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Old 10th January 2015, 02:20 PM
daiboy daiboy is offline
Join Date: Sep 2014
Location: wales
Posts: 57
Default O ring seal in air cylinder

Originally Posted by Barry View Post
I thought the seal on mine was the problem and changed that 'O' ring. I thought the leak had been cured. However, when I sold the gun, the buyer told me it was still leaking

Very fortunately, he was a thoroughly nice bloke who also knew a thing or two. It turned out to be a leak from the reg!

If you look at the reg on those. It's joined halfway along its length. The guy separated the two halves, resealed and reassembled and all was fine.

If it still leaks after the new 'O' ring. Strip the gun so that the action and air cylinder are out of the aluminium, with the air cylinder attached. Put some soapy water around the joint of the reg, if it bubbles, it leaks.
Thanks for the info
the seal is at end of life it has a little bit broken off on the inside of it where the regulator intake stem joins the cylinder.
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