Hitting the rim of a balancer is a sure sign of an ignorant amateur. If you want to get the puller jackscrew tight against the crankshaft and hit the end of the jackscrew a hard lick with a BFH, that's OK, but never, ever hit the outer ring of a balancer.
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!