hey, i got a halo B today seconds hand but never used. was having issues not feeding after the primed the feed neck. now it wont feed at all HELP!!!!!!

i asked a friend on MSN who had a halo asked if eyes were dirty. they're not. thought it might be the drive cone spring changed how that was and put it back to way it was now no worky. someine with a non sound activated HALO B please help!!!

thansk in advance andrew.