hi check the valve and lever , it is possible the valve have internal leak. you must lift up the cilinder and block it. Set a plug in the hose of the cilinder and test it with load. If the cilinder oke he hold the load and the valve are defect. If the load goes down the cilinder is defect
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.