Dear List, A client whose piano I service, spilled a cup of coffee into the action of the piano. The action was cleaned up pretty well, but some of the notes involved later started to turn into a "thudding" sound. After ruling out the hammers as the culprits, I found the problem to be in the agraffes. Some of the coffee must have stopped up the holes in the agraffes. Not having any cleaning materials with me (It's on a cruise ship), I left it for next time. Question: Is there a good chemical solvent that will easily disolve this congestion without doing additional damage? Is this a common problem with spills? It's new to me. Phil Ryan Miami Beach
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