Originally Posted by PurpleFender

to make it easy, use the proper tool for it. I'll link to the article on park's website here
http://www.parktool.com/repair/readhowto.asp?id=122

btw, make sure you arent over tightening the thing. There are arrows on the bb cups that show you what direction to turn them to TIGHTEN them. Turn in the opposite direction of these arrows.