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Thread: Slight ReTro Hiss

  1. #1
    Join Date
    Aug 2002
    Location
    South Shore, MA
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    Slight ReTro Hiss

    Okay I switched my ReTro from one rail to the other and when I get it set up and then gas up, it makes the faintest hiss. I think its either coming from the PT or the On/Off assembly. It works fine on the rail I usually use it with. Any ideas?

    P.S

    The rail it's usually on is an Eclipse, the one I switched it to is an Automag Classic rail.

  2. #2
    Join Date
    Jan 2001
    Location
    North Shore, MA, USA
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    Does it go away if you pull back slightly on the trigger?
    If so, it a PT o-ring/spacer problem.
    "Relax. Don't worry. Have a Home Brew."
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  3. #3
    Join Date
    Jul 2001
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    It's just a tolerance issue.The next longer spacer would probably work for you.
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  4. #4
    Join Date
    Aug 2002
    Location
    South Shore, MA
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    Long time no see Tramp. Sadly it doesn't. When I put my ear up to the powerfeed hole you can hear this slight flow of air. I can't tell if its coming from the On/off assembly or if those 2 PT orings just aren't cutting it. I oiled it and it still does it so that why I posted it hear.

  5. #5
    Join Date
    Aug 2002
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    No EnW it won't. I have a .220 spacer and that leaks too much. Me and Tramp tried fixing it at AO NE day and he put in a .215 and I think a .210 spacer in it and they both leaked. I now have 2 PT o-rings in there and it the valve works like it should but it just has this little hiss I'm talking about.

  6. #6
    Join Date
    Jan 2001
    Location
    North Shore, MA, USA
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    That's right, I forgot about the two o-rings. That's what the problem is. It needs something hard for the o-ring to seal against (a spacer or spring) and another o-ring can only work so well.

    I think you're going to have to bite the bullet and get the L10 kit. $80 isn't chump change but it really is worth it.

  7. #7
    Join Date
    Aug 2002
    Location
    South Shore, MA
    Posts
    1,671
    Yea I have a Level 10 Kit and Black Blade Intelli lined up. I just need to sell my extra mag so I'll have money. I should have it soon and then my problems will quietly go away. Heh heh. Thanks for the help.

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