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pilot pressure

  1. J

    EX120-2 system base pressure too low

    Hey everyone, I am looking for some more brain power with this problem. Machine is a 120-2 with what I believe to be a 120-3 main control valve (mcv). This means it does not have the adjustable pressure regulator on top of the unloading valve like the -2. Its on the bottom instead. According...
    • Jason Klassen
    • Thread
    • cracked control valve dp sensor ex120-2 ex120-3 hitachi internal crack main control vavle pilot pressure pressure unloading valve
    • Replies: 122
    • Forum: Excavators
  2. J

    Hitachi zaxis200LC-3 auxiliary pilot pressure loss

    Hi all! Long time reader, I’ve learned a lot of good info in here. I have an issue that I thought some of the gurus on here might have ideas on with a new to me Hitachi zaxis 200lc -3. Serial# ARH310868. I installed a hydraulic thumb and pilot pedal valve with the appropriate pilot hoses and...
  3. D

    Terex hr16 pilot pressure pump problems

    Greetings, this is my first post. I am having trouble with the pilot controls on my Terex HR16 excavator. I have found the information on this forum most helpful, And I am Thankful you are here! My excavator machine: Terex HR16. Year 2003 Pump installed : Kayaba PSVD2-18e-3. Appears to be...
    • Dbothe
    • Thread
    • gear pump rebuilding joysticks metal shards pilot controls pilot pressure pilot pressure accumulator psvd2-18 pump charge pressure schaeff hr16 terex hr16
    • Replies: 9
    • Forum: Excavators
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