Originally Posted by onebrit
The frame is stabilized with the jacks down, and allows the slide mechanism to stay in line during wait shift when slide is in action. Doing anything other is always taking a risk, you determine if the risk of stressing your slide mechanism is worth it.
Actually it depends on what you're RV manufacturer says. Newmar says level first, others say extend slides first.
So, read the owners manual, if you don't have one call the manufacturer.
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft
Charter Good Sam Lifetime Member, FMCA, SKP
RV'ing since 1957, NRA Benefactor Life, towing '05 Odyssey