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Re: crows foot alignment

Author: Paul Aviles
Date: 2010-02-16 18:29

Depends on the issue. A common problem is a cork that comes undone and causes a misalignment at the crows foot. This is more of a "feel" problem though.

I have had issues with the Leblanc Concerto/Opus keys being a bit too malable causing this adjustment many problems.

In a case such as this you just have to know which way to bend your correction. If the RH "C" key is jammed down too much, just insert a shim (some inocuous wooden item such as a pencil) under the foot and gently press on the "C" key cup. Keep checking and redoing until it's back where it seals properly (LH "B" key brings both cups down together).

On other occasions I've had the LH "C#" bend so that it doesn't touch the foot at rest. Simple fix is to gentle press the RH key down along with the corresponding armature the the other side of the horn until it meets the foot at rest.

Those are the main ones. Others are possible and you just have to "play with it" in a similar manner. The important test is the LH "B" bringing both cups down to seal simultaneously.

..................Paul Aviles

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Author

Date

crows foot alignment new

salzo

2010-02-16 17:47

Re: crows foot alignment

Paul Aviles

2010-02-16 18:29