Cat 320L hydraulics stalling motor when warm, hot

jeudi 3 avril 2014

Hi Folks,



need some help trouble shooting my old Cat 320L / 320A. Staggers when put to a hill, walks on the flat fine. staggers under load while lifting logs etc. Worse when hot. Seems to slew ok but when hot its possible to lift a load or force it up a hill to the point engine stalls. Recently replaced a hose that went from a block behind the hydraulic tank to behind the boom, where there was a coarse mesh filter that had some black rubber particles present. Not sure if this is relevant to the situation. Only had machine a few months. Went to change final drive oil and found it was mostly grease in there. Also probably not relevant to the situation. Thanks for any assistance offered.




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