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Question:

Whats wrong with my trumpets third valve slide!?

I just got my trumpet today.And its playing fine.Now its not playing.When i play im blowing air into it but its not going through.Its like im trying to blow air through solid meatel.and everytime in blow into it.The slide with the ring on it (sorry i just got the trumpet,im not really sure what the parts are) it keeps falling off.Its like its waay too loose.Help please

Answer:

get it back to the store where you bought it or to a repair shop. This is a very unusual thing.
umm i'm not sure, cuz i play the clarinet but try tighning the mouth peciec and make sure your forming your lips right. then go to the place you bought it or you local music store to find out what's wrong. good luck and Merry Christmas!
instead of the standard cheapo trumpet grease, try a more generic brass instrument oil. also make sure you aren't tightening the valve screw cap too tightly. it's not a good idea just keep tapping it. also, unwanted moisture can create a seal that will sometimes inhibit the valve from popping back up. get it dried out as much as you can. also, don't use too much of anything - the oil, the grease, etc - excess will keep it from popping out too.
I'm betting you removed the valves and re-installed them incorrectly. Your valves should be numbered 1-2-3 from front (mouthpiece) to back (bell). If they are not in that order remove and re-install. You also need to make sure that the valve guide is properly seated into the slot in the valve casing. If you can rotate them they are not properly installed. On some trumpets it is possible to install them rotated 180 degrees from the proper position. The numbers on the valves should all point in the same direction--probably facing the lead pipe or the mouthpiece. Regarding the 3rd valve slide--it should move easily, but should not blow off when you try to play--symptomatic of a valve alignment problem. You should keep a finger in the ring while you play, but a little slide grease or vaseline will keep it from falling off.

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