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Thread: Kato GS-4 BNSF 4449 Lights Only

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    Default Kato GS-4 BNSF 4449 Lights Only

    Just bought this model today new from a hobby shop. The lights work but the loco won't move. I'm familiar with diesel locos having this same problem and the usual fix but this is my first venture into steam. I was thinking a possible contact connection problem so I dismantled the tender and everything looks good. Any ideas of possible causes?

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    loco has DCC installed?

    unusual otherwise...

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    DC only. I verified when I removed the tender shell.

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    Bnsf?!?!

    BNSF4449.jpg

    Metro Red Ln (Metro Red Line)
    Under the streets of Los Angeles

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    Motor current comes out of the tender PC board (the lights are controlled by an independent PC board on top of the engine chassis). Sounds like the problem lies somewhere between the motor and the tender PC board.

    -Mark

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    Quote Originally Posted by MetroRedLn View Post
    Bnsf?!?!


    -Mark

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    Quote Originally Posted by Spookshow View Post
    Motor current comes out of the tender PC board (the lights are controlled by an independent PC board on top of the engine chassis). Sounds like the problem lies somewhere between the motor and the tender PC board.

    -Mark
    I agree Mark. As a novice with steamers, I'm not sure how to go about troubleshooting this problem any further. I took the loco cab and shell off (thanks for your site's excellent info) and then the tender. I couldn't see any connection problems.

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    Another option is save the receipt and contact the hobby shop.

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    I would use a voltmeter to check current conductivity starting at the PC board in the tender and then on up to the drawbar wires and finally the motor.

    Have you tried contacting Kato? They're usually pretty helpful when it comes to trouble-shooting (or, they may just offer to fix it for you).

    -Mark

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    I had this problem. More than likely it's the electrical jumpers in the tender. Can you post a picture of the tender chassis with the shell taken off.

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    I would be looking for a bad connection at the draw bar , and then the connection, in the tender to make sure the small l shaped contacts has not become disconnected.
    If you have no steam experience, you might want to return to the place where you bought it, before you tear into it!
    BTW the black, orange and red locomotive is the Southern Pacific 4449!

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    So is the number 4449 on the BNSF.

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    strange how memory works.

    I know the light board rides on the top of the engine frames

    so I was remembering it wrong that the board was powered through the tender.

    yeah. the drawbar is quite likely to be the problem.
    It has four contact wires in it. the top two supply power to the motor.

    I you find it a struggle to get the top drawbar wires to function,
    you can add wires from the engine chassis to the motor sub-frames.
    this makes adding DCC problematic, should you want that option a-la Kato.

    victor
    Last edited by victor miranda; 18th Jun 2019 at 05:27 PM. Reason: typo

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    Quote Originally Posted by nicki6 View Post
    So is the number 4449 on the BNSF.
    there is but only one GS-4 locomotive, and it is the Southern Pacific 4449 from up in Portland.

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    Quote Originally Posted by woodone View Post
    there is but only one GS-4 locomotive, and it is the Southern Pacific 4449 from up in Portland.
    In 2000, the Daylight was repainted black and silver for a Burlington Northern Santa Fe employee appreciation special. It was to celebrate the BNSF freight railroad and to commemorate the days of the 4449 and other GS locomotives assigned to freight, helper, or local passenger trains. This train excursion went through Seattle, Washington and then east into Montana before heading back to her home in Portland, Oregon.

    -Mark

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    Having had mine apart for a similar issue...
    the drivers under certain circumstances can lock up. I freed mine by applying power and moving it back and forth by hand.

    You can test the motor with the boiler off and a multimeter but you have to have the weight on the tender to hold the L shape tabs in place to transfer power.
    SP & 53
    Daylight and Overnight

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