Kobelco swing / stick problem

dimanche 28 septembre 2014

Kobelco SK 100 mark 4 ser. # YWU1110 My old girl has become mixed up. This condition has slowly become worse. When I try to swing left or right, stick starts to move in by itself. If I stop trying to swing, stick continues to come in for a few feet before it stops. If it try to do stick out it is a very violent short motion and then it stops. I have had experts telling me to check out various check valves and spools with no improvement. Any help finding root of this problem would be greatly appreciated.





Kobelco swing / stick problem

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