PMR Velocity: How not to shoot orings - PbNation
Find fields & stores near you!
Find fields and stores
Zipcode
PbNation News
PbNation News
Community Focus
Community Focus

 
Archived Thread - Cannot Edit  
Old 01-02-2007, 09:37 PM #1
threeham
man seen from see
 
threeham's Avatar
 
Join Date: Feb 2002
Location: Clearwater, FL
 has been a member for 10 years
threeham has achieved Level 1 in PbNation Pursuit
threeham has perfected Level 1 in PbNation Pursuit
threeham has achieved Level 2 in PbNation Pursuit
PMR Velocity: How not to shoot orings

I decided to write this up since I've found it's a very real problem. The PMR's fresh out of the box and even during the break-in period seem fairly prone to this problem. Reguardless, this 'issue' isn't so much a flaw in the design as much as fair warning to anyone with a Rail and a resource for common troubleshooting.

Because of the Hyper2 reg and an otherwise new level of technology in the low-cost high-performance niche of paintball; the PMR is pretty prone to shooting Orings. Alot of DM/PM owners have noticed that there's alot of posts in this forum about "Leaking etc from etc" and most of them seem to be pointed at the bolt cap and gun body. Alot of this is due to the fact that the Hyper2 on the PMR seems like it's turned up to 340+ on most peoples guns out of the box. If this wasn't the case, it's likly that during tuning or dryfiring the FPS accidently spiked upwards of this number. Because of the mechanics of the bolt; one of several orings designed to seal exhaust or intake can easily become lose or even shot out of the barrel(or exhaust port) when the FPS reaches these commonly unsafe velocity's. This can lead to an instant chain of leaks and damage to other orings. It's important when adjusting your velocity, you turn the hyper2 reg ALL THE WAY DOWN. After that, pull the velocity out 3 turns. Gas up the marker; before you adjust the velocity you'll notice a leak in the gun body. This is because the pressure into the gun is not significant enough to seal. As you slowly begin to adjust the velocity the leak will grow smaller, and then silent; as you continue you'll hear the bolt "seal" and it's a good time to start adjusting. Every regulator is unique, so take your time and slowly tune the gun upwards little by little. Remeber it will take a few shots for the FPS to adjust with each adjustment of the regulator. Remeber when you're done for the day and the regulator is still breaking in(Try not to count 2000 shots, just give it a good period) you'll need to repeat this process because you can risk shooting out orings low into the 300's.

I've noticed the most common orings to shoot out are on the bolt stem(BN 07[#9 in your manual]) and inside the manifold(BN 14[#5 In your manual]). These are the first places I look when I suddenly have a leak that seems to get better or seal after a few shots. Also, if you seem to have excessive exhaust or leaks from vibration replacing the back cap oring(BN 18[#10 in your manual]) with a BN 20(#1 in your manual) and you should see some improvement. Though I personally reccomend the NDZ metal back cap; since you can seal and remove the bolt easily with your FINGERS(Which I was pleased to confirm today).


I hope I maybe shed some light on leak issues and helped some people quicky address some issues; soon to come: Installing the NDZ Slik trigger and installing the Dye Ultralight frame.
__________________
DYNASTY'd SFT Shocker
+trust
threeham is offline  
Old Sponsored Links Remove Advertisement
Advertisement
Old 01-02-2007, 09:51 PM #2
CrazyLittle (Banned)
what
 
Join Date: Oct 2006
CrazyLittle donated to help Peyton Trent
CrazyLittle is playing at Living Legends III
CrazyLittle owns a Planet Eclipse Ego
CrazyLittle supports Team VICIOUS
Good stuff. I hope people other than you and I actually read it
CrazyLittle is offline  
Old 01-02-2007, 09:55 PM #3
Lovemyfender14
 
 
Lovemyfender14's Avatar
 
Join Date: Dec 2006
Location: Massapequa long islandd
i read it, it was just never a problem for me my gu was shooitng about 270 out of the box... not a huge deal lol
__________________
I would prefer it if you reffered to me as "Das Ubersex" however it would suffice to refer to anybody who asks where the LPR on their rail is as "Das Ubergeih"

@(0o0)@ <- yeah its a koala... got a problem?

http://dingdingdong.ytmnd.com/ <- thats funny.
Lovemyfender14 is offline  
Old 01-02-2007, 09:56 PM #4
threeham
man seen from see
 
threeham's Avatar
 
Join Date: Feb 2002
Location: Clearwater, FL
 has been a member for 10 years
threeham has achieved Level 1 in PbNation Pursuit
threeham has perfected Level 1 in PbNation Pursuit
threeham has achieved Level 2 in PbNation Pursuit
Seems to be the #1 problem with PMR's in this forum is literacy
__________________
DYNASTY'd SFT Shocker
+trust
threeham is offline  
Old 01-02-2007, 09:56 PM #5
CrazyLittle (Banned)
what
 
Join Date: Oct 2006
CrazyLittle donated to help Peyton Trent
CrazyLittle is playing at Living Legends III
CrazyLittle owns a Planet Eclipse Ego
CrazyLittle supports Team VICIOUS
I'm sorry I didn't quite understand you there.
CrazyLittle is offline  
Old 01-02-2007, 09:57 PM #6
Lovemyfender14
 
 
Lovemyfender14's Avatar
 
Join Date: Dec 2006
Location: Massapequa long islandd
you talking to me? lol im literate i just type way too fast. But yeah crazylittle had to tell a kid to read his manual like 3 times before he actually copyed down the section of the manual he was referring too and after the kid still didnt get it im pretty sure he gave up
__________________
I would prefer it if you reffered to me as "Das Ubersex" however it would suffice to refer to anybody who asks where the LPR on their rail is as "Das Ubergeih"

@(0o0)@ <- yeah its a koala... got a problem?

http://dingdingdong.ytmnd.com/ <- thats funny.
Lovemyfender14 is offline  
Old 01-02-2007, 10:00 PM #7
Passmeabeerdude
PassMeABeerDude
 
Passmeabeerdude's Avatar
 
Join Date: Jul 2006
Location: FL
Quote:
Originally Posted by threeham View Post
Seems to be the #1 problem with PMR's in this forum is literacy
QFT
__________________
Proto M7

Feedback
Passmeabeerdude is offline  
Old 01-02-2007, 10:02 PM #8
threeham
man seen from see
 
threeham's Avatar
 
Join Date: Feb 2002
Location: Clearwater, FL
 has been a member for 10 years
threeham has achieved Level 1 in PbNation Pursuit
threeham has perfected Level 1 in PbNation Pursuit
threeham has achieved Level 2 in PbNation Pursuit
Crazylittle might be talking to himself, this kind of thing is a debate worthy of betting; but I know alot of people(even a guy at my own field) who reads and appreciates PMR stuff myself, crazy, and alot of people contribute. Belive it or not, there are '07 users and tech's who use these forums for info since there's not alot of communication about it yet.
__________________
DYNASTY'd SFT Shocker
+trust
threeham is offline  
Old 01-02-2007, 10:07 PM #9
Lovemyfender14
 
 
Lovemyfender14's Avatar
 
Join Date: Dec 2006
Location: Massapequa long islandd
uhm i appreciate the PMR stuff too dont leave me out of the club.... lol but yeah erayser is hardcore with the PMR sticky and what not... hes my hero sort of.
__________________
I would prefer it if you reffered to me as "Das Ubersex" however it would suffice to refer to anybody who asks where the LPR on their rail is as "Das Ubergeih"

@(0o0)@ <- yeah its a koala... got a problem?

http://dingdingdong.ytmnd.com/ <- thats funny.
Lovemyfender14 is offline  
Old 01-02-2007, 10:23 PM #10
fkdash
I pay for my own pb gear
 
Join Date: Aug 2006
Location: new york
good to know about the problems and of how the hyper 2 was set way above 300.

if this was xanga i would give you props lolz
__________________
new gun and ups
~blue PMR~NDZ buttons for pmr~NDZ Ez turn on/off~NDZ slik trigger~v!rtu3 eyes~FREAK KIT all 8 inserts back & tip to make a 14"~

~spyder electra 06 with eye~smartparts ion~

gear/equipment- ~DYE attack pack and pods~av 22in gear bag~dye c6 jersey & pants~ custom raven jersey~raven pants~halo b with rip~sp preset on/off~CCM low rise~pmi 72/3000~
fkdash is offline  
Old 01-03-2007, 12:48 AM #11
amd2323
 
 
amd2323's Avatar
 
Join Date: Sep 2006
Location: San Diego
This would have been really use full when i bought my pmr, it took me at least 2 hrs to figure that out myself, this should be included in the pmr sticky, it would eliminate a lot of "my pmr has a leak" threads. Good job by the way
amd2323 is offline  
Old 01-03-2007, 01:31 AM #12
erayser
AlternativePB.com
 
erayser's Avatar
 
Join Date: Sep 2005
Location: San Diego
Annual Supporting Member
erayser is a Moderator
erayser is a Supporting Member
erayser is BST Legit
I added this thread at the very top of the "PMR Troubleshooting thread" in sticky.

Hope you don't mind.
erayser is offline  
Old 01-03-2007, 08:06 AM #13
threeham
man seen from see
 
threeham's Avatar
 
Join Date: Feb 2002
Location: Clearwater, FL
 has been a member for 10 years
threeham has achieved Level 1 in PbNation Pursuit
threeham has perfected Level 1 in PbNation Pursuit
threeham has achieved Level 2 in PbNation Pursuit
!

Thanks rayser <3
__________________
DYNASTY'd SFT Shocker
+trust
threeham is offline  
Old 01-29-2007, 01:33 AM #14
Lazr111
 
 
Lazr111's Avatar
 
Join Date: Feb 2004
Location: Oceanside
 has been a member for 10 years
Lazr111 has achieved Level 1 in PbNation Pursuit
Lazr111 has achieved Level 2 in PbNation Pursuit
Thank you, I was having massive leak problems after trying to chrono mine, and after reading this I tried reseting the reg, and it stopped leaking and dry fired beautifuly. Now I have to try it on the field.

Edit: It works wonderfully, now. This is now one of my favorite markers to shoot, if not my favorite, and I've shot pretty much every high-end marker you can think of.
__________________
Ripping the DyeCam NT11 or Victory

My Feedback: http://www.pbnation.com/showthread.php?t=625712

Last edited by Lazr111 : 03-15-2007 at 01:13 PM.
Lazr111 is offline  
Old 03-15-2007, 08:54 AM #15
ApkPB
Armed Force #52
 
ApkPB's Avatar
 
Join Date: Sep 2005
ApkPB owns a Planet Eclipse Geo
ApkPB supports Pev's Paintball
wow this helps a lot. i was getting frustrated at my pmr for leakin out the cap at a tourney last weekend and i had to sit out our first 2 games because of it and to finally stop it (lessen the leak) i just crammed the back of it with lube. I wont have time to try your suggestion for a couple of days seeing as i will be out of town within a couple hours of reading this but this definitely helps shine some light on potential problems. thanks a lot
ApkPB is offline  
Old 03-15-2007, 01:26 PM #16
BaMa PaInTbAlLeR
 
 
BaMa PaInTbAlLeR's Avatar
 
Join Date: Feb 2007
Location: Bama!
yea Im glad you posted this I meen my pmr out of the box was shooting 270, but the second day I went to play with it it was shooting 330 why does that happin??
__________________
If your parents dont pay for ur paintball stuff, put this in ur sig


Your addicted to paintball when:
You walk everything with your fingers, even the air|You pretend to bunker and snapshoot people when goin around corners|You carry your marker with you around your house.

SAVE A ROCK, THROW AN ION
BaMa PaInTbAlLeR is offline  
Old 03-15-2007, 01:39 PM #17
GnArKiLL04
VROOOM!
 
GnArKiLL04's Avatar
 
Join Date: Jan 2007
Location: SATX
Quote:
Originally Posted by erayser View Post
I added this thread at the very top of the "PMR Troubleshooting thread" in sticky.

Hope you don't mind.

you could make the whole first page just Stickies and people would still just skip them and go to page two
GnArKiLL04 is offline  
Old 03-15-2007, 03:38 PM #18
Chinesus
 
 
Chinesus's Avatar
 
Join Date: Dec 2005
Location: Boston
yes, I had this problem, it blew the gasket o ring, which was a pain. Despite my knowing that none of the newbie pmr owners will read this, thanks for posting, it will solve a lot of peoples' problems (if they read it...)
Chinesus is offline  
Old 03-16-2007, 10:37 PM #19
Trac453
 
 
Trac453's Avatar
 
Join Date: Mar 2007
Location: massachusetts
Hey im a Newbie PMR owner. Then again maybe im one of the smart ones that is going through all these things and reading the threads before I have a problem

Last edited by Trac453 : 03-16-2007 at 10:46 PM.
Trac453 is offline  
Old 03-17-2007, 12:33 AM #20
The Meef
 
 
The Meef's Avatar
 
Join Date: Mar 2007
Location: Fort Lee, NJ
Quote:
Originally Posted by Lazr111 View Post
Thank you, I was having massive leak problems after trying to chrono mine, and after reading this I tried reseting the reg, and it stopped leaking and dry fired beautifuly.
Literally same here Lazr, except I learned through trial and error myself.

Replacing to BN# 20 O-ring that goes on the backcap does wonders, at least for me: I actually broke my oring by taking off the backcap... Happened twice (and ofc backcap stripped) and I believe the first time it was replaced with the exact same one as stock. With #20, I have not had this happen but then again I dunno if thats about my user error or the ring, either way replace that ring and save yourself a headache, for whatever reason I believe it fits there better than the orignal stock one (can't remember the # now).

I also had my gun leak when not enough pressure was put through reg to pressurize. I bugged out, and then figured that out randomly, just adjusting the reg.
The major points/problems described in your thread were the only ones I had during the "break-in" period. I just played with my PMR yesterday again, and 2 boxes of paint with no chops,was the story. A regularly lubed bolt and stock o rings (besides back cap one) is all I have to attribute to this performance.
__________________
Olive PM6 w/:CP On/Off, Proto 2 Piece
Red PMR w/:Proto Red Aluminum Back Cap,NDZ Slik Trigger, Proto Red Eye Plates, Freak Back
Tippmann A5 w/: E-Grip w/ APE Rampage Board, Palmer's Stabilizer, Palmer's QEV, JCS Duel Trigger,Tech T Vortex mod, Lapco Bigshot, Freak Back, Opsgear G36 Raider Folding Stock
Crossfire 68/4500, Halo Loader Stock, SP Freak Front
Whothehellstolemyspacebar?
The Meef is offline  
Old 04-02-2007, 12:02 PM #21
805_PMR
Proto Joto
 
Join Date: Mar 2007
Location: SB County, CA
Great advise. Just had the same problem.

First off, the regulator might be counterintuitive for someone who isn't used to pneumatics like this, where tightening is decreasing pressure. I'm sure that in it's self as caused many a shot O-ring.

Also, that inner manifold #014 O-ring can be crazyness to repair. I just spent 20 minutes using my fingers and 3 small allen wrenches to guide it into it's housing. I've found that the best way to get that particular O-ring in is to get it as far seated as possible using your fingers, hold the seated portion in with a small allen wrench, then use a finger tip to get the rest seated. Hard to get to that one indeed.
805_PMR is offline  
 




Posting Rules
Forum Jump