Regulator problem in my FX impact

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Carlh_lb

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Jun 9, 2016
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Hi!
2 days ago i was targeting and my regulator was set on 140 bar as usual and when i finished i took off the bottle. The second day when i installed the bottle the regulator jumped from 140 bar to 200 bar at the same lvl the bottlewas filled, so i changed all o rings and settled it back again to 140 bar.
The problem is today: the regulator was still on 140 bar but when i installed the bottle which was filled 175 bar, the regulator jumped to the same level 175 bar. When i vaccum it by shooting out the air, it took more than 10 shoots to empty it. When i reinstall the bottle, there's air synchronization between the regulator and the bottle. And if i close the regulator and install the bottle then put it on 140 bar, it stays at this level as long as use the rifle. If i uninstall the bottle the regulator stays at 140, when i reinstall it the synchronization issue occurs again. Can someone enlight me on this issue? Thanks in advance
 
the chamber between rear of the piston and to the brass adjuster oring / some call it upper oring, if the upper oring leak while the bottle is removed it will dump all the air at the bottle connection, if you have a good seal at the delrine and brass seat the remaining air in the regulated chamber will not dump because there is a pressure lock between after and before the brass seat, give it time if the pressure before the brass seat become less overtime all the air will dump.

to prevent this from happening, you must bleed the regulated chamber by firing or bleeding it down to zero after or before reinstalling the bottle. if not the reg can't regulate when you have a pressure lock on both side of the brass seat.

I notice this when I had the same issue when I was making my videos in pressure testing the reg by screwing on the bottle while I had pressure still on the reg chamber.
 
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And which one is the upper o ring? Do you have pictures about the issue? Let me tell My impact issue. My impact is leaking only when the air bottle is less than 180 bar and if I take off the bottle the reg gauge remains at 140 bar until I shoot again. If I put air to the bottle until 250 bar the leaking seems to stop but I'm Not sure. Hopefully you can tell me what can I do...
 
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