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  1. S

    kobelco sk220 noise when operating boom cylinders

    It won't go perfectly straight but doesn't get off line too major
  2. S

    Sk220 swing power

    I have an sk 220 lc mark 4 serial #llu2224 that seams like I am losing power in my swing motor. If the machine is at a marginal incline with a full bucket of dirt it won't turn up hill ???
  3. S

    kobelco sk220 noise when operating boom cylinders

    Where u ever able to locate if u can replace the regen springs in the spool or if u have to replace the whole arm spool
  4. S

    kobelco sk220 noise when operating boom cylinders

    I've checked out the arm spool but didn't See anything obvious. From what I've been told the only way to fix a regen valve inside the arm spool is a new spool ???
  5. S

    kobelco sk220 noise when operating boom cylinders

    Yes it has a thumb on it,running at wot and the arm all the way out bringing it all the way in,probably about a 2 sec delay
  6. S

    kobelco sk220 noise when operating boom cylinders

    I still have problems with the arm hesitating when it gets straight up and down but now when lowering the boom it makes a sound like i have a dry pin(which i dont)Its not a poping noise but more like a dull dragging
  7. S

    PLEASE HELP!!! kobelco sk 220lc arm regen valve problem

    I have an sk220lc mark IV that i believe the regen valve isnt working properly. I have been told that this is inside the arm spool itself, but once i have it out im not sure what im looking for or if im even in the right place.. serial number LLU2224 Also does anbody know where to find a good...
  8. S

    Sk 220 with a dead spot in the stick

    Where would those be located
  9. S

    Sk 220 with a dead spot in the stick

    Have a kobelco sk 220 mark 4, serial # LLU2224 that when the stick is almost all the way in it hits a dead spot and just dangles for about a second and then will come the rest of the way in. I was just wondering if this was normal for this machine.
  10. S

    Kobelco hydraulic excavators

    Hello I'm new here I hope I'm doing this right. I have a kobelco sk220 mark 4, serial #LLU2224. My question is that when i bring my stick in it will get almost all the way in and then go " limp " or hesitates for a second before coming all the way in. Is there anything that can be about this ?
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