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Hw 80 seal fit

Discussion in 'Anything Airgun Related' started by gixxer, Sep 5, 2014.

  1. gixxer

    gixxer Posting Addict

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    I've had my 80 apart last few days and just noticed the main seal although it is a hw type doesn't seem to sit well on the piston.
    Basicaly once fitted the back face on the seal isn't against the face of the piston and it will move back either one side or the other like it's not deep enough or loose in some way IDE guess .50mm gap
    Is this normal or possible worn seal .

    :confused:
     
  2. landymick

    landymick Very Active

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    A bit of play is fine,some of mine are loose ish & have no ill effects,if it shoots consistent don't worry about it.
     
  3. gixxer

    gixxer Posting Addict

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    Thank you .
    just measured the gap between rear face of seal and flat of piston top ,it's just short of .50 .
    looking closer at the seal it looks like it may need replacing anyway. Dispite it was reasonably consistent and no burning .
     
  4. landymick

    landymick Very Active

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    Now may be a good time to try a new HW seal or other brand & see how it compares.
     
  5. gixxer

    gixxer Posting Addict

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    Any suggestions which,genuine may be a safe bet, v mach arnt cheap , don't like ptfe types seen some red ones on net but I'm sure I read their sticky .
    Just finished making a couple of brass friction washers .
    May do the transfer seal too but again a few types original,Terry Robb lists two sizes 're depth ,and again a red one on the net bid site .
     
  6. landymick

    landymick Very Active

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    I like standard ones but also use v mach which are good.Not tried the red ones myself.Heard good reports on Vortek which i have but not tested yet.I've only used standard breach seals these work fine.
     
  7. 177

    177 Donator

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    Location:
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    Vortek
    New Weihrauch
    V-Mach
    Old Weihrauch

    In that order of preference.

    Fundamentally there is nothing wrong with a Weihrauch seal and the new ones are really nice.
     
  8. gixxer

    gixxer Posting Addict

    Messages:
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    Location:
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    Picked up afew seals ,new hw type so I will hopefully feel a difference from the old type if not see it after a few strings.
    Strange though no one had any hw transfer seals ,so need to try another shop or pay daft postage off net.

    Looking at hw seals compared to v mach and othercustom seals I do like the type with a raised ridge upon rear of seal kind of like tyre rim protectors but have they a purpose ?.

    Thanks again guys for sharing your knowledge and experiance with hw seals .
    Appreciated
     

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