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-   -   Mag leak diagnosis help FIXED THANKS (http://www.mcarterbrown.com/forums/air-gun-designs/230713-mag-leak-diagnosis-help-fixed-thanks.html)

zacgodwin 04-05-2013 11:33 PM

Mag leak diagnosis help FIXED THANKS
 
Got a new mag off longbeard*EDIT* it was advertised as leaking, i knew what i was getting: and i air it up, and it leaks bad through the gt grip. i bypass it and go directly into the valve and it seals fine after a bit of oil. then i go to shoot it and the trigger will not recock and air rushes out the barrel. Do you know what ring/part specifacally i would need to change out. i only have a used set of rings from my last rebuild and i dont want to change them all bc its sealed now until i shoot. Thanks for the help.

need4reebs 04-05-2013 11:43 PM

did you look at all the o-rings and/or check to see if everything is assembled correct?

is the rail bushing in tha rail?

an pics?

adam45 04-06-2013 12:46 AM

If its not resetting and leaking, reset the bolt with a barrel swab.

Remove the valve and check the length of the bolt spring and see if when its on the bolt its 1/4" or more longer that the bolt. It sounds like your spring is weak and not resetting the bolt properly.

Another problem could be body alignment. Look for the rail bushing as need4reebs said. Also check the front frame screw and field strip screws are hand tight only.

Possibly the barrel detent is to tight, throwing the body alignment off, remove the barrel and try a few shots.

Conserve air it might take a minute to figure this one out, lol.

zacgodwin 04-06-2013 01:02 AM

pics up the assembly as it sat in the gun. also the sear has some rust but the edges seem sharp and unaffected and erm a little embarassing but this pin next to the sear has fallen from somewhere, rail i think. http://i1340.photobucket.com/albums/...ps91fa83f6.jpghttp://i1340.photobucket.com/albums/...ps0f701de6.jpg http://i1340.photobucket.com/albums/...psf7866f82.jpghttp://i1340.photobucket.com/albums/...ps693085fe.jpg

zacgodwin 04-06-2013 01:13 AM

the rail as it sits now. the barrel pin is in and the bolt spring seems to have some life to it. http://i1340.photobucket.com/albums/...ps1ccaf0a7.jpg

zacgodwin 04-06-2013 02:57 AM

so cleaned it all and same deal. i was able to push back on the bolt and get it to reseal. i changed the bolt and the same problem. sounds like bolt spring still. any other ideas?

Laku 04-06-2013 04:09 AM

Might also be the powertube spacer being too short, try the next size to see if it fixes the problem.


here's the lvl 7 manual

JKR 04-06-2013 09:01 AM

In the on/off assembly, you do have a small teflon oring in there that fits inside the larger oring pictured, right? AGD calls this the "top" area of the on/off area but when you assemble, it would actually be in the bottom of the stack of parts and goes inside the larger oring pictured.

zacgodwin 04-06-2013 09:39 AM

Quote:

Originally Posted by JKR (Post 2676386)
In the on/off assembly, you do have a small teflon oring in there that fits inside the larger oring pictured, right? AGD calls this the "top" area of the on/off area but when you assemble, it would actually be in the bottom of the stack of parts and goes inside the larger oring pictured.

yes the small white teflon o ring is present. thank you

zacgodwin 04-06-2013 09:41 AM

Quote:

Originally Posted by Laku (Post 2676340)
Might also be the powertube spacer being too short, try the next size to see if it fixes the problem.


here's the lvl 7 manual

will do, thanks


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