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Mini Digger Hydraulics Trouble

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  • 06-01-2015 3:36pm
    #1
    pnm
    Registered Users Posts: 9 ✭


    Hi,

    Iv a 3T mini digger that is giving trouble .

    The problem was on it when I bought it, but is getting worst.

    I can be working the digger away grand, everything working, when all of a sudden both joysticks stop working, and in order to get them goin again, I need to move the right track lever a little. Just a little touch does it, and then the joysticks start goin again for another while, and will then stop again until I move the right track lever again, and so on.


    Any Ideas?
    Tagged:


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    #2
    quietsailor
    Registered Users Posts: 1,428 ✭✭✭quietsailor


    Are the joysticks electric/electronic? - if they are could there be a cable loosely plugged in under the joysticks - moving the track lever could push the wire and thus the cable plug back into contact. THe machine moving then vibrates it out after a few minutes and you need to mover the track lever to push it back in contact


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    #3
    Slideways
    Registered Users Posts: 1,996 ✭✭✭Slideways


    The problem is the pump isn't loading until you engage the tracks.

    What make of digger is it?

    Join the heavyequipmentforum.com and one of the guys there will help you out


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    #4
    Kevhog1988
    Registered Users Posts: 3,968 ✭✭✭Kevhog1988


    Had same issue on our bobcat 320 a few months ago.

    You know the lever that has to be down to let you work the machine? I call it a deadman... Well this is faulty... It can be bypassed but renewing the seitch is a better option


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    #5
    Hilux2005
    Registered Users Posts: 137 ✭✭Hilux2005


    had a similar issue with a Takuchi a while back turned out to be a sticking solenoid on the hydraulic pump


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    #6
    pnm
    Registered Users Posts: 9 ✭pnm


    theemigrant wrote: »
    Had same issue on our bobcat 320 a few months ago.

    You know the lever that has to be down to let you work the machine? I call it a deadman... Well this is faulty... It can be bypassed but renewing the seitch is a better option



    well, if it was the deadman - surely i would not be able to move the tracks or anything at all.

    its only the joysticks that stop - until i move the tracks.

    the tracks will never non-function if i pull the leaver, unless the deadman is activated


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    #7
    pnm
    Registered Users Posts: 9 ✭pnm


    Slideways wrote: »
    The problem is the pump isn't loading until you engage the tracks.

    What make of digger is it?



    that sounds about right.

    its an old mitsubishi digger - 1987!.


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    #8
    pnm
    Registered Users Posts: 9 ✭pnm


    quietsailor wrote: »
    Are the joysticks electric/electronic? - if they are could there be a cable loosely plugged in under the joysticks - moving the track lever could push the wire and thus the cable plug back into contact. THe machine moving then vibrates it out after a few minutes and you need to mover the track lever to push it back in contact

    no,im fairly sure its a hydraulic problem - . happens too uniformly to be a loose wire


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    #9
    tomwaterford
    Closed Accounts Posts: 16,768 ✭✭✭✭tomwaterford


    have you not tried changing your filters etc first


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