You can start the engine with no control on the jacks but when you move the gearshift to any position other than park or release the parkbrake the jacks will retract or they should.
Rv leveling jacks won t retract.
If the leveling jacks won t retract there are several things that can cause a problem with an rv s leveling jacks.
Find the fuse locations.
For most of these cases their hydraulic system has either taken on a disturbing growling noise upon descension of the leveling jacks or they simply won t retract back into the rig without force from a 2 4.
Once you have found which one works the jack that is not working close the valves and retract the other jacks.
Common places to start include looking at the fuses checking electrical breakers and looking for hydraulic leaks.
What to do when the rv s leveling jacks won t retract fixing a fuse.
This can be done by getting the model number of your leveling system and google.
Try to find a manual override switch.
Hwh is the corporation that handles most hydraulic jack systems in rvs and camper.
Most rv s have some type of emergency or manual override for the level jacks.
Once you notice rv leveling jacks not working.
Open each valve slowly and see which jack it operates.