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Thread: Weihrauch hw80 Piston Sleeve PTFE

  1. #1
    Join Date
    Mar 2005
    Location
    northwich Cheshire
    Posts
    706

    Weihrauch hw80 Piston Sleeve PTFE

    How do i put this in the piston without it sliding too and thro, do i put a lip on it or something, if so whats the best way to do this
    Gunless

  2. #2
    Join Date
    Nov 2008
    Location
    Preston
    Posts
    1,134
    cut little triangular notches along the front edge, fold over the spikes left so that the end of the spring or top hat if youve done that bears on them and traps the sleeve.

  3. #3
    Join Date
    Apr 2012
    Location
    Retford, Notts
    Posts
    5,971
    Yep,
    Jim Tyler wrote an article on that very subject maybe 1 1/2 - 2 years ago in AGW.
    If you've not got the PTFE yet, try direct plastics online.
    A steel sleeve would no doubt be harder wearing and many have succeeded using beer/soft drink cans.
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  4. #4
    Join Date
    Nov 2008
    Location
    Sheffield
    Posts
    182
    I also put in a steel washer to cover the tabs of the piston sleeve then a delrin slip washer.
    That makes sure the slip washer is baring down on something flat & smooth & then so is the tophat as it bares on the slip washer.

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