valve issues...

If by shelf you mean wall, as in a display model, then it could be damage due to excessive dry fire by customers who want to see the gun.  Or maybe the seal in valve dried out a bit.

I don't believe that this will be hard to fix either way.

The first thing I would try would be to take the left reciver half off and pour a dozen or so drops of silicone gun oil directly into the hole that pin comes out of in the valve while pushing the valve in and out with your finger.  Work the valve for a little bit longer to make sure the oil works its way into the seals.

The gas it up and try again.

If that doesn't work, I would dissassemble the valve and inspect each seal looking for debris stuck in there (clean it out) or for damage to the seals (just replace individual parts).

i really cant tell you, but no more thn 5 or 6 thousand (and that is prolly way over guesstamating it)

Hmm,

If you are thinking about "Flushing" anything out of your valve with oil , there would be an easier alternative :

Remove your barrel and CO2 tank , invert the marker and put regular lubricating oil into the ASA , like you were oiling the internals , but about 3-4 times as much oil , screw the tank back on and dry fire the marker about 40 times , repeat this once or twice and have an old , but clean towel covering the front of the recievers so you can see if you are blowing any debris out .

This should flush anything thats loose out of your valve , but you'll probably have to dry fire it quite a bit to remove the majority of oil from your system before putting your barrel back on .

If you keep the marker inverted while you are dry firing it , you will also feed liquid CO2 , which also may help flush out any foriegn bits and pieces from the air system . Be CAREFUL of your hands when doing this , liquid CO2 will cause frostbite almost instantly on contact with skin !!

Edited by Shadowminion - 16 September 2006 at 9:17pm

monk- i really dont know, but i know that its NOT the gas line (ive locitied it, thought that leaked, and took that of and tefloned it) i cocked it and it did leak.  

bandit-it was a display, but i doubt it got fired THAT much ( it was out of a brand new 98 ACT)

A buddiy of mine had the same proble. He bought his 98 custom. played 2 games with it and put not more than a case through it before it started leaking out of the valve. I tried all of the above and finally had to resort to changing the valve o-rings. Now it works great, so it could just be one of the o-rings.