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Sourov1 · 2022-04-13 14:44

I have a kobelco sk135-2. Serial no:YV06-05889.The machine was working good but now when i want to start the machine doesn’t start but when i loosen the main relief valve the goes start. What should the problem any one guesses and what should the solution. Thank you

Replies16
  1. #1uffex2022-04-13 15:34

    Good day Option circuit left switched on ? Kind regards Uffex

  2. #2Kobelco ireland2022-04-13 17:41

    From what you describe your pumps are stuck on max flow either from what uffex said or if any of the low pressure sensors are faulty or a faultly psv valve on the pump. If you unplug the two pump solenoids and it starts then something is telling the pump to go to max flow, if it still doesn't start you probably have a faulty pump solenoid. You would have to confirm all of the above through the diagnostics in the dash to be 100 percent sure

  3. #3Sourov12022-05-01 15:18

    Is it in normal or abnormal condition?

  4. #4Kobelco ireland2022-05-01 15:29

    All on the screen is normal post pictures of the screens for pump sensors and psv valves

  5. #5Sourov12022-05-01 15:48

    Is 0.4v is normal or 0.5v is nirmal?

  6. #6Kobelco ireland2022-05-01 16:09

    0.4 is normal if the levers are in neutral position

  7. #7Sourov12022-05-26 01:16

    Is it normal or abnormal condition. Can you please suggest me.This is in H mode HI idle no operation

  8. #8Kobelco ireland2022-05-26 01:22

    P2 pump reading is too high.

  9. #9Sourov12022-05-26 01:26

    How can i repair it problem

  10. #10Kobelco ireland2022-05-26 15:29

    Find the two high pressure pump sensors(wire number se-22 and se-23) and swap the sensors if the high reading changes to p1 then your sensor is faulty if it stays at p2 then something is keeping your pump upstroked

  11. #11Sourov12022-06-04 14:47

    Thanks for your advice.i have swap the sensor and the value has changed.The p2 sensor is fault. I have replaced with new one.now i think the value is normal. But the power shift current 150mA. Is it normal value. Need your advice. I have given the photo after replacing the p2 sensor

  12. #12Kobelco ireland2022-06-04 14:50

    Is the 150ma with just key turned on or with machine running what does it read when working functions

  13. #13Sourov12022-06-04 14:54

    I just only turn the key switch on. I didn't start the machine

  14. #14Kobelco ireland2022-06-04 14:56

    Off the top of my head 150 with key on is normal. When started and working functions it should drop

  15. #15Sourov12022-06-04 15:18

    Thank you so much

  16. #16Kobelco ireland2022-06-04 16:59

    No problem