• Thank you for visiting HeavyEquipmentForums.com! Our objective is to provide industry professionals a place to gather to exchange questions, answers and ideas. We welcome you to register using the "Register" icon at the top of the page. We'd appreciate any help you can offer in spreading the word of our new site. The more members that join, the bigger resource for all to enjoy. Thank you!

Recent content by LACHAU

  1. LACHAU

    KOBELCO K909 SHOP MANUAL

    Code S5LQ0003E-02 is the shop manual of K909(LC)-II machine. Hope to be helpful. This is link to download: K909LC-II Shop Manual
  2. LACHAU

    2 speed on a Volvo EC210b excavator

    You don't have +24V at the switch because that switch is connected to GND, it is not connected to +24V. Refer to the attached circuit for details. Good luck.
  3. LACHAU

    Kobelco SK160LC

  4. LACHAU

    Kobelco SK135SRLC

  5. LACHAU

    Kobelco SK135SRLC

    We can only help you if we know your machine's serial number. In case you can not get the serial number, please take a photo of the gauge cluster and we can guess your device model to help.
  6. LACHAU

    Kobelco/New Holland 215B Throttle issue

    Hope to be helpful. Good luck.
  7. LACHAU

    New Holland/Kobelco E70B

    G013 = Governor motor disconnection.
  8. LACHAU

    Hitachi ex120-5 slow hydraulics (limp mode)

    According to the photos you provided, your device is for the Japanese domestic market. I see you registered with the forum as you are in Washington. I didn't know there were Hitachi excavator for the Japanese domestic market in Washington!
  9. LACHAU

    Hitachi ex120-5 slow hydraulics (limp mode)

    To do RETRIAL B you must have a tool called Dr.EX or Dr.ZX. See the attached file for more details. To buy A sensor (angle sensor), let go to Ebay. :p...
  10. LACHAU

    Hitachi ex120-5 slow hydraulics (limp mode)

    Welcome to HEF. I suggest you try as following image attached.
  11. LACHAU

    Sumitomo Case cx235c excavator 1455 fault code

    Welcome to HEF, Hope this is helpful. Good luck.
  12. LACHAU

    Cat 336 hydraulic schematic

    "three_diamond_Industries" looks like the Mitsubishi logo? :) :) :)
  13. LACHAU

    Unusual erratic noise from hydraulic pumps (Hitachi EX300)

    Usually, when you install a breaker, you should install the accumulator with compatible specifications. Otherwise, your main pump will encounter the same situation as you just mentioned because the hydraulic pulses caused by the breaker will create very harmful impacts on the main pump of the...
  14. LACHAU

    Unusual erratic noise from hydraulic pumps (Hitachi EX300)

    In the entire hydraulic system of the machine. Only one component is made of brass. Those are piston shoes. I don't know what the other technicians thought, but for us, when we discovered brass debris in the filter, we had to disassemble the main pump for inspection immediately.
  15. LACHAU

    Sany 26U

    Give up! You must contact Sany's dealer to resolve that password.:(
Top