Klarinet Archive - Posting 000916.txt from 2000/03

From: "Dee D. Hays" <deehays@-----.com>
Subj: Re: [kl] pads need replacing
Date: Tue, 28 Mar 2000 20:55:07 -0500

----- Original Message -----
From: "Bill Hausmann" <bhausman@-----.com>
Subject: Re: [kl] pads need replacing

> At 04:31 PM 3/28/2000 +0800, you wrote:
> >How does one know that a pad needs replacing form an inspection? What do
you
> >look for?
> >
> >Karel
> >(with an R13 that is at present O.K.)
> >
> Pads are made of felt with a cardboard backing and a membrane covering.
If
> the membrane is broken or seriously fraying on the edge, it's time to
> replace. Some other conditions may also call for replacement, such as a
> seat in the pad which has become too deep from use. Someone suggested the
> test of taking each section, holding the keys closed and covering the end
> and blowing into it. This works well, but if you blow too hard, some keys
> held shut only with spring tension may lift and give a false indication.
> If instead of, or in addition to, blowing, you SUCK on the end and see if
> it holds a vacuum, it can give a better indication.

Sucking can also give a false indication as it is quite easy to "pull" a key
completely closed that has a slight leak. Perhaps one should use both.
Personally I blow to test for leaks. It doesn't take too long to lean how
hard to blow or not blow.

Dee Hays
Canton, SD

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