 The Clarinet BBoard
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Author: electricbird
Date: 2014-01-06 21:26
I thought my A key screw was loose and I tried tightening that and my register key screw and it was fine; when I tried tightening it again, my clarinet started sounding weird and half of my notes above the register won't come out or squeak. help??
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Author: AAAClarinet
Date: 2014-01-06 21:36
I don't know if this is the issue, but I have read many times that the A key screw should have a tiny bit of space before opening the G# key.
AAAClarinet
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Author: Chris P
Date: 2014-01-06 21:58
That's right - there needs to be a small gap between the tip of the throat G# screw and the throat A key to be sure the G# key isn't being held open and also is a safety measure should the pads swell or shrink (although that's not a problem with cork pads).
Former oboe finisher
Howarth of London
1998 - 2010
The opinions I express are my own.
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Author: electricbird
Date: 2014-01-07 03:29
Thanks! That did help a lot. But it seems that if I loosen it enough to leave a gap, the screw is slightly sticking out and it seems rather loose -- is that okay?
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Author: Chris P
Date: 2014-01-06 22:50
You'll have to get it refitted if the head sticks out too far and it turns just by looking at it. Take it to your tech to have the screw refitted - they may add thread locking agent to prevent it from turning under its own accord.
I shorten adjusting screws by mounting the heads in my bench chuck and file them down while they're spinning. I also prefer to fit a nylon tip to the throat G#/A screw and that's done by drilling into the tip and glueing a piece of nylon filament in there, then trimming the excess and filing the nylon down so it forms a dome.
Always best to have a slightly domed and highly burnished tip to any adjusting screw so there aren't any sharp edges, flats or angles which will make adjustment and the action iffy.
Former oboe finisher
Howarth of London
1998 - 2010
The opinions I express are my own.
Post Edited (2014-01-07 03:51)
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Author: pewd
Date: 2014-01-06 23:13
Metal - put a drop of loctite on the threads
One of the nylon (plastic?) ones - put a drop of nail polish on the screw head
(after you've adjusted it and play tested the instrument).
- Paul Dods
Dallas, Texas
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Author: Garth Libre
Date: 2014-01-07 16:26
How to you manage to drill a hole into the tip of the adjusting screw? It seems that even if you filed the screw tip down flat, the drill tip would still wander.
Garth, 305-981-4705. garthlibre@yahoo.com
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Author: Chris P
Date: 2014-01-07 12:12
You have to either use a 1mm centring bit with the screw mounted in a lathe chuck and that won't wander off (provided the screw head isn't damaged), or better still is to make a guide from steel rod which is drilled through and tapped with the same thread as the screw on one end (which fits onto the screw whilst the head is mounted in the bench chuck), then a 1mm hole through the other end so a 1mm drill will centre on the tip every time.
Former oboe finisher
Howarth of London
1998 - 2010
The opinions I express are my own.
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