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Dukemeister
 Post subject: Artemis M11 reseal help?
PostPosted: Sun Apr 02, 2023 7:29 pm 
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Posts: 4167
Location: Kingston, ON
My Artemis M11 has a slow leak.
It leaks out from a full fill at 3000 psi to nothing over about 3 weeks. Any likely suspects, or is it just a matter of tear apart and lube clean replace seals?

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pistolero
PostPosted: Sun Apr 02, 2023 7:38 pm 
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balloon test on the fill end and barrel end to isolate poppet and fill end issue
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Dukemeister
PostPosted: Sun Apr 02, 2023 8:09 pm 
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Ack, that's my first line of defence. I'm also wondering about the "bleed screw" seal. Mybe I'll get some snoop in there, and also the LP gauge.


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artemis covered.jpg
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5dotrz
PostPosted: Thu Apr 06, 2023 9:49 am 
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Location: South River, Ontario
Could be the degas screw or (as was in my case) the regulator gauge. Try giving it a bit more tighten and it may fix it, if it doesn't probably the gauge itself. Found mine by filling and laying in water in tub.
Dave

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Dukemeister
PostPosted: Thu Apr 06, 2023 10:44 am 
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My muzzle balloon inflated a little bit, so I suspect it's the poppet seal. But i will tear down and clean her up. It's a nice rifle, just needs some TLC.

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Dukemeister
PostPosted: Thu Apr 06, 2023 4:22 pm 
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I have dissembled the poppet, cleaned and lubed it and reassembled. Of course it's holding air... but I'll have to put it away and come back in a month or so to see if I fixed the slow leak. Thanks for advice and input.

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Dukemeister
PostPosted: Sun Apr 09, 2023 9:26 am 
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Dukemeister wrote:
I have dissembled the poppet, cleaned and lubed it and reassembled. Of course it's holding air... but I'll have to put it away and come back in a month or so to see if I fixed the slow leak. Thanks for advice and input.

Well I didn't need a month. Good news is the muzzle balloon no longer inflated, nothing, nada. But pressure had dropped from 200 bar to 150 bar since I inflated it, like 3 days ago. So I went snooping (BTW Snoop is a commercial product for finding leaks is pneumatic lines and fittings, but I just use dish soap in water). It was easy to find the leak and I have now replaced the bad o-ring and it's no longer leaking at the regulator joint. :D :drinkers:
https://youtube.com/shorts/CV_Tb6DCDGI?feature=share

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wesb2007
PostPosted: Sun Apr 09, 2023 12:02 pm 
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Oh good!

Sent from my SM-A536W using Tapatalk

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Daryl
PostPosted: Sun Apr 09, 2023 12:59 pm 
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Location: P.G. B.C.
That worked!!

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Dukemeister
PostPosted: Mon Mar 11, 2024 6:03 pm 
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I just pulled out my M11, it's been at the back of the cabinet for nearly a year. I put it away with 200 bar in it after fixing the leak last year. It still has 200 bar in it! Yay....
So it goes to show you, a properly sealed and working PCP will hold pressure... for at least a year.

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Daryl
PostPosted: Tue Mar 12, 2024 1:10 pm 
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I got mine out a few days ago and it was still filled to 200 bar. I had stored it at 200 bar, a number of years ago, so fired a few shots to check zero.
I refilled it to 200 bar. I should sell it as I don't use it, BUT - maybe I should keep it just because. It is a full power, .25. Just thinking, it was the first
gun I bought from WesB - before covid and hadn't been shot since the year I bought it from him - just sitting in the lockup.

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