QB Chief fill adaptor leak

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Sharrins

Post subject: QB Chief fill adaptor leak

Posted: Sun Jan 28, 2018 9:11 am

Joined: Tue Jul 13, 2010 1:58 pm
Posts: 85
Location: Ottawa . Ont.

Morning everyone. Just purchased the Chief in .22. This is the second gun that I have received, had to return the first one because it wouldn't take any air. It would blow right through and come out the barrel. This second one will take the air but leaks at the fill adaptor and is empty in 20 minutes ,is it the seals,or does the adaptor have a valve built inside and not repairable . I haven't worked on pcps yet and would like to repair it myself. I know there's not much to them . Any suggestions would be greatly appreciated. Shaun.

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R-Gun Pete

Post subject: Re: QB Chief fill adaptor leak

Posted: Sun Jan 28, 2018 11:00 am

Joined: Tue Oct 18, 2011 12:21 pm
Posts: 606
Location: Ontario

Hi Sharrins.

I bought a Qb Chief a few months ago and experienced a slow leak.

After having read this review, I had an idea where it was coming from.

https://www.airgundepot.com/head-to-hea ... ticle.html

Check the overall contruction section for the QB and the guy found a leak at the filling nipple.

Verify with soapy water if it seems to becoming from the same place and if it does, try to screw it in just a bit more. Just use enough tension to stop the leak.

Good luck.

R-Gun Pete

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Sharrins

Post subject: Re: QB Chief fill adaptor leak

Posted: Sun Jan 28, 2018 7:45 pm

Joined: Tue Jul 13, 2010 1:58 pm
Posts: 85
Location: Ottawa . Ont.

R-Gun Pete wrote:

Thanks R-gun Pete. I tried that and it still leaks . Me thinks it's the seal on the valve stem . It's an easy fix , but I'm sending it back one last time. Hopefully third time's a charm. Lol..

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Bernardo C.

Post subject: Re: QB Chief fill adaptor leak

Posted: Thu Mar 01, 2018 9:57 pm

Joined: Thu Mar 05, 2009 9:53 pm
Posts: 499
Location: Mississauga, Ontario

Hi guys,

I bought one about 7 months ago having the same slow leak problem. I replaced the quick fill adapter with a m10 x1 high pressure fill valve with bonded seal washer which I bought from www.bestfittings.co.uk. You just tightened it in with the washer and that's it. Since then, the gun was fixed and has never leaked up to now.

Cheers,
Ray

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