Tuning records, history should be kept and maintained with the piano. Information including temprature, humidity, piano zero, Pitch raises, replacement parts before service can quickly note problems. Complete documentation like check lists, (The Piano Action Handbook pages 3.3 to 3.7) adds to the value of the piano, aids in collection of warranty work from manufactures, insurance companys, shows a higher standard of care to the customer and the patient,The Piano!!! I have a good case that Im not quiet sure how to advise a school system, three pianos have been vandalized with dry charge fire extinguishers, the chemical left inside the piano is a very fine powder and abrasive, the school has vacumed out most of the powder and will try to blow the rest out with a air compressor. Im not sure we can get all of the powder out of the action centers and wound strings. Jeff Franson Haxtun, CO.
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