<html> At 11:02 AM 8/19/2002 -0400, you wrote: <blockquote type=cite cite>I regulated a B Friday, and now there are about 3 or 4 notes in the octave just above the break where the jack is hitting the hammer flange on a hard blow.  Upon close inspection, when I bring the wippen up, I can make the top of the jack touch the bottom of the hammer flange on some of the notes, but not on others. I can't seem to figure out why it is doing it. What makes the jack stop it's upward motion when the wippen is pushed up? Wim </blockquote> This is common on B's. The capstans are too far forwards.  Move them. Jon Page</html>