Here is the page from the manual on my camper the bolt to adjust the upper limit fell out it is (1/4 inch 20 bolt) that is why when my switch failled to stop the limit switch never stop the motor. once you get the proper adjutsment i would lock tight the bolt
Trailer: Lifted 228BH, heavy duty springs and Yokohama tires TV: 2016 GMC Sierra Z71 4x4 CC, SLT
Spare TV: Two Alaskan Malamutes
Living somewhere in ID; previously lived in Moab UT; previous to that, don't ask!