Posted 3/14/2016 06:31 (#5174936 - in reply to #5174801) Subject: RE: Challenger MT 635
SeMN
I haven't really fixed mine, I just make sure after I change shafts that the studs are all the way in. I use a pair of vice grips and grab the studs lightly and screw them all the way in. A couple usually come loose every time I switch shafts.