On mine, it's the elevated dinette and fridge. I'm not sure how to access under the raised floor. There are no adjustments under the slide on the outside, besides where it's bolted, and in that case it's this bolt hole or that bolt hole, not a slotted hole or adjustable nut / bolt. I didn't see anything on the Lippert site on how to adjust it, but I also don't know exactly which mechanism we have. I'm guessing the happijac. All the pictures look close, but not exact. Gotta access the rest of what I can't see to be for sure which one we have.
John and Rebecca Dickson
Emma-7 / Little John-5 / Iva-1
Full Timing Again, Rev B
2013 Ford F-350 Lariat CC LB PSD
2015 SOB TT - With OC's Awning Poles (#8)
At least in Heaven, RVs will be perfect, and I won't have to keep fixing them.