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Old 06-09-2002, 05:47 PM #1
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Leak problem...

Ok, this is kinda strange. The other day, after playing, I took my GZ apart and cleaned it all up. I took out the bolt, RAM, LPR, volumizer and reg assembly, cleaned them all. The next time I went to play, I had a leak coming from the RAM. I could hear it through the feed tube. If I pushed the bolt forward, it got louder. Fired off a few shots, leak lessens, but doesn't go away. Notice that the LPR is at 110. Depressurize, remove the LPR, remove the volumizer, (don't do anything), put them back on, pressure is now 85 and leak is much more quiet. Fire a few more shots, leak is gone. Figured it was fixed.

Went out today, getting ready for first game, same thing. Went through the same procedures as above, and sure enough, leak goes away and doesn't return for the whole day.

Anyone have any idea what this is, and why?

Thanks...
Doc
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Old 06-09-2002, 06:03 PM #2
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Cup seal will need to replaced soon. When you do install new poppet and ram orings at the same time.
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Old 06-09-2002, 06:07 PM #3
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sounds like two things happened at the same time:

1) the leak was probably your cup seal. a lot of time when it leaks down the barrel, you can help the cup seal re-sit itself by firing a few times.

2) your lpr probably spiked (to 110) because the front oring on it did seal properly when you rescrewed it back it the first time. the second time around it did the trick.

don't forget dow on all the orings.

and a little suggestion for you...you don't have to clean the gun out completely everytime you play. it will just give you more problems than you want.

the real DOC. lol.
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Old 06-09-2002, 07:10 PM #4
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Terry: That's a scary thought, this is a brand new gun, just put the second case through it.

Doc: Thanks :^) My name comes from software development, just carried it over, I'll concede the fact I'm very fresh to the maintenance/troubleshooting side of this.

Now, the only problem with the #2 explanation is... Time 1, after pulling the LPR/volumizer off, the leak stopped. I didn't take it back off before pressurizing it the 2nd time... So, it had the prob, fixed it by removing lpr/volumizer, then after about 3-4 days of non-use, pressurized it and problem was back. I'm gonna let it sit for a few days (it's working great now), and see what happens.

Thanks again guys!
(the other) Doc.
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Old 06-09-2002, 07:40 PM #5
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let us know what happens. the name thing was a joke...no prob here...just thought was funny. lol.
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Old 06-09-2002, 08:06 PM #6
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Will do. Understood about the name thing, expected it was a joke and took it as such :^)

Doc
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Old 06-18-2002, 11:27 AM #7
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Well, waited 3 days, put air to the gun, same thing. LPR is around 150, loud leak. Remove air, unscrew volumizer, put it back on, small leak, but 85 on the LPR. Fire of a few shots, everything's fine. WFT-Over?!

Anyone have a clue?

Thanks...
Doc
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Old 06-18-2002, 10:27 PM #8
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I'm not sure what the problem is, but mine does the same. I just unscrew the end cap on the LPR 2 turns before I gas it up and then I tighten it and I have no problems. Obviously something is sticking after we "cleaned and relubed" our LPRs.
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Old 06-19-2002, 01:17 PM #9
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Glad to know I'm not the only one, thanks for the confirmation.

Terry, Smoke, Vern, anybody?

Last edited by TheDOCTOR : 06-19-2002 at 01:19 PM.
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Old 06-19-2002, 01:28 PM #10
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The first oring on the LPR is leaking when pressurized quickly.
I have a new metric size oring that will fix this. Its slightly larger and does not suffer this problem

Thanks
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Old 06-19-2002, 01:30 PM #11
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Do you recommend replacing the o-ring on all single reg body LPRs?
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Old 06-19-2002, 01:36 PM #12
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Is this o-ring causing it to pressurize to 150psi? Also, remove pressure, take off volumizer/lpr (unscrew volumizer from gun), put back on, pressurize just like the first time, and all is good (85psi).
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Old 06-19-2002, 02:06 PM #13
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Yes Its a long involved process to explain what is happening--but suffice it tyo say sometimes the oring will seal and sometimes it does not. The problem lies in that the first oring holds all the HP pressure from entering the solenoid and if it does not seal-- boom you get 150 to 250 straight to the solenoid

The new size o ring will seal everytime because it is the correct size to fit slightly tight to begin with.

I gave several people some of these oring to test for me..

Marauder You out there ??? you having any spiking since the new oring install????

Not one person I sent orings to or ones I have installed here have called back to say they still have spiking problems

Thanks
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Old 06-20-2002, 01:57 AM #14
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i just simpl hated the single lpr reg housings on my gz because of that spiking problem all the time so i swapped it with my double reg housing found on the standard intimidators. no more spiking problems, looks unique, and operates at a lower pressure.
think about it.
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Old 06-20-2002, 10:56 PM #15
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we realized that the original orings were too small to give a proper seal. all new GZs that leave the production facility noew, comes with the newer metric oring.

unscrewing and then screwing back on the reg will sometimes reseal the oring and prevent the spike. use dow on it.

if the problem keeps reoccuring, send the gun to us at delta and we will see if the reg needs to be retapped.
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