While this may seem very fundamental, how does one bleed a hydraulic cylinder when the rod end port has a welded tube that leads down to its flare connection at the head end. This cylinder lies horizontal when retracted and is tilted rod end up when extended. It always seems to trap some air. I...
I have a hydraulic system that slows and looses force as it 'heats' up (I use quotes because I do not suspect heat as the problem). I have isolated the pump from the rest of the system and hooked it to a pressure gage and needle valve. The pump (gear type) is capable of rated system pressure. I...