---------------------- multipart/alternative attachment That would certainly explain it. I think it's a heat activated process as well. I don't know if it's pin plating or graphite, but it looks like graphite to me. I assume the heat gums it up and causes the center to seize. I work on one where I've replaced probably half the pins in hammers and whips. The Samick I tune is about the same age as your Hyundai, and also sits in a big picture window where it gets baked every day. Dave Stahl In a message dated 1/1/05 11:31:17 PM Pacific Standard Time, brispiano@optushome.com.au writes: > Terry, > > Hyundai's were made by Samick. > > Kerry Cooper > > >> ----- Original Message ----- >> From: <A HREF="mailto:terry@farrellpiano.com">Terry</A> >> To: <A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A> >> Sent: Sunday, January 02, 2005 2:39 AM >> Subject: Hyundai Action Centers >> >> >> Went to service a 5-year-old (about) Hyundai small grand the other day. >> Many action centers are very sluggish (to the point of not functioning) on the >> rep levers, jacks and back-action flanges (none of the hammer or wippen >> flanges seem to be affected). Is anyone familiar with any known problem with >> action centers on these pianos? (I'm thinking of something like the known >> center pin plating problem on some Samicks.) Just trying to find out if any known >> problem like this exists before I dig into it. >> >> FWIW, the (black) piano has been sitting in direct sunlight (arrrgggggg!) >> for several years. The side of it was so hot I could not keep my hand on it! >> They indicated they will be moving it to the other side of the room before I >> return..... >> >> Terry Farrell >> > ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/b0/4d/fc/72/attachment.htm ---------------------- multipart/alternative attachment--
This PTG archive page provided courtesy of Moy Piano Service, LLC