to the forums. Hope you enjoy the stay, and learn a lot, and can teach others what you already know.
Sorry, can't help on the jack. Is your camper new, under warranty? If so, let the dealer worry about it. If not, try a search on here for tongue jack, or electric jack. Others have had problems, and maybe there is a solution there. I haven't followed those threads.
2012 Ford F250 ext. Cab 4x4
2002 Jeep Wrangler Sahara
2008 Yamaha V-Star 650 Classic
2008 Work and Play 18LT