<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 6.00.2722.900" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial>I repaired a rather new Petrof uprignt = yesterday that had keys sticking down.  After easing a number of the key bushings, = all the keys were working smoothly once again until I pressed the damper pedal = and all of a sudden I had a bunch of different keys sticking down again.  I = eased them and problem solved.  My question is: why should pressing the = damper pedal have any effect on sticking keys?</FONT></DIV> <DIV><FONT face=Arial></FONT> </DIV> <DIV><FONT face=Arial>Phil Ryan</FONT></DIV></BODY></HTML>