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Etek 3: Small leak down barrel


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#1 ShadowPB

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Posted 09 March 2011 - 08:55 PM

Well the other day I noticed the leak down the barrel so I looked in my manual to troubleshoot it. The 2 things they said to do was replace the exhaust valve and replace the orings the rammer housing. I have done both and the leak remains. Any suggestions?

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#2 Danny D

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Posted 09 March 2011 - 09:53 PM

You might need to get the valve serviced. The cup seal may have a leak. Especially if the bolt is cocked fully back when the leak is occuring. Its a valve problem, not a rammer problem.

#3 TheGuy

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Posted 09 March 2011 - 09:55 PM

Remove the bolt with the gun aired up and see if its a leak from the hole from the valve, or from the rammer. Also try replacing the back rammer orings.


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#4 PieCars

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Posted 09 March 2011 - 10:08 PM

This happened to me, not the same gun but the same problem. It was my cup seal. It hadn't been seated correctly in the factory so when i went to shoot it, it scratched the cup seal. Put in new cup seal, and my problem was solved.

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#5 ShadowPB

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Posted 10 March 2011 - 01:57 AM

You might need to get the valve serviced. The cup seal may have a leak. Especially if the bolt is cocked fully back when the leak is occuring. Its a valve problem, not a rammer problem.



This happened to me, not the same gun but the same problem. It was my cup seal. It hadn't been seated correctly in the factory so when i went to shoot it, it scratched the cup seal. Put in new cup seal, and my problem was solved.


Which part is the cup seal exactly? I replaced the part the rammer hits already(its called the poppet right?)

Edited by ShadowPB, 10 March 2011 - 04:53 PM.

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