Author: Chris P
Date: 2007-01-17 07:40
There are no screws on clarinets that adjust key height (unless you have a Marigaux!) - the only adjusting screw you're most likely to see is the one to adjust the amount of play between the G# and A keys, and there should always be a tiny bit of play between them.
Key height is only adjusted by altering the cork and felt thickness, and by bending keys.
There are some screws you can tighten up without the risk of the keys binding up - the speaker key, throat G# and A keys, the side keys, the cross Eb 'sliver' key and the C#/G# key on the top joint, and the LH levers and F/C and Ab/Eb keys on the bottom joint.
Where you have point screws, these usually have some degree of adjustment in them so you can tighten up the action on longer keys if you feel there's too much end play - but on plastic clarinets fitted with point screws, don't tighten them up so the keys have no end play as they'll all bind up when it's cold. The top joint rings are mounted between points as well, only the screw passing through the upper ring barrel has a point on the end and on some clarinets this screw has some amount of adjustment, as does the point screw on the double-headed pillar that supports both the C#/G# key and the 2nd finger ring.
Pivot screws (found on Bundy and B&H clarinets) can be tightened as the bearing surface is parallel.
B&H 1010 clarinets have rod screws throughout, so these can all be tightened.
Former oboe finisher
Howarth of London
1998 - 2010
The opinions I express are my own.
Post Edited (2007-01-18 07:08)
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The Clarinet BBoard
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