I can't remember this problem but does it happen when the cheek block is out? David I. ----- Original message ----------------------------------------> From: Mark Ultsch <multsch@jvlnet.com> To: pianotech <pianotech@ptg.org> Received: Thu, 5 Aug 2004 23:42:52 -0500 Subject: click noise on action shift on on Estonia--again >Before the National convention I posed a problem with a clicking noise >which seems to come from the bass cheek block when the action is >shifting. There doesn't seem to be any more clearance between the >action guide pin and the guide plate than on other pianos (that's a >quantitative analysis--isn't it?). >Thanks for your help on this; but the problem persists. >I've semi-rebedded the keyframe, lubed everying this reduced most of >the fore-aft lashing of the keyframe. While shifting, it now moves >less than 1/16" fore-aft without being guided. Is this considered an >acceptable amount???? >I screwed in the screws at the dags at the rear of the action, checked >springs, guides, pins to see that they are solidly mounted, checked >clearance at the top of the shift lever. >As suggested, next I'm considering adding brass tubing to the guide >pins (+.008" to +.016" Dia); but in a way, that seems to be a bit of a >kludge for a new piano (and I'm concerned that the customer often >thinks the same way I do). Comments? >Thanks once again for enduring the verbosity. >Mark Ultsch >Madison >_______________________________________________ >pianotech list info: https://www.moypiano.com/resources/#archives
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