fast repetition

[Greg Newell]

Keith A. McGavern wrote:
>
> >...The "other"
> >tech increased letoff on at least two occasions to insure that the jack
> >was clearing the hammer butt cushion for proper return of the jack but
> >the problem still exists...
>
> Greg,
>
> This isn't the correct way to do let-off for the MX100II.  From the service
> manual:
> "Adjust capstan so there is no lost motion.  The objective is to have the
> hammer supported by both the air damper (which replaces the hammer rest
> rail) and, to a smaller degree, the jack."  (There is more.)
>
> Also the key fit should be very free.  There should be free fall when key
> is raised by 10mm and released.
>
> >...I would appreciate any insight you might be able to share with me
> >before I contact Yamaha and ask for their help.
> >
> >Thanks in advance!
> >                               Greg
>
> Is there not a trained Disklavier tech in the area that can assist you in
> understanding the particulars for this instrument?
>
> Keith A. McGavern
> kam544@ionet.net
> Registered Piano Technician
> Oklahoma Chapter 731
> Piano Technicians Guild
> Oklahoma Baptist University
> Shawnee, Oklahoma, USA


Keith,
      I have not yet sought out another tech in the area trained by
Yamaha. I thought I would check the "list" , call Yamaha, and then check
the area here in that order.
                                     Greg
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