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Discussion Starter #1
So I had a "one of those days" today when my reg went through 3 o-rings. I've read that it is normal for CO2 users but I have a 68/45 tank. The o-rings aren't lasting that long either a few hundred shots if i'm lucky. Anyone have any ideas what could be causing this?

Also anyone know where I can buy those o-rings or kits for the fenix?
 

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Law
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So I had a "one of those days" today when my reg went through 3 o-rings. I've read that it is normal for CO2 users but I have a 68/45 tank. The o-rings aren't lasting that long either a few hundred shots if i'm lucky. Anyone have any ideas what could be causing this?

Also anyone know where I can buy those o-rings or kits for the fenix?
If it's really that bad there could be something wrong with the reg, but I've seen people using Co2 burst a couple in a day before. If possible, making the switch to HPA would be a good investment. If you know the exact sizes, you could buy the exact ones you need, or just buy a kit although they can be kinda expensive. Any paintball website will have plenty of sizes. Paintball O-rings
 

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Paintball?
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Check if there's any burrs, metal shavings, or something that will tear orings in the reg.

What kind of orings are you using, have you done any modifications to your marker, and is it still under warranty?
 

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Discussion Starter #4
waL
I'm already using compressed air.

TheAznInvazn
I'll have to take it apart and check to see.
I'm not sure what kind of o-rings. I've put more then the 3 in today. The first one was the spare that came with the gun and the other 4 i've used have been from the shop I bought the gun from. They installed the all those o-rings. I haven't done any mods to my marker and still under warranty. The paintball shop I bought it from offers free lifetime maintenance so they will fix it but I used up all their o-rings today lol.

I got a question. Since it is a low pressure marker would it make much difference if I have a high pressure tank vs a low pressure tank?
 

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It won't really matter since it has a regulator on it, but I would stick with the high pressure tank just for the sake of compatibility with various other markers.
There aren't too many markers that are out that really require a low pressure tank, and unless you plan on getting one, I wouldn't get one
 

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Law
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waL
I'm already using compressed air.

TheAznInvazn
I'll have to take it apart and check to see.
I'm not sure what kind of o-rings. I've put more then the 3 in today. The first one was the spare that came with the gun and the other 4 i've used have been from the shop I bought the gun from. They installed the all those o-rings. I haven't done any mods to my marker and still under warranty. The paintball shop I bought it from offers free lifetime maintenance so they will fix it but I used up all their o-rings today lol.

I got a question. Since it is a low pressure marker would it make much difference if I have a high pressure tank vs a low pressure tank?
Misread your post... completely.;0

I was actually doing some research on the Fenix(as I was unaware it was LP!!), and came across a PBN member that said.

Reaper210 said:
the 2012 regulator is garbage. mine has gone through 3 o rings in the bottom where the piston is sealed.. get a new regulator in my opinion.. the fenix 2012 runs on low pressure, so get a low pressure reg.
and later said...

Reaper210 said:
from what i can tell, it's the design, the piston tip has a shoulder on it that i believe is passing over the o-ring multiple times. really needs to taper more with less shoulder. adjusting it up might help, but ive been so frustrated i have not messed with it.
Some people think it's because players aren't degassing the marker after play.(not sure if you do), but that could be the cause.

I don't have a Fenix and this is the first time I've heard about it, but a few clicks on google and I've found lots of crap about it. bout to go to sleep, but click around a bit and maybe you'll find your answer. Even calling Spyder might not be a bad idea.

Good luck ;0
 

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Discussion Starter #7
I did find some scratches on my piston that may be causing it. Would it be acceptable to lightly sand that with some fine scotch brite? Probably shouldn't have used pliers to pull the piston out ;0

waL
do you recall if the guy on PBN was using CO2 or air?
I do degas my gun when I pack it up at the end of the day. I knew the Fenix had reg issues when I bought it but figured I'd be fine as long as i didn't use CO2. Guess if I can't get better o-ring life then i'll look at getting a new reg.
 

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Law
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I did find some scratches on my piston that may be causing it. Would it be acceptable to lightly sand that with some fine scotch brite? Probably shouldn't have used pliers to pull the piston out ;0

waL
do you recall if the guy on PBN was using CO2 or air?
I do degas my gun when I pack it up at the end of the day. I knew the Fenix had reg issues when I bought it but figured I'd be fine as long as i didn't use CO2. Guess if I can't get better o-ring life then i'll look at getting a new reg.
I would wait for a response from one of the people who do lots of modifications on their markers, but as long as it's not too deep a little sandpaper shouldn't hurt. But seriously, don't take my word for it.

I do not recall what he was using, I'll try to find the thread and edit this after. thumup:

EDIT: http://www.pbnation.com/showthread.php?t=3761077
 

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scotch bright should be fine

are you lubing the o-rings at all when you put them in the reg?

and when one fails is it just leaking or does it split? what do the o-rings look like when they come out?

also-AZN was wondering what kind of material the o-rings are. there are 2 typical materials. Buna o-rings which are black and a little more flexible and there are polyurethane o-rings which are more of a tan color and a little stiffer.
 

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Other common oring types for pneumatics and such are..

HNBR - buna on steroids - green
Viton - supposed to be an all around super oring, may or may not have lower coefficient of friction (can't recall) - black and also comes in brown
 

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Discussion Starter #11
waL
It looks like the guy in that you are referring was using CO2 and everyone else is agreeing with using HPA they have no issues.

AZN
I don't think the tech at the store oil any except the last one. When I took them reg apart to check for burrs I noticed the inner part of the o-ring had a slice of it starting to come off. Like a thinner o-ring. If i remember correctly the o-rings I saw had chunks missing on the inside. All the o-rings so far have been polyurethane. I ordered some buna o-rings soon as those come in i'll test out the gun with the sanded piston.

when I grease o-rings how much should I apply?
 

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With greasing reg pistons, I like to make sure that there is grease in the oring groove, more than just making sure the oring is shiny

All orings should be greased an oiled for the reg as far as I know
 

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Discussion Starter #13
Got my o-rings today put one in and shot 3 pods of paint. There was some leaking at the end but couldn't tell where because i ran out of air. I took the reg apart to inspect o-rings and found the piston stuck in the o-ring. is that normal? these new o-rings did seem to fit tighter than the others. I did find a piece starting to come off the oring and got a picture this time. After reading your post again AZN I may not have put enough grease on. Do i need to grease or oil the piston at all?

I plan on giving spyder a call on friday.

Here is a picture of todays o-ring
 

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Law
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if you get your tank filled try again with more grease, it looks to me like the inner portion is being torn off due to friction
I was going to say the same thing, it looks like it was cut rather than exploded, if you get what I'm saying.
 

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Discussion Starter #16
Got my tank filled and used more grease and it's still holding up after 3 pods and some dry firing. I'll let you guys know how my day goes saturday when I go out to play. Thanks for the help
 
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