This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment Hi Willem, Sounds like you live in an area where the climate varies a lot. Tighten = them up in the humid season and there loose in the dry season. I guess = this is the biggest problem with screws, everything they hold becomes = loose in all actions. =20 What you are talking about is common with many action including Renner. = Surprisingly enough the same system on the plastic Kawai flange does not = come loose, I guess it boils down to how well the action parts were = seasoned (or dried) the type of timber used and the grain orientation in = the individual part. Yamaha is well known for making pianos with different moisture content = for different climates, maybe there is something in the air in your area = which is different to the general. Tony Caught ICPTG Australia caute@optusnet.com.au This is what I am talking about. I don't have as many "walking" center = pins=20 problems with Hamiltons, or other studios. It seems that every time I = tune a=20 Y in a school or church I have to take out the action to tighten butt = screws=20 and push center pins back in. To me that is not right. We shouldn't = have to=20 keep doing that. That is why I don't like Yamahas.=20 Willem=20 ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/52/a6/cf/b8/attachment.htm ---------------------- multipart/alternative attachment--
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