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    BRNO Aeron B98 PCP Repair

    Thanks for the additional input. The sizes listed in the parts breakdown are something like this: O-ring (9x5), O-ring (4x1.5), O-ring (3x1), and so on. Knowing nothing about O-ring sizing I researched metric O-rings on line and found that all listed three dimensions, i.e., the outside...
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    BRNO Aeron B98 PCP Repair

    I ordered the O-rings from SureShot Airguns in the UK. Here's their website. https://sureshot-airguns.co.uk After replacing all the O-rings in my Aeron B98 I had several larger sizes left over. Or maybe I missed some? Can't say for sure, but the gun holds pressure with either of the...
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    BRNO Aeron B98 PCP Repair

    Hi again - Well, STO, you were right on the money. I cocked the gun, attached the cylinder, and everything worked as advertised. I just checked it this morning and it held pressure overnight, so it looks like I got it right after all. Thanks so much for your suggestion. Dennis
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    BRNO Aeron B98 PCP Repair

    Thanks, AirNGasman. As suggested above, I SHOULD HAVE cocked the gun before attaching the cylinder. If that doesn't work, I'll contact Pomona Airguns. Dennis
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    BRNO Aeron B98 PCP Repair

    Thanks, STO. You aren't patronizing at all. I did NOT cock it before attaching the cylinder, so it's back to the bench this morning to try that. I didn't realize that was necessary. I'll post again after trying that. Thanks again for your advice. Dennis
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    BRNO Aeron B98 PCP Repair

    Thanks for your input, marflow. I did take lots of pics and I THINK I was careful to assemble it correctly. However, Murphy's Law always pertains. Another poster suggested I ensure it's cocked before putting the tank on and I'm certain I did not do that, so back to the bench for another try.
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    BRNO Aeron B98 PCP Repair

    Hello to all, I'm a new member and I'm looking for someone to do some repair work on my Aeron B98. It's a five shot PCP repeater made in the Czech Republic and I SUSPECT it's not longer made. I bought it years ago from Don Nygord to help me practice NRA Bullseye timed and rapid fire. Lately...