Congrats on the new 28DSBH and welcome to JOF. I took my 28DSBH on its maiden voyage and everything worked as it should, no issues. Although, it did take me a little longer to set it up, but I chalk that up to this being my first trip with a TT, I've only owned PUPs until now. Happy Camping.
2014 Ford F-250 Lariat Crew Cab 4X4, 6.2L gasser, 3.73
2013 Jayco White Hawk 28DSBH
2012 Ford F-150 Lariat Supercrew 4X4, 3.5L Ecoboost, 3.73 (traded)
2005 Jayco 1207 (second PUP)
1976 Coleman Brandywine (first PUP)