on a multimeter and check for continuity if you do it is stuck on, if not its okay. That is just a guess, but that is the first thing I would try.

                Comment


                • #9
                  Ok thanks for the idea I'll try. That. I just been busy I get to it later or tomorrow. Thsnks.
                  .
                  Miller Bobcat 225NT onan
                  Millermatic 211
                  Spoolmate 100
                  (Retapped to fit regular mig tips)
                  Work better & less parts to stock.
                  Miller 130xp
                  T/A Dragster 85 (portability 11 pounds)
                  Oxygen/Acetylene torch set 50'
                  2. 4-1/2" grinders
                  1. 9" grinder
                  14" Makita chop saw
                  1/2" Aircat impact gun 900#

                  Comment


                  • #10
                    Originally posted by cruizer View Post
                    That or your oil pressure switch is defective and keeping the circuit closed, thus draining your battery
                    Short-cut from the voice of experience. I'm guessing that this is a common failure (Judging from the line-up with similar complaints.) and the suggestion is to swap it out. It's about 35$ for the kit at miller4less. If you really want to be sure that was it, check before and after for current drain when in the off position. Meltedmetal

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