<HTML>In a message dated 12/10/2003 1:20:22 PM Eastern Stand= ard Time, richard.ucci@att.net writes: <BLOCKQUOTE TYPE=CITE style="BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT= : 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px">Serviced a brand new "B" today.= Found a very pronounced knock at middle "d" >>> >when played hard. Seems to be the jack knocking on the hamm= er flange? Does >> >>not make any noise with hammer shank off. </BLOCKQUOTE> I've run into similar knocks and found it was the adjusting screw on the bac= k of the rep lever hitting on the hammer shank. Sound disappears when the sh= ank is off... will</HTML>