I have a cougar III with the tru-arc plus cams. I just had my bowshop put on new winners choice string and cables and have shot about 200 shots- it is shooting great- except it appears that the let-off wheel on the bottom cam is starting to rub on my new set-up. My bowshop adjusted the cable guard a little. Please let me know if this is the problem. My friend suggested I get a piece of emery paper and take the edge of the let-off wheel?