[pianotech] Loose Let-off Buttons

[paul bruesch]

The YC bracket issue was my first thought. 1989 is outside the reported
scope, but it'd be worth a call to YC with the serial number. Or maybe check
first if the spread is way beyond spec.

I think they're still providing brackets. At our chapter meeting this week,
I talked to a local tech who's encountered a piano with the issue. I don't
recall if he said he'd talked to YC yet or not. I think he monitors this
list... maybe he'll chime in!?!?

Excellent writeup about the problem and the fix in August 2009 Journal.

Paul Bruesch
Stillwater, MN

On Thu, Nov 18, 2010 at 9:29 PM, <tnrwim at aol.com> wrote:

> Noah
>
> The problem on this piano is probably not the loose let off buttons,but
> expanding action brackets. Weber grands were made by Young Chang. The action
> brackets on YC's for many years, for some strange reason, actually expanded,
> which threw off regulation.
>
>  YC used to give you four new brackets, but I don't know if they still do
> that, so give Young Chang a call, and ask if they still give them out.
> You'll need a serial number of the piano. The customer will have to pay to
> have new action brackets installed.
>
> The latest information I have for Young Chang is:
> Parts manager at Young Chang
> John Chang, 866-798-6979 ext. 144
> *
> **Jchang at ycapiano.com* <Jchang at ycapiano.com>
> Monica is the receptionist at ext. 0
>
> But I heard that John is no longer there.
>
> Wim
>
>
> -----Original Message-----
> From: Noah Frere <noahfrere at gmail.com>
> To: pianotech <pianotech at ptg.org>
> Sent: Thu, Nov 18, 2010 4:51 pm
> Subject: [pianotech] Loose Let-off Buttons
>
> There is a possibility that this 1989 Weber Grand's let-off buttons are
> slipping, since 1) they are very loose, and 2) supposedly the hammers began
> blocking more than once not long after regulations. This is the first time
> I've seen the piano, so I put a pencil mark in the center of the let-off
> buttons to check their possible movement when i return in 3 months.
> If they do move, is there a way to tighten them up, like Loctite or
> something? Otherwise they will have to be replaced. At least the buttons
> themselves, if not the metal thread.
>
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