Pioneer needs new seals

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Headdamage

Post subject: Pioneer needs new seals

Posted: Wed Sep 01, 2021 5:18 pm

Joined: Tue Nov 18, 2014 12:23 pm
Posts: 477
Location: Calgary

A friend just found out I was getting back into messing with air guns so he dropped off an older 1322 and a .177 Chinese Pioneer brake action springer for me to fix. The 1322 is easy but I have no idea where to find new seals for the Pioneer, they all seem to be leather. Anyone have any suggestions on where to find these? Thank you.

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Slavia 630/77 & 624, 1322, 1377, 2240, 2240/2260, WF600, Vantage .22, Falcon .22,
Talon .25, CR600W .22, PR900W .22, Stormrider .177 & sub 500fps .177,
Chaser .22, Chaser .22 HPA, Bandit/PP800 PCP .25, Artemis M11 .22, Webley Mk6 .177

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MyCrosman

Post subject: Re: Pioneer needs new seals

Posted: Wed Sep 01, 2021 6:15 pm

Joined: Thu Oct 04, 2012 10:27 am
Posts: 1433
Location: Thunder Bay,On.

Leather OEM breech seals can be replaced with o-rings instead from the local hydraulics shop....theres a way to also switch the piston seal from leather to nylon but don't know how its done...
found this...https://www.nbroadsman.me.uk/index.php/ ... conversion

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Headdamage

Post subject: Re: Pioneer needs new seals

Posted: Wed Sep 01, 2021 10:51 pm

Joined: Tue Nov 18, 2014 12:23 pm
Posts: 477
Location: Calgary

I think I might be good now. I dug out the old leather breech seal and jammed an o ring in to replace it. Then I hand cycled the piston/action a bunch with a little Crosman oil (two drops) while rotating the rifle horizontally to try and get a little oil into the whole circumference of the piston seal.

Before I did anything it averaged 330fps, now it is averaging 537fps with good snug fitting pellets.

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Pioneer2

Post subject: Re: Pioneer needs new seals

Posted: Thu Sep 02, 2021 4:52 pm

Joined: Mon Aug 13, 2007 9:04 pm
Posts: 733

http://vortekproducts.com/ourstore/inde ... duct_id=95

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lauchlin

Post subject: Re: Pioneer needs new seals

Posted: Thu Sep 02, 2021 6:01 pm

Joined: Thu Oct 13, 2005 6:52 pm
Posts: 8872
Location: Vancouver Island BC

Put some silicon oil on the leather seal let it soak it up some people use neatsfoot oil you would be surprised how good they can come back ..............

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Pioneer2

Post subject: Re: Pioneer needs new seals

Posted: Fri Sep 03, 2021 5:54 am

Joined: Mon Aug 13, 2007 9:04 pm
Posts: 733

I put a piston ,seal down in a plastic disposable cup with a 1/2" of Neat's foot oil in it from an old Hungarian pellet gun with leather seals. Left it for a week and it swelled up quite nicely after 30 years of hard use.

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