i have a david brown 995 recently i had replaced a supply line to my frontend loader valve that blew in the process the new supply line got switched with the return line in installation loader arms would go up and bucket would tilt down thought the control valve was bad replaced it does the same...
i have thought of that is it possible that the old return line had a check valve built into it, i dont think you need one on the supply line, and no it does not pressurize when you try to retract, it just acts like fuid is not moving in the retcact function on either valves
i have a older case tractor with a bushhog front end loader on it, recently the inlet line on the control valve burst went ahead replaced both the inlet and the return line somehow they got switched durring installation now the loader arms go up but not down and the bucket tilts down but not up...
