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Trumpet Discussion Discuss Valve Alignment? in the General forums; Shermy, custom valve guides trimmed to fit and eventually grinding the ports to the right size and position are what ...
  1. #11
    Moderator Utimate User rowuk's Avatar
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    Jun 2006

    Re: Valve Alignment?

    custom valve guides trimmed to fit and eventually grinding the ports to the right size and position are what is required for lateral adjustment. That is why that this is work for a pro!
    Whenever I feel blue, I start breathing again.

  2. #12
    Moderator Utimate User Vulgano Brother's Avatar
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    Mar 2006
    Parts Unknown

    Re: Valve Alignment?

    Quote Originally Posted by Vulgano Brother View Post
    Ahhhh, rotaries do have their advantages. A quality champagne cork and an exacto knife do the trick quite nicely.
    "A tool good enough to be so used and not too good"
    C.S. Lewis That Hideous Strength

  3. #13
    Pianissimo User bachstrad72's Avatar
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    May 2007

    Re: Valve Alignment?

    I think Reeves does horizontal and vertical alignments. Also, doesn't Sonare have some sort of system that controls alignment? I really am trying to figure out how to swing the bread for an 800S.

  4. #14
    Pianissimo User Mr. Stomvi's Avatar
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    Nov 2003

    Re: Valve Alignment?

    Yes - Reeves does both horz. and vertical alignments.

    1. $ 175 vertical - just shims involved to (+/-) .001 "
    2. $ 175 horz. - unsoldering valve spring bodies, realigning and then resolder to somewhere maybe near (+/-) .001"

    Now here is the problem - You are still probably stuck with (+/-) .015" of side to side rotational slop because of the valve guide clearance with the valve spring body. So to do the job (Properly) you are going to need to have custom valve guides cut to match the valve spring body slot. Now you are talking some real money depending on the brand of horn you have. If it's a Bach, Yammy or Schilke - maybe there is an aftermarket supplier. If not - there is gonna be some custom machining involved. Not cheap.

    So to do it (RIGHT) you are probably looking at $ 500 total easily including shipping and labor. Not a whole lot of people are gonna be psyched up about dropping that kind of coin so they usually just half ass it and get the vertical alignment done as it's way, way easier.

    Seth Moore
    "To crush your enemies, have them driven before you and hear the lamentation of their women" - Conan

  5. #15
    Pianissimo User
    Join Date
    Jan 2005

    Re: Valve Alignment?

    Thanks All,

    I suspected as much. I just couldn't find that stated anywhere in any of the links posted above.

    If you were to get custom valve guides that got rid of a lot of the slop, wouldn't you then run the risk of having your valves jam up due to the closer tolerences in the groove of the valve spring body?

  6. #16
    Forte User mike ansberry's Avatar
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    Dec 2003
    Clarksville, Tennessee, U

    Re: Valve Alignment?

    I've read a lot of comments about the benefits of valve alignment, and I'm not doubting you guys. I have no personal experience with precision valve alignment. I align mine by sight with a mirror every once in a while, and admittedly that won't be anywhere near as precise as they get with their specialized tools. But I think Shermy brings up an interesting point. I don't know about you, but all of my horns have a certain amount of rotational play in the valves because the guides can't be precisely the same size as the slots without restricting movement. They say that errors in alignment in the thousandths makes a difference. But my valves rotate WAY more than a couple of thousandths. How can they make it maintain rotational alignment without restricting valve movement?

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