David Porter writes: >I was called to work on a Wurlitzer grand by Samick G-411 the other day and I >immediately recognized the piano as one I had worked on 3 years before. The >customer has had various tuners work on it over the years. Three years ago >all 88 of the hammers were blocking against the strings. I set the let off on >all 88 just to get it tunable and so the tolerances weren't that close. When >I came back to the piano a couple days ago all 88 hammers were blocking again >against the strings. All the action parts seemed tight including the let off >rails. The glide bolts seemed tight so I don't think they raised up. The let >off pads didn't seem excessively fluffy so I don't think they settled that >much. The action barely fits under the pinblock. The hammers get pressed >tightly against the repetitions when you slide the action in. Does anyone >have any ideas as to what might be causing this condition? Thanks. I believe the WurliTzer in question (G411) is a Young Chang. The Samick Wurlitzers have only been out a couple of years. Young Chang had a problem with a certain range of pianos in which the die-cast action brackets expanded and warped. This caused hammers to block, action spread to change, and usually resulted in a generally unplayable piano having the symptoms you describe. Give the serial # to Phil Glenn at Young Chang and see if this could be one of them. David V. Anderson, RPT Rochester, MI
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