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  1. S

    Hitachi EX330LC-5 hydraulic problems

    okay today i pulled regulators off of top of each pump and switched them and it changed nothing. anybody have any ideas? im kinda thinking its the pump.
  2. S

    Hitachi EX330LC-5 hydraulic problems

    Okay I will pull apart then switch with other pump tomorrow. Thank you
  3. S

    Hitachi EX330LC-5 hydraulic problems

    Unfortunately no nothing has been disturbed or messed with recently. I’m gonna pull the regulator off and tear it down anything Specific I should look for?
  4. S

    Hitachi EX330LC-5 hydraulic problems

    I have tried dead heading the stick cylinder and it didn’t change anything, I have pilot pressure on the right side joystick because the functions still work they just hardly move with no power to do anything
  5. S

    Hitachi EX330LC-5 hydraulic problems

    i am working on a hitachi 330 ex330lc-5 currently the machine has all but lost right side joystick and track functions, hooked up gauges to pumps and left pump reads 4,000 psi when moving functions, right side pump reads 1,500 psi when moving functions then tested the pilot signal lines to top...
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