Even though you didn't schedule have time to fix the problem, it is always a good idea to pull the action...how long can that take? Then you have a good chance to see the problem and convey a plan of action in the future. The customer certainly will be willing to pay you to clean out the action cavity and 10 to 15 years of debri...which might fix the problem. Consider offering a longer service for the first time. They pay extra but get full cleaning, pedals regulated. You do carry a vacuum, right? Does the piano have 3 pedals? What does the left pedal do? What does the middle pedal do? If the bass section lifts with the middle pedal does it lift evenly. You gots to check all the pedals... A0 lifting way high and the end of the bass lifting way late is screwy sounding...I would want to know if A0 is lifting the same time as the tenor/treble?... David Ilvedson, RPT Pacifica, CA 94044 ----- Original message ---------------------------------------- From: "Rob McCall" <rob at mccallpiano.com> To: pianotech at ptg.org Received: 12/19/2009 8:03:13 PM Subject: [pianotech] cantilevered bass dampers >Greetings List, >I recently tuned a 1986 Samick SG-155 that's been tuned only twice in the last 23 >years... Mine being the second of those! >Other than the pitch raise, etc. there seemed to be a problem with the dampers. As >I didn't have enough time to resolve it that day, we've set up a time in early January >to resolve the issue. >Here's what it is... >The bass strings are not fully dampened at anytime. The bass notes just sort of >resonate for 5 seconds or so before damping. The treble section from the >bass/tenor break all the way up C8 works just fine. >Here's the unique part... >When I push on the sustain pedal, the treble section dampers rise evenly and right >when they should. However, the bass section comes up at an angle. A0 comes up >first followed in order all the way up to the break. With the sustain pedal fully >depressed, the tenor/treble section is level and uniform, but the bass section is >cantilevered with the lowest end dampers (A0) being higher above the wires than >the dampers at the top end of the bass section. At the low end, the dampers are >close to 1.25 -1.50 inches above the wires. At the upper end of the bass,near the >break, the dampers are only about 1/4 of an inch above the wires. It's pretty much >diagonally linear between the two ends. >I haven't pulled the action yet and this is my first Samick grand. Are the damper >sections split on these? Is there something particular I should be looking for when I >pull it apart? I'm pretty sure I can figure out what's going on once I'm in there, but I >wouldn't mind a heads up from anyone who's dealt with this before. Tools, etc... >Thanks in advance, >Mele Kalikimaka me ka Hau'oli Makahiki Hou > >Rob McCall >McCall Piano Service, LLC >Murrieta, CA >rob at mccallpiano.com >www.mccallpiano.com >951-698-1875
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