Hi James, here is a past thread that has a PDF on the floating balance, might help you out. look in general discussion for “Clock with balance escapement” Yes those @james burrows wrote:
3 prongs on the top
are to regulate, make sure you start the balance wheel past 180 when starting the beat, it will also help to make sure it is in beat with the little lever at the to of the coil spring, but all that info should be in the PDF. Have fun!!!! 
William