Steve, Greater detail may help. Where are you located ( ie how extreme is the climate)? Are you working for a dealer (which may imply a commonality in your customer base), or as a self employed generalist (century old upright in the morning, 30 year old Kimball spinet at noon, 2 year old stencil piano made by a non-stellar Chinese piano manufacturer)? If most of your customer base are, say, folks who got consoles at a recent armory sale, frozen action centers may be due to poorly plated center pins, poorly seasoned parts that are swelling and warping, etc. I recall that back in the late 70s Sid Stone wrote a list of "reasons why a key may stick": I believe there were more than twenty. Patrick On Mar 4, 2004, at 2:58 PM, steve robson wrote: > Hi can anyone help, > > I have seen an increase recently on notes sticking (failing to return > to rest) on more than one > piano recently. The instruments are not heavily used and conditions in > the rooms are stable. > Central heating with humidifiers.
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