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Old 10-28-2013, 10:37 AM #1
MileHighAXEMan
 
 
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Insight Expansion Can Issue

Hello Intra-webs,
So the issue is that the expansion can keeps comming loose. I'm a bit weary to put any sort of bonding agent/ teflon tape on it to keep in place, but has anyone else had this issue? Seems like every game i have to take the bolt out and re-screw that can down. Any advice is welcome.

I seem to get consistant drop off if i dont re screw this down at least every 3-4 pods....very anoying.

I am running 13 as a dwell setting which seems to be the only way to keep 1 shot drop off gone even with the bolt screwd down all the way which leads me to believe that its a possible o-ring issue.

No air leaks, gun is perfect other than that.

Dont know if this matters but gun has 20+ cases thru it. Using pathogen greese and cleaned religiously after every outing.

Brett
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Old 10-28-2013, 10:55 AM #2
RaymiusII
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You should be able to clean the threads and put on some blue Loctite, and let it dry. The residual amount should keep it in place.

As for your drop off issue, did you change to Urethane orings on the shut off and bolt shaft as suggested?

Lastly 13 dwell seems high, I am running 9.5 and have put about 5 cases through mine.
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Old 10-28-2013, 11:07 AM #3
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Have not gone to the urethane o-rings, sounds like thats a must do.

Does anyone have a schematic of which o-rings need to be replaced??

Im calling BLT today to get some sent. Have not tried the lock tite, was a little scared to put that on just in case, but if it works ill give it a go.


Agreed 13 is way to high on the dwell, just cant seen to get the first shot out of the barrell unless i set it that high.

Ill let you guys/gals know what i hear after i call Robert...
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Old 10-28-2013, 11:25 AM #4
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My gun is cold blooded also. First 2-3 shots of the day are sad, but after that, it is good to go for the rest of the day.

They suggest you replace the 010 at the back of the shut off (Brass piece) and the two at the back of the ram.

FYI - I use slick honey as my lube.

Just make sure you use Blue Loctite and not Red, or you will hate life.

Last edited by RaymiusII : 10-28-2013 at 11:27 AM.
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Old 10-28-2013, 12:36 PM #5
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So if you're in this forum you already know this but... BOB IS THE MAN!!

Just had a nice 15 minute chat about the insignt, all problems and fixes , and his new VIS marker. ( which BTW sounds amazing!!)

He is sending me an o-ring kit made from the new material TODAY!!

BLAST is the TITS!!!

Thanks Bob and Zack!!
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Old 10-28-2013, 10:26 PM #6
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I use monkey poo lube for my insight plus the poly urethane o-rings they work very well I been using them for months
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Old 11-04-2013, 09:48 AM #7
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I've gotten the new o-rings from BLAST, WOW! What a difference. No more expansion can comming loose and drop off is gone. I did go to a Ninja pro reg as well (0 shims) for 450psi output. Dwell at 10.5. Shooting 290 +/- 3fps.

2 cases thru in about 2 hours and not one problem. The beast is alive!!!

Thanks Bob!!
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Old 11-06-2013, 07:32 PM #8
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I'm glad she is working well for you!
Maybe I'll catch you at blitz some time.
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Old 11-22-2013, 10:10 PM #9
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so this new 20x2 ring keeps the can from coming loose? my insight has the same problem and my flashed board and ring kit are coming in the mail now. i dont see how that o ring could keep the can from coming loose. it would seem to me that the 021 thats sits between the two halves should be thicker to cause greater friction so they wont come apart. am i wrong?
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Old 11-22-2013, 10:46 PM #10
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The 20x2 doesn't keep the can together it keeps the brass shutoff in place if the can comes loose. The shoot down is caused by the seal separating the two chambers being lost. The brass shutoff being held in place prevents that from happening.
One Insight had the issue and the other did not. Since putting that 20x2 in place neither has had any issues.
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Last edited by Big Papa Pink : 11-23-2013 at 08:27 AM.
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Old 11-23-2013, 05:41 AM #11
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Quote:
Originally Posted by MileHighAXEMan View Post
I've gotten the new o-rings from BLAST, WOW! What a difference. No more expansion can comming loose and drop off is gone. I did go to a Ninja pro reg as well (0 shims) for 450psi output. Dwell at 10.5. Shooting 290 +/- 3fps. 2 cases thru in about 2 hours and not one problem. The beast is alive!!! Thanks Bob!!
Hey,

can you please elaborate on the o-ring issue i. e how are the new orings different.

Thanks, Dirk
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Old 11-23-2013, 07:42 AM #12
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Originally Posted by dirk.baumann View Post
Hey,

can you please elaborate on the o-ring issue i. e how are the new orings different.

Thanks, Dirk
They are using Eurethane orings on the **** off and the back of the bolt. They also changed the 19 to a 20 X 2 to hold the shut off in place better.
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Old 11-23-2013, 09:10 AM #13
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Thanks brother. Did they use 90 duro or teflon orings before?
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Old 11-24-2013, 08:54 AM #14
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I really don't like the idea of the can coming loose, even with the new O ring. I'm weary about using locktite to hold it together too. Has anyone experimented with different o rings to keep the can in place?? I'm thinking maybe using a 20x2 would create enough friction and pressure to keep the can from coming off
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Old 11-24-2013, 09:13 AM #15
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So you mean on the outside of the can, right? I'm not sure that 20x2 would fit, let me do some fitting and see what I can come up with.
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Old 11-24-2013, 09:17 AM #16
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I'm not sure either bro, but if I find a o ring size that requires a lot of force to make the 2 halves screw together, it would take a lot for it to come loose I imagine. An appropriate sized thicker o ring can accomplish this I hope.
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Old 11-24-2013, 10:15 AM #17
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The 20x2s will fit, but it does not help the separation issue on the one Insight. It still comes loose. Putting a 20x2 at the front of the can seems to make a tiny bit of a difference as it seems the engine "snaps" into place like the shutoff does with the 20X2 installed. I think a 21x2 may make a difference on the back of the engine. I don't have any, but I my order a few to test.
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Old 11-24-2013, 10:17 AM #18
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Quote:
Originally Posted by PhazedReality818 View Post
I'm not sure either bro, but if I find a o ring size that requires a lot of force to make the 2 halves screw together, it would take a lot for it to come loose I imagine. An appropriate sized thicker o ring can accomplish this I hope.
The issue is the oring doesn't sit on the threads, it does not apply direct pressure, so a thicker o-ring would be needed to push against the top of the engine and the bottom ... I have a couple more ideas, so I'll try them out.
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Old 11-24-2013, 11:27 AM #19
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Hmm ok bro. What kind of idea do you have in mind?
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Old 11-25-2013, 08:32 AM #20
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Okay, fixed it on mine.
So with the 2x20 on the inside of the can, I added a 1x20 just behind the threads on the back of the engine. So when you screw the front of the can together, that 1x20 does exactly what you want it to do, provide extra friction. It does not allow the two cans to go back together as tight as it did before, but 1 case through it and the can did not come loose and I had no drop-off. A 1x18 or 1x17 might actually work better, but I would have to order them. I have a few 1x20s for the Victory Poppet Brown Doughnut.

After further review and testing, a stretched 1x13 seems to work quite well, and is a standard size o-ring that is used under the button of the engine, so one should be included as a spare with the marker and they are included in the rebuild kits from O-ring monkey. The 1x13 allows the can to be closed completely while still providing the friction needed to prevent my can from coming loose.
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Last edited by Big Papa Pink : 11-25-2013 at 11:32 AM.
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Old 11-25-2013, 05:28 PM #21
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just to be sure, we are talking about replacing the same o ring. is it the one i circled in red?



and if it is, which o ring do you recommend i order?the 1x17 or 1x18? do you think that its too small? what about a 1x19?
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