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Old 08-21-2011, 07:21 PM   #1 (permalink)
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Tank unscrewed from the reg.

While playing today a friend of mine left midgame because of a leak, turns out his carbon fiber bottle backed off from the regulator. We let the air leak out of it untill it was empty and now we're just wondering what to do. It's a fairly fresh Geurrilla 45/4500 with a G2 on it born 1/10 and purchased new earlier this year. Seldom used never abused, do we send this to Geurilla directly or can we just slap a little blue loctite on it and screw it back on if there's nothing wonky with the threads.
We're in northern Canada so it's a bit of a pain in the *** sending stuff away.
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Old 08-21-2011, 08:08 PM   #2 (permalink)
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Clean the threads off both in the tank and on the reg and screw it back in as hard as you can hand tight. Fill it up with air and it shouldnt loosen up again until its out of air.
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Old 08-21-2011, 08:45 PM   #3 (permalink)
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I know it is a pain in the *** but get it inspected by the manufacturer or at least a qualified tech. And by qualified tech I mean a certified airsmith, not the 17 year old at your local PB shop. A qualified tech will know what to look for. Is the reg defective? Is the tanks defective? Something else? get an expert to diagnose it.

Even if you only fill a tank to 3000 psi there is a tremendous amount of energy in the tank. The potential for harm is immense.

Don't cut corners with safety when you are dealing with pressure vessels.
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Old 08-21-2011, 08:46 PM   #4 (permalink)
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so its somewhat normal for this to happen? cause its freaking me out on my guerilla 70/4500 and my Empire 47/3000 steely they try to back off the tank sometimes...
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Old 08-21-2011, 08:48 PM   #5 (permalink)
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No its abnormal. Its likely due to manufactures of paintball tanks not following the typical instructions for tank assembly. Most notably using WAY too much blue loctite and barely screwing the reg in. Those chinese 12 year olds are weak from hunger.
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Old 08-21-2011, 08:57 PM   #6 (permalink)
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There is a specific torque valve specified for these tanks, I cant remember it.

I should have said before, watch out for thread deformation as well after to clean it off. The threads may have deformed when it spun out making either the tank or the reg a paper weight.
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Old 08-21-2011, 08:59 PM   #7 (permalink)
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Call the manufacturer.

On some tanks, the reg is not loctited on so it can be removed for airtravel. My tanks reg is not loctited on, I just make sure it is tight before filling it and degass the marker before removing the bottle.
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Old 08-21-2011, 09:40 PM   #8 (permalink)
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"I should have said before, watch out for thread deformation as well after to clean it off. The threads may have deformed when it spun out making either the tank or the reg a paper weight."

call up the manufacturer, send it to them. if THEY didn't install it right it's there problem if the threads are not to spec. there is a tolerance on the threads and IF you back out your reg under pressure you can remove material from the threads and then the threading is not to tolerance making it so that the tank will at some point blast off your reg and seriously hurt you.

if a tank reg is torqued donw to correct specification then you will need NO locktite.
blue or even red is not bad if used properly BUT do you know how to use it properly?

get the experts to fix it
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Old 08-21-2011, 10:28 PM   #9 (permalink)
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Yeah I remembered a Geurilla rep cruises these forums as well so I fired off a PM and hopefully we will get a response in this thread on what to do, I might give them a call tomorrow if I dont get a response by mid afternoon.
I cant see there being any issues with the theads on the bottle, it only backed off enough to only just start leaking.
We havent unscrewed it at all or anything but I imagine it just backed off due to recoil, likely no loctite was used on the threads and I wasent sure if there was a need for loctite or a what loctite to use (I'd assume blue not red unless there was a special loctite for the carbon fiber, I dunno...)
I've heard of people unscrewing their reg's from their bottle's for airline travel as well so I figure it might be fine for us to to just do it up.
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Old 08-21-2011, 11:33 PM   #10 (permalink)
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If you can get me some pictures send them to Benn@guerrillaair.com and we can go from there.

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