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TMX Release HELP?

Discussion in 'Uncategorized Threads' started by 682Fan, May 22, 2007.

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  1. 682Fan

    682Fan TS Member

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    Jan 29, 1998
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    On my TMX release trigger, what size allen key doI need to adjust the set pressure? Presently set too tight (by someone else), takes more pressure to set the trigger.

    This is the very small allen screw in rear behind trigger. i suppose this is metric. I tried my smallest-1.5 mm but its too large.

    Thanks
    arnie
     
  2. 682Fan

    682Fan TS Member

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  3. ANTRIM UDF

    ANTRIM UDF TS Member

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    On mine I took it (the trigger) to the Valu Home Hardware, or similar, in their fastener dept. they have a tray of varying Allen wrenches, I kept trying them until I found the one that fits.
     
  4. 7571

    7571 Well-Known Member

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    Not trying to be a smart-ass,,but,,if you can't figure out the right size allen wrench, I don't believe you should be messing with ANY adjustments.
     
  5. GunDr

    GunDr Well-Known Member

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    I don't install releases on Perazzis but I've worked on a lot of them. Those that have a set screw are either 1/16" or a .050".

    Now, before going on and adjusting that screw, let me warn you that the screw isn't for adjusting the "set" pressure. It's there for taking the "pre-play" out of the trigger.

    If you adjust the set screw in an attempt to "lighten-up" the "set", what you're really doing is partially dis-engaging the sear from the hammer notch. This isn't a good thing. There is the possiblilty of the gun going off from closing the gun a little too hard, or having an accummulation of grud getting into the hammer notch.

    The proper way of adjusting the set pressure is the same as adjusting a pull trigger. That is reworking the sear nose, as it fits in the hammer notch.

    Doug Braker
     
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