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    Assistance with hitachi EX120-3

    Sorry, when I say top I actually mean the closest one to you when you open the cover.
  2. G

    Assistance with hitachi EX120-3

    I have the same machine, it's the one on the top that feeds the fuel from the tank.
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    Hitachi EX120-3 operators manual, anyone have?

    I have a technical and parts manual if that's any good.
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    Hitachi EX 100-3 jerky hydraulics

    Hello, I have a few manuals and have the same problem with my 120-3 although it's on a conversion kit, I will send you what I have.
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    Hitachi 120-2 questions and anwsers

    View of connection from kit to valve chest.
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    Hitachi 120-2 questions and anwsers

    Actually theres a picture on page 1 of this thread I uploaded that shows the connection, maybe you saw it. I'll take another tomorrow if it's not clear enough.
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    Hitachi 120-2 questions and anwsers

    I'll sort a picture for you in the morning
  8. G

    Hitachi 120-2 questions and anwsers

    Hello Mike, I can send you a picture of mine tomorrow if you want, it's a 120-3. Don't think it makes a difference. Post your email if you need it.
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    O-Rings and Seals

    I have a 120-3, it was leaking a bit from the swing relief valves. I noticed the right swing/left stop was kinda lazy also. I pulled the front valve and after many attempts with plumbers tape and general screwing around I eventually went an got a semi-correct o-ring fitted to it. Inspired with...
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    Hitachi Conversion Instructions??

    No problem, any time. I have the same kit, my only concern is that if something were to go wrong with the conversion I have no idea how to fault-find the problem. But I suppose that's why we are all here. :)
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    Hitachi Conversion Instructions??

    My 120-3 operates perfectly. However I don't have a frame of reference to how it operated before. I can safely say at 75% throttle it's as fast as a Takeuchi 8 tonne I operated recently. Tracking speed seems to be set at medium. Only thing I noticed is when boom up and dipper in is used fast...
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    Hitachi Conversion Instructions??

    I think I have fitting instructions on my PC, give me your email address I'll send them on.
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    Hitachi Conversion Instructions??

    There's a thread on here that was asking the same, there's also a basic instruction sheet floating around in one of the other threads. https://www.heavyequipmentforums.com/posts/917475/
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    Hitachi 120-2 questions and anwsers

    No problem, as I said if you need more detailed images just shout.
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    Hitachi 120-2 questions and anwsers

    And a few more. The conversion kit has no markings and was recently fitted. I know it was ordered from china and cost about 650 Euro here. Front control panel buttons are the only ones that work. Top computer is plugged in, bottom disconnected (don't know if this makes a difference). Speed is...
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    Hitachi 120-2 questions and anwsers

    Here are a few pics
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    Hitachi 120-2 questions and anwsers

    Bought with it installed, could probably locate the guy that did it. I would like to understand how it works as well, so maybe sharing on here will be a learning experience for me as well.
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    Hitachi 120-2 questions and anwsers

    Fair enough, I'll post here, it might be helpful to others. Starting tomorrow if the rain holds off
  19. G

    Hitachi 120-2 questions and anwsers

    Hello, I have an EX120-3, 1997 working perfectly with the conversion kit fitted. I don't know much about hydraulics tbh but I could send you pictures of the setup. Maybe the -2 is different from the -3, somebody else might know.
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    Hitachi Workshop Manual

    Hello tool_king, I bought a 1997 converted EX120-3 recently, I would appreciate any manuals or literature, If you're not too fed up with all the requests. Thank you in advance. My email is [email protected]
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