Manually retracting the RV hydraulic jack is a straightforward process. Firstly, you must locate the manual override switch in your system. You will usually find this on the underside of your RV. Turn off all power to the main circuit board when working on it. In this article, I focus on how to manually retract a hydraulic jack from your RV. I will take you through each step, from locating the hydraulic pump to safely retracting jacks, with all the tips and safety rules you must emphasize. ...