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  1. 6

    Add auxiliary hydraulics to john deere 490e excavator

    Oddly, with my screen maximized, the pdf attachments are not present. If I minimize the screen the links to the pdf's magically appear! Thanks for all the information ;)
  2. 6

    Add auxiliary hydraulics to john deere 490e excavator

    Yes excavator, I'm in Poulsbo. I talked to JD yesterday and it doesnt look like there are provisions to add relief valves to the aux section. I think the other connections are straight forward enough.
  3. 6

    Add auxiliary hydraulics to john deere 490e excavator

    Thanks excavator! I have never used relays either and rarely had switches fail. I have not used proportional control for thumbs and don't care to. The ex120-2 is new to me and I am unfamiliar with Hitachi/john deere so was unsure of how the main valve worked if there was any built in relief for...
  4. 6

    Add auxiliary hydraulics to john deere 490e excavator

    Thank you Uffex for the reply! I am unable to see any of the attachments that you post. Probably something on my computer.
  5. 6

    Add auxiliary hydraulics to john deere 490e excavator

    I planned to plumb the thumb where the block off plates are and use a D03 valve controlled with buttons on the joystick. 1. Do I need to add external pressure relief (as it does not appear to have this on the main valve)? 2. Do the pilot lines go in place of the jumper hose seen in the picture...
  6. 6

    Add auxiliary hydraulics to john deere 490e excavator

    Hello there, I am installing a thumb on an ex120-2 and the main valve looks the same as Everytime5.9. What ended up being needed and what connections to get it working?
  7. 6

    Hitachi Workshop Manual

    Email is: chadcleaver@yahoo.com
  8. 6

    Hitachi Workshop Manual

    Hi tool_king, any chance I could get manuals for ex120-2 as well?
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