[pianotech] something interesting and question about a Yamaha

[paul bruesch]

Here's a delightful discovery I made a few years back. Thankfully it was not
plugged in.

On Tue, Oct 4, 2011 at 10:57 PM, <tnrwim at aol.com> wrote:

> Marshall
>
> The light in the bottom of the piano is an old trick, used by many older
> piano technicians who didn't know, or were to cheap, to buy damp chasers.
> They do about the same thing, except, unless the bulb is less than 50w, it
> would create too much heat, and concentrated too much in a small area,
> instead of uniformly across the width of the piano. I would receommend you
> sell him a 25w damp chaser to replace the light bulb. Also, when he moves
> the piano, you don't want to move the light bulb, because it will break, as
> where a damp chaser won't.
>
> The P2 problem was discussed just recently, but again, it could be that the
> hammer return butt spring loops are broken. This is hard to see, even for us
> sighted people. You will need to get your wife, or the customer, to look
> inside the action, behind the hammer butts, to see if the springs are
> "up", instead of attached to the loops.
>
> Willem
>
>
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