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Delta .68 o-rings

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panhead4411 View Drop Down
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    Posted: 13 October 2008 at 12:30pm

I know its not a tippmann, but i've also seen other posts for non-tippmann guns (i think).

Anywho, does anyone know the exact size of the o-ring that is right where the cartrige inserts on a Delta .68 pistol?  I need more, but i don't want to order the whole o-ring kit just for a bunch of those.  Any help is appreciated.

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mechanikmike View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mechanikmike Quote  Post ReplyReply Direct Link To This Post Posted: 13 October 2008 at 8:31pm
well, my metric calipers are MIA so here's what I got for a measurement
0.065" thick, 0.40" outer diameter, 0.270" inner diameter, sorry I don't know
what material they are made of, I hear ya there about buying the complete
parts kit, the last one I bought didn't have a single co2 cartridge o-ring, one
tip to make hem last longer make sure you manually re-cock the marker
and fire off all co2 removing the cartridge with a little left in it will destroy it
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mack Quote  Post ReplyReply Direct Link To This Post Posted: 14 October 2008 at 12:04am
I have a Delta 68 that has never sealed properly at that location.  I am actually considering a trip to Ace to try various rubber o-rings and see what happens.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote panhead4411 Quote  Post ReplyReply Direct Link To This Post Posted: 15 October 2008 at 8:34am

Yeah, i learnt that you should discharge all the air b/f removing cartridge while i was reading reviews before i bought it.  But it seems that the o-ring gets sliced almost every time, no matter what i do. 

I might follow you to the hardware store to try my luck with other o-rings.  I really like using the pistols, they seem great, minus this one problem with that o-ring.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote mechanikmike Quote  Post ReplyReply Direct Link To This Post Posted: 15 October 2008 at 7:12pm
i've had good luck with mine, the only other things i've read to prevent it is
oil the o-ring constantly and watch out for CO2 cartridges with the shoulder
on the tip, but that's what i use with no problems so I don't know what else
it could be
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Post Options Post Options   Thanks (0) Thanks(0)   Quote panhead4411 Quote  Post ReplyReply Direct Link To This Post Posted: 10 March 2009 at 7:13pm
Oiling like mad seems to help this, but ther is no way i'll be able to change the cartrige if i'm in a fire-fight.  The thing seems to get stuck alot when you empty the air quickly.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote peachesaretasty Quote  Post ReplyReply Direct Link To This Post Posted: 09 May 2009 at 9:24pm
yeah, i have the exact problem right now.
does anyone know for sure what size they are and how you change em?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mack Quote  Post ReplyReply Direct Link To This Post Posted: 11 May 2009 at 2:11am
I couldn't find a matching o-ring at the hardware store.

So I dug into my parts box and came up with a dummy 12 gram.  Since I still had sealing problems I pulled the valve apart and put it back together without the part that pierces the 12 grams.  I used a small metal washer and o-ring that fit directly against the filter portion of the valve.  Once I figured out that it would now seal, I added a few other pieces and now use an old BE 12 gram changer which doubles as a front vertical grip to hold my CO2.

It can't be holstered, so it's not really a pistol anymore but it does hold air now.  I guess it's kind of a small CQB marker more than anything else.  (I should figure a way to hang a flashlight and laser off of it.)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Flurry Quote  Post ReplyReply Direct Link To This Post Posted: 11 June 2009 at 4:51am
I don't know how the Delta works "I've never had one."  I did have a PT Enforcer and it sounds like the same problem I was having with it.  what I did with it is,  and don't laugh at this, It worked in a pinch.  I smeered chapstick on the tip of the co2 cart.  It worked for almost a year.  I know it sounds goofy..but when ur cheap and don't have want to keep replacing things you look at what is in your pockets.
It sucks being antisocial alone.
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