We have a 2017 Salem 326RL which is a triple slide unit. The two slides which extend the furthest, approx 3-0' are both on the same side which makes that side of the trailer much heavier. With the 4 point stabilizer system, the heavy side will settle about 1/2 bubble on my stick on level attached to front of the trailer. I have learned to use my Andersen levelers and raise the heavy side 1/2 bubble high FIRST, then put down stabilizers and extend the slides. This has worked for us many times on different types of surfaces without problems. I would not move your trailer with the slides extended. Too many alignment issues can happen.
On smaller campers with individual scissors jacks, one can sometimes take a little more weight off the springs to raise the low side slightly, but this is not possible with the 4-point system.
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2017 Salem Hemisphere 326RL
2009 Chevy Silveraldo 2500
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