taking apart a BB pearl

anyone know how to take one apart cause i need to clean the little ball, it does not move like it use to

http://forums.crackberry.com/f3/how-remove-clean-your-trackball-3243/

nice thx

torx

/thread

Whatever you do don,t remove the ball from it’s little cage. I did and the metal clip was nearly impossible to get back on so much so that I just put it back together and brought it back to verizon. They did upgrade me from a curve to a 8830 but so far I don’t know if I like this phone more