Klarinet Archive - Posting 000127.txt from 2011/06

From: "Karl Krelove" <kkrelove@-----.net>
Subj: Re: [kl] Keeping screws in place
Date: Wed, 15 Jun 2011 13:25:51 -0400

Loc-Tite and nail polish will keep the screw from backing out, but they're
still first aid and don't address the underlying problem, which is that the
screw is binding inside the moving part of the assembly - the hollow rod in
the case of your rings. You should be able to torque a screw quite hard so
it doesn't work loose. Of course, if keys don't fit well they can bind when
screws are that tight, so that needs to be adjusted. You might see if your
repair tech can (and is willing to) adjust the fit inside the rod (usually
by reaming it very slightly) so it turns freely on the screw without moving
it. Also, the screw needs to be lubricated - a dry screw is more likely to
bind.

Karl

> -----Original Message-----
> From: Rachel Roessel [mailto:gsurosey@-----.com]
> Sent: Tuesday, June 14, 2011 2:14 PM
> To: klarinet@-----.com;
> musical_instrument_technician@-----.com
> Subject: [kl] Keeping screws in place
> =

> While practicing yesterday, the left hand rings on my clarinet=A0suddenly
> popped
> out towards me; the screw at the bottom came out! Luckily, the rug in
> the room
> is beige-colored so I found the screw easily and put the world back
> together.
> This has happened a couple times to me (as well as to the principal
> clarinetist
> in orchestra=A0warming up for a concert earlier this year. He couldn't
> find the
> screw right away so he borrowed the same screw from his A clarinet
> since we
> didn't need our A's; thankfully, he found the screw afterwards ).
> =

> Any tips for keeping these screws in place? I've heard clear nail
> polish works;
> is that recommended? Any other suggestions?
> =

> Thanks!
> =

> Rachel
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