Broken Valve Stem on a Bach Stradivarius Trumpet: How To Remove and Replace It

This is a video about how to remove and replace broken and corroded aluminum alloy valve stems.
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[@WillowsGarden]

Good job Art, very tedious work. Have a blessed night!

[@dartme18]

I don't think I've seen a video on your channel for loose tuning slides. I have a loose tuning slide and wondering how to fix it. Excellent content!

[@TheBrassandWoodwindShop]

I have not done a video on that yet. You can use a tuning slide expander, but you have to be very careful not to expand it too far which is very easy to do.

[@dartme18]

@@TheBrassandWoodwindShop Maybe I should send my horn to you so you can do a video!! ;-)
Where can I get a tuning slide expander? I'm very new to instrument repair, and the only tools I have at this point are steel wire, a torch, and solder. None of these seem like the right tool for this job!

[@TheBrassandWoodwindShop]

If you would like, you can send it to me so I can do a video. Give me a call if you would like to do that and we can work out the details.

[@mr.schwall6144]

I’ve used the saw method you demonstrated but have also had a bit of success with modest heat, penetrating oil and using a screw extractor. Thx for your videos - as always very helpful.

[@TheBrassandWoodwindShop]

Thank you for mentioning that. It would be good to start with what you mentioned and move to the other method if it is too stuck.

[@carolhenstock8008]

Have you ever tried ultrasonic cleaning ? Pj
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[@Ti_Ti_ta]

Seems like all parts are a long wait right now. Some instrument orders are even worse.

[@tedmcdowell4790]

How about boiling the aluminum out with hydrochloric acid? Would it compromise the integrity of the brass casing?

[@TheBrassandWoodwindShop]

I do not know if that would work or not. It may eat away too much of the brass, but I am not sure'

[@TheeMilesMonk]

I have a getzen 700 eterna with a broken valve stem. All I have to do is unscrew it and replace it. However idk if all valve stems are the same size thread. Or will only Getzen valve stems work?? Anybody know?

[@kellyfowler6615]

I don't think so. I bought a valve repair kit for my daughter's Getzen 700 and some of the parts, including caps were the wrong size.

[@paulgrimm6850]

That must be a old horn