Komatsu hyd pump

mercredi 21 mai 2014

hi



would the hydraulic pump and functions work ok, if the LS-EPC and PC-EPC wires, on the main hyd pump were not connected on a PC270-7 or any other -7 machine ? does anyone know of a dash 7 komatsu that's working without the electrics connected on the hydraulic pump ? the electric wires are a shambles and the computer does not work. The problem im having is the machine stalls under any load, and cannot even track back or forth.




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