Don't whack 'em- - - - -use a long piece of pipe just big enough to fit over the stud, (probably 1/2") and gently pry the stud whatever direction it needs to go. You'll have better control over the movement than you will if you hammer on the stud.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!