Troubleshooting — My Bottle Jack Rosin Press Does Not Hold Pressure

My Bottle Jack Rosin Press Does Not Hold Pressure, Why?There are many factors that may cause the jack to not hold pressure, much apprecaited if you could check it out by yourself:  Symptom Possible Causes Corrective Action Jack will not lift load Release valve not tightly closedOverload conditionAir pressure inadequate Ensure release valve tightly closedRemedy overload conditionEnsure adequate air pressure Jack will lift, but not hold pressure Release valve not tightly closedOverload conditionHydraulic unit malfunction Ensure release valve tightly closedRemedy overload condition Jack will not lower after unloading Reservoir overfilled Ensure load is removed, then drain fluid to proper level...