Here is a manual for sofa slide out.......
LINKPg. 5 Fig. 1 shows components
Item 1 is the vertical adjustment plate
Moving the plate up would raise it
If that is not the correct one check for it here.....
LINK
Is it time for your medication or mine?
2007 DODGE 3500 QC SRW 5.9L CTD In-Bed 'quiet gen'
2007 HitchHiker II 32.5 UKTG 2000W Xantex Inverter
US NAVY------USS Decatur DDG31