Your solution was not correct for my situation. The issue wasnt the hole, but the fact that the opening for the CG pin was too wide. Tightening the pin would not keep it from wobbling so, no amount of silicone or wire insulation would fix the lever, in my case anyway. Pressure was needed to "pinch" the sides of the crown guard closer togetherby a fraction, and then the lever was tight. I also ruined the crown guard by using a pair of plyers with teeth on it, even though I taped them up pretty good, they still left a mark so I traded one small problem for another larger one. However, the solution worked perfectly and the pin no longer wiggles so, in the future, anyone trying this should be careful to use plenty of protection on the guard before applying pressure.