This is a reoccurring problem on my coach, I'm planning to replace that set screw one day with a bolt of equal size. Factory set screw is a POS, and looks home made, badly home made.
Dan & Loretta, US Army Retired Aero Scout Pilot
2012 Fleetwood Providence 42P Class A/DP
Spartan Chassis, 8.9L Cummins 450HP