GTA

Airguns by Make and Model => Cometa Airguns => Topic started by: eng.amg on September 05, 2018, 08:36:33 AM

Title: Cometa lynx Problem
Post by: eng.amg on September 05, 2018, 08:36:33 AM
Hello everyone,
my lynx 0.22 had a problem in the check valve that allows the air to come out after refill.
i did replace the O ring of the check valve and that problem solved.
But after that i found that there's air leak in the barrel when i take a shut, right behind the barrel.
I did check the barrel is installed in the right place and the screws is ok.
any help!!
Title: Re: Cometa lynx Problem
Post by: OleTomCat on September 05, 2018, 12:42:23 PM
Sounds like your valve isn't seating correctly, did you remove the main valve poppet when you took the gun apart?  If not you may need to and replace the seal material.  You should be able to get the parts shipped to you directly from the manufacturer or a local distributor in your country....
Title: Re: Cometa lynx Problem
Post by: eng.amg on September 06, 2018, 09:25:15 AM
Now i took the gun apart and tack out all O rings in the barrel and that small yellow part behind the barrel, I bought a new O rings and will replace them all today.
But i don't know if you mean that valve in the tube between the barrel and the air cylinder?
if yes i didn't remove it.
Title: Re: Cometa lynx Problem
Post by: eng.amg on September 06, 2018, 02:20:28 PM
I did replace the O rimgs in the barrel and the metal yellow part behind the barrel, "I don't know what it's name" :)
now i found when i take a shot, that the air comes out from that part in the red circle in the picture.
what cause that ?
Title: Re: Cometa lynx Problem
Post by: OleTomCat on September 06, 2018, 02:30:19 PM
Sounds like you either lost or didn't install the breach seal or transfer port seal correctly...
Title: Re: Cometa lynx Problem
Post by: eng.amg on September 06, 2018, 04:03:32 PM
Can you send a picture for that port. i can't tell where's it
Title: Re: Cometa lynx Problem
Post by: OleTomCat on September 07, 2018, 02:49:47 AM
Here's an exploded view of all of the parts, I believe #50 is the breach seal, the descriptions are in a language I don't know.

(http://airgunz.altervista.org/Esplosi/Cometa_Lynx_esploso.gif)
Title: Re: Cometa lynx Problem
Post by: eng.amg on September 07, 2018, 03:22:11 AM
Thank you very much for this picture i really need it. but the barrel O ring #50 is installed i'm sure about that. i was going to replace it but i didn't find it in the store. is there's any o rings else may cause this problem.?
Title: Re: Cometa lynx Problem
Post by: OleTomCat on September 07, 2018, 03:28:14 AM
There should be a seal where the air travels from the valve to the barrel, that's called the transfer port, I can't tell from the diagram where it is.
Title: Re: Cometa lynx Problem
Post by: eng.amg on September 08, 2018, 04:30:06 AM
From the diagram i see there're three O rings can cause this leak. #80, #50, and #4
#80 has been replaced, as i don't see any damaged in #50 and #4 I didn't replace them. but seems i'll just for sure.
I'll search for them in another store tomorrow. Hope it'll solve the problem. :)