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Recent content by weedwards

  1. W

    Hitachi Ex120 Problem

    Purchase conversion to kit to change EX120-2 from computer control to hyd. control, engine under excessive load. Need help on proper installation instructions.
  2. W

    Hyd. problem EX 120-2 Hitachi Excavator

    Arm and Boom won't lift, bucket works fine. If you hold the joy stick off center the boom and arm move. What is wrong and do you have any ideas what the problem maybe?
  3. W

    Komatus D31 NO FORWARDS GEARS

    Heard something pop inside the transmission,no forward gears, reverse works fine. Inspected the clutches and they are good.
  4. W

    win dr for dealers hitachi ex 120-2

    Need win dr for dealers to trouble shoot ex 120-2 hitachi excavator. Can anybody please help? wayneedwards08@bellsouth.net
  5. W

    Pilot Pump ex 120-2 Hitachi excavator

    What should the pressure at the pump be? email me at wayneedwards08@bellsouth.net Thanks
  6. W

    Hitachi EX-120 manual

    Need the service manual for the ex 120-2 send to wayneedwards08@bellsouth.net. Thanks
  7. W

    Hitachi EX-120 Differential Pressure Sensor Problem

    If your remove the DP sensor should there be some oil flow or could the pre filter for the sensor stop the flow.
  8. W

    Hitachi Ex120 Problem

    Need instruction on how to check dp sensor ex-120-2 Need instruction on how to check dp sensor ex 120-2
  9. W

    Hitachi EX-120 Differential Pressure Sensor Problem

    What is the part number for the manual regulator kit and how do you check dp sensor?
  10. W

    Hitachi Ex120 Problem

    Need instruction for setting angle sensor voltage ex120-2
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