Has anyone ever experienced a carb slide rotating in the carb? I have a set of JBM diaphragms and I pulled the carb off to do some work and the slides seem to have rotated so that the cut-away was facing toward the outside of the bike. The diaphragms are a slip fit w/ no adhesive. Should I use something to stick the diaphragm to the slide so that it can't move independently? If so, what should I use? Thanks.