<HTML>In a message dated 2/13/03 7:53:23 AM Central Standard= Time, tune4u@earthlink.net writes: <BLOCKQUOTE TYPE=CITE style="BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT= : 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px">What I would want to know is how to do it without having to start all over in alligning hammers to strings--especially when retaining the existing grooved= hammers. Can't think of any way to accurately mark the existing flange locations. I know you can adjust a flange-shank-hammer with the action in<BR= > the piano, but doesn't that require having its neighbors securely screwed<BR= > down? Hmmm ... sounds like a fussy, time consuming job, to me. Alan Barnard Salem, MO </BLOCKQUOTE> Alan There is no way you can replace the sandpaper without removing the flanges. = To solve the grove problem, file the hammers. Wim </HTML>