GTA
General Discussion To Gateway To Airguns => The Shop => : frank70 February 10, 2009, 02:07:11 AM
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How do you make them and what do you make them out of?
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http://www.pyramydair.com/blog/2008/04/shimming-diana-breech-seal.html
this is the link to vince's fix i found it to be very informative. he is a real nice guy he sent me 3 shims and after mkt seals for my 34 the difference was like night and day.
adam
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I like to use "green gardners tape"...that green vinyl tape that folks use to tie young trees to upright poles, branches, vines...you've probably seen it. I use a "hollow punch set" to make the inside and outside diameter. You can use a multitude of materials...plastic from lids, aluminum from soda cans, thin sheet metal...to name a few. Thinner is better so you can work with layers...add some shim or take some away until optimum velocity is obtained. Get some silicone oring grease and thinly lube the seal and shims too.