I'm somewhat new to motorhomes myself but my thought is I wouldn't leave it on the hydraulic jacks while in storage. The shafts will rust and be ruined. When you retract them they get a small coating of hydraulic fluid on them but if left out that small coating won't protect them for long. I have a few pieces of heavy equipment and this is a real problem when I let them sit to long. My ACE 30.2 will lift the front tires off the ground to get level too. I'm not sure if it's s big deal or not. I usually pull into boards so there not fully off the ground after leveling.
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