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Recent content by igor

  1. I

    Hitachi Ex120 Problem

    Help on EX120-2 PVC computer If you are talking about the PVC computer for the Hitachi EX120-2, I have one on my desk right now I'm trying to fix.... The diode, labeled D1 is in series with a 4W 10 ohm resistor, on the Father-in-laws machine, which I have to fix the resistor was blown open...
  2. I

    Hitachi Ex120 Problem

    Hi 3Doc, thanks for the kind offer, I am a newbie here, so dont seem to have permissions to email you.... or I just cant seem to find you info without getting a permission problem. However, my email is igor@rmit.edu.au I hope that doesnt violate the rules here....
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    Hitachi Ex120 Problem

    I have been helping the father-in-law with his EX120-2 (serial 12N-35444)as we have some real issues with. the machine would run untill it was hot and then any work on the hydraulics would be like this one in this tread, lots of black smoke with the hydraulics loading it up something shocking...
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