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<P>1. Dip of 3/4 inch?!?!? Maybe 3/8"+, Yamaha regs say 10 mm</P>
<P>2. Regulate just a few sample keys before felting the whole board. You may have to fudge the factory numbers to make things come out right.</P>
<P>3. Specs for the G1 say 65.5 mm and 12 mm higher for sharps. This may be the biggest source of your troubles...</P>
<P>4. I assume you've regulated parts alignment (especially jacks to knuckles, jack height, etc., before you set blow ... yes?</P>
<P>5. Then regulate rest rail (if there is one), letoff, and drop ...</P>
<P>6. THEN white dip then sharps dip, then take your first look at aftertouch.</P>
<P>7. Lather, rinse, repeat if necessary.</P>
<P>8. Move on to back checks, checking distance, etc.</P>
<P>9. THEN (critical) rep spring tension</P>
<P>10. Check everything, readjust in order as necessary, etc.</P>
<P>11. Move on to Dampers and pedals ...<BR><BR>Alan Barnard<BR>Salem, MO<BR>Joshua 24:15<BR><BR><BR><BR></P>
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Original message<BR>From: "Jeff Miller" <LJMILLER3@SBCGLOBAL.NET><BR>To: pianotech@ptg.org<BR>Received: 01/06/2007 9:57:27 PM<BR>Subject: regulation problem<BR><BR>
<DIV align=left>I am trying to regulate a Yamaha G1 grand. (trying being the key word here). This is my first regulation for pay and boy is it giving me problems. I have set key height at 45 .5 mm, blow at 47.5 mm, dip using the jaras key dip jig ( I think that would be 3/4 inch). Anyway, I get ready to check my after touch and nothing!!! The white keys are bottoming out on the black keys front rail felt. What in the world am I doing wrong? Please help.</DIV>
<DIV> </DIV>
<DIV>Jeff Miller</DIV>
<DIV>Miller Piano Service </DIV>
<DIV>Abilene, TX </DIV>
<DIV><A href="mailto:ljmiller3@sbcglobal.net">ljmiller3@sbcglobal.net</A></DIV><BR><BR>
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