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D5M 24-volt system

Discussion in 'Heavy Equipment' started by NShel, Jan 17, 2009.

  1. NShel

    NShel Junior Member
    Messages: 3

    The batteries went down on my D5M so I charged them with a trickle charger, started and ran the machine for about three hours.

    Two days later after extreme cold, the machine didn't have enough battery to start. I was just about to order two new batteries, but I noticed that the back battery's + terminal has almost completely melted. (They're not supposed to do that are they?) The machine has two 12-volt batteries connected in series. The + terminal on the back battery was connected to the - terminal on the front battery.

    Also, is there any way to jump a 24-volt system like this from a 12-volt truck?
  2. Snowaway

    Snowaway Senior Member
    Messages: 248

    That is the right way to make 24 volts. The only way I know of to jump it would be to disconect the batts. and charge them one at a time then reconect. Sorry I cant help you on the melt down but it could be a bad connection making heat.
  3. snow game

    snow game Senior Member
    from RI
    Messages: 255

    I Have only seen that happen on my Cat IT28 don't know what caused it though, let me know if you do find out