conn CL 2000 valve

    
conn CL 2000 valve    16:50 on Thursday, January 22, 2004          
(WAIS Band)
Posted by Archived posts

My CL 2000 valve on my Conn 88H freezes and sticks all the time no matter how well I maintain it. Has anyone else had problems with this valve? Any repair suggestions?


Re: conn CL 2000 valve    15:59 on Friday, January 23, 2004          
(Pete)
Posted by Archived posts

In order to help, I need some additional information.

How old is the horn and has it always had the problem, or did it come on suddenly.

There are a number of possible issues. If the problem came on suddenly, my first guess would be damage or foreign substances in the valve. If you had the problem starting when the horn was new, the valve may not have been fitted properly when manufactured. Also, is this valve a string action or mechanical action?

If the problem has come on over time, it is probably necessary to have a repairman dissassemble and chemically clean the rotor and casing. Build up of dried up oil, mineral deposits from water and saliva, and corrosion can hang up the best of valves. If repair is necessary, make sure the repair person also checks port alignment.

For oil, I highly recommend the Hetman brand lubricants. On your valve you should use the light rotor oil internally, and the light bearing oil on the end bearings and the thumb lever tube and spring.

Also, always make sure you have an extra spring and rotor string (if string linkage) in your case. The only time these things break is just before you go on stage.

Pete


   




This forum: Older: Tounge Technique
 Newer: Trombone Excerpts

© 2000-2024 8notes.com