hi all i have a toro wheel horse with a 12 hp onan in it , vertical shaft, i am giving the motor to a old guy to fix his bolens, but i want to save the electric clutch,usually these things just fall out when you least expect it, but i have been pulling , prying, spraying release all, is there a "hidden" snap ring? threaded on? i dont want to get out the torches if i dont have to thanks. john