PC50UU2E Boom Jerky

lundi 28 novembre 2016

PC50UU2E boom operates normal when cold, but after a few minutes it gets real jerky.
Installed press gauge and it shows a pressure drop and then back to pressure, drop then press, drop then press.
This happens when raising boom. Also the travel has this jerky motion at times.
Appreciate any info on cause


PC50UU2E Boom Jerky

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