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dp sensor

  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

    EX120-2 Stalling when Control Lever Down and Warmed up

    I have a EX120-2 with a stalling issue when the control lever is down. Been working on bringing this machine back to life after neglect from previous owners. The machine used to constantly stall. I have replaced the pvc, solenoids, angle sensor, pressure sensor, and dp sensor and all wiring...
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