Klarinet Archive - Posting 000813.txt from 2000/05

From: "Aaron Hayden" <haydenmusic@-----.com>
Subj: Re: [kl] repair question
Date: Wed, 17 May 2000 18:57:38 -0400

Unfortunately, there is not a one size fits all spring. Round needle spring
sizes range from .018 - .064, some sizes come in different lengths. Also,
they are many sizes(length & thickness) for flat springs. Company's will
not sell you 1 spring of a certain size, you must order at least 1 dozen of
the same size. You need to know what size springs you will need to
replace. Usually the old spring is taken out & measured with a micrometer.
If the spring is missing or broken into the post, they must be fitted, by
trying several different sizes. As for flattening the end of the spring,
you need a steel bench block or an anvil on a vise, lead is too soft and
will only make a nice impression of the spring in the lead. If you use
blue steel, an anvil on a vise is also too soft. Some technicians will
heat the end of the spring red hot, an immerge it in oil to soften the end
before flattening the end, I personally try to avoid this practice, as you
loose some of the temper of the steel(where it comes out of the post) & this
can cause a mushy feeling in
the action.
Now for pads. Pad sets are sold for the most popular brands of
instruments currently on the market. Pad sizes for the clarinet will start
from 6.5mm to 20 mm. On metal clarinets, I rather use a tan or white kid
skin pad. The tone holes are rather sharp, especially if they're not
rolled. Also a problem with metal clarinets, is that, the tone holes are
not level, and must be leveled to attain a proper & solid seat of the pad.

Aaron Hayden
Aaron Hayden Band Instrument Repair
http://www.haydenmusical.com

----- Original Message -----
From: "Scott Lipcon" <slipcon@-----.edu>
Subject: [kl] repair question

> Hello,
>
> I've seen a few good quick tutorials on this list and on sneezy explaining
> how to do some basic repairs, such as tenon joints and pad replacements.
> I learned quite a bit from reading about them. A few years ago I
> overhauled an old clarinet from info I learned on this list and other
> places. Now, I have just bought a silver clarinet, and I'd like to
> overhaul it - I know its never going to be a great instrument, but I'd
> like to hear it play. I enjoy working on it, and it will be a nice
> project. In any case, my question is with regard to springs: it is
> missing a few, and a few more are probably in need of replacement. Can
> someone write a short summary on how to replace needle springs? Also,
> where can I buy a few springs (10 or so)? (I also need pads, I don't
> think I have enough to repad this clarinet, so any suggestions on where to
> order a set of pads would be appreciated)
>
> Thanks,
>
> Scot
>
>
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