• Thank you for visiting HeavyEquipmentForums.com! Our objective is to provide industry professionals a place to gather to exchange questions, answers and ideas. We welcome you to register using the "Register" icon at the top of the page. We'd appreciate any help you can offer in spreading the word of our new site. The more members that join, the bigger resource for all to enjoy. Thank you!

Search results

  1. I

    Hitachi EX100-3 Engine loading up

    Finally got machine fixed . New solenoids on pump. I'm a happy camper now. Does anyone know the lift capacity on this machine (EX100-3)? No decals on machine.
  2. I

    Hitachi EX100-3 Engine loading up

    Up date, finally got all electrical system checked out and all good. Back to pump shop to let them figure out what they did or didn't do. Impatiently waiting on them
  3. I

    How To Operate an Excavator

    Spend some time watching equipment disaster videos on you tube.http://www.youtube.com/watch?v=ctmNrKK87GA
  4. I

    Hitachi EX100-3 Engine loading up

    Hello all and thanks in advance for any help. Its a 1998 grey machine. Yeah I know, 1st mistake. Bought it with bad pump and had it rebuilt at trusted shop. All functions slow and engine loading up. Took it to John Deere dealer, 2nd mistake. They adjusted angle sensor and helped with speed of...
  5. I

    Another Hitachi with hydraulic problems

    Turned angle sensor 180,slowed functions even more. Reset it back and changed wires on solenoids. That too slowed functions. Both actions relived load on engine. As I was trying these changes, noticed that in original set up, return to dig, extending dipper arm, rolling out bucket and lowering...
  6. I

    Another Hitachi with hydraulic problems

    Hello jaytech, just noticed your location. I am working on machine today and you could text me with suggestions and questions at 601-259-8977. Thanks again
  7. I

    Another Hitachi with hydraulic problems

    Hello and thanks for the reply. I am in southwest Ms near Brookhaven. The sensor and solenoids were installed by hydraulic shop so it is a possibility. This is the first computer controlled machine I have owned so I am dazed and confused. Don't want to do more damage by trying different things...
  8. I

    Another Hitachi with hydraulic problems

    I recently bought a Hitachi EX100-3 with a bad pump. Had pump built by trusted shop and am confident in their work. Now when working machine, all functions are slow and engine is loading up. They checked and rechecked hydraulics and could not find any problems. New solenoids and angle sensor...
Top