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Thread: PCP Filling - Fill Adapter Seals and Threads

  1. #1
    Join Date
    Aug 2013
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    Manchester
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    PCP Filling - Fill Adapter Seals and Threads

    Reading some conflicting information regarding whether or not to use any form of lubrication on o-rings and threads on fill adapters. Talking of miniscule smear of safe products to help o-rings seal/avoid tears, and avoid wear on threads.

    The guidance from Bisely states NONE at all:

    http://www.bisleycountryblog.co.uk/h...ng-a-cylinder/

    Other sources advise occasional fractional amount of silicone grease on o-rings - but of course must avoid any contact with metal parts/threads.

    Other sources advise use of 'Special Gun Grease' (e.g. Feinwerkbau) possibly on seals and threads.

    Appreciate your views on best practice.
    Treat Others As You Would Wish To Be Treated.

  2. #2
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    FWB grease is used on their v expensive guns.
    Best fittings sell lube for probe o rings.

    I have used a bit of the latter on a BSA probe to ease it ,and a friend highly recommends FWB grease.

    Generally I don’t bother.

  3. #3
    Join Date
    Aug 2013
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    Quote Originally Posted by gingernut View Post
    FWB grease is used on their v expensive guns.
    Best fittings sell lube for probe o rings.

    I have used a bit of the latter on a BSA probe to ease it ,and a friend highly recommends FWB grease.

    Generally I don’t bother.
    Thanks for the response. Certainly less is more with these things. I suspect the Bisely guide takes the view that if it not essential, leave it alone for risk of it attracting dust/dirt or the risk of using inappropriate grease.
    Treat Others As You Would Wish To Be Treated.

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