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Old 09-10-2018, 06:45 PM   #857 (permalink)
y0da900
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Join Date: Oct 2007
Location: Plattsburgh, NY

A constant leak from the empty barb is, most frequently, the 3-way accidentally being plumbed incorrectly. Never block the empty barb once it is properly plumbed, as it needs to exhaust through it.

https://www.clippard.com/part/SMAV-3

Looking at the picture of the valve, your air supply needs to go into the port labeled N.O., and the port labeled OUT goes to the air fitting at the back of the breech.
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