Mine were NOT coming down under pressure. I was able to drill a hole in a collar on the cylinder and tap it so i could put a bolt in to contact the ram and prevent it from dropping. (this bolt did not penitrate the hydrolic system) If there was enough pressure in the system there is no way the friction of that bolt would have stopped the ram from moving. If your legs are breaking chains holding the rams up then the pump must be running to build that kind of pressure. That is a much different problem than what i had.
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