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hydraulic issues

  1. B

    2012 Yanmar VIO-55-5B Issues - need advice!

    Hi all, I have a grey market 2012 yanmar vio55-5b. It was running awesome until I lent it to a contractor for work. They ended up backing out my bushing and bending my main ram and boom cylinder. The machine shop repaired it and a mechanic put it back together without flushing the hydraulics as...
  2. A

    John Deere 490e hydraulic issues

    Having some hydraulic issues with my 490e later serial #. Pilot pump and all hydraulic filters are new. pilot relief and regulated pressure is 720-730 ish and 510-520 ish tested as the book says to. The main problem im having is the hydraulics are jittery when feathering the controls and swing...
    • adamwubben
    • Thread
    • 490e hydraulic issues john deere 490e pilot pressure
    • Replies: 5
    • Forum: Excavators
  3. The Dirt Guy

    John Deere 160clc slow and week functions intermittent

    Equipment: 2003 John Deere 160CLC. History: I replaced the engine with a used one, machine worked fine and noticed my boom up slowed way down and at the same time I had an oil pan gasket leaking (must have torn it when I installed it). I replaced the arm regenerative solenoid and went to work...
    • The Dirt Guy
    • Thread
    • hydraulic issues hydraulics weak john deere 160clc main relief valve keeps lifting
    • Replies: 261
    • Forum: Excavators
  4. Ace Al

    Terex PT110 forester hydraulic not working properly

    I have a 2015 Terex PT110 forester with about 3 thousand hours on it. Once in operation for an hour or two, the hydronic system stops working. Cannot move the arms up or down, also unable to go forward or reverse the machine. Nothing happens when moving the joystick; no winding down of engine...
  5. H

    D4c blade float won't work

    Newbe here..bought d4c hystat think series 2 or 3, blade wont go into float, dont feel a detent on control, thinking little grey button below hi/low selector on direction joystick, left side joystick, mite need to be pressed but it dont help, am I thinking right or is it in blade control with a...
    • Harry88
    • Thread
    • controls d4c dozers float control? hydraulic issues
    • Replies: 1
    • Forum: Dozers
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