[CrazyHarry]

So, I bought a DM9 and I believe one or more of the orings on the bolt sail and the interior of the can and top hat are leaking. I've replaced each 3 times... all other o-rings on the marker I've switched out a month ago, and it's only had about 3 days worth of use.

Occasionally, I can take out the bolt and relube it, then put it back in the marker and have it work just fine, but most of the time, after I gas it up, I have to shoot a couple shots... and then it will seal up. As long as it has pressure in it, it seems to be fine... but any time it's degassed (between games, walking back to the dead box, after being left on the shelf for a week... etc.).

This is the first time I've had this problem with ANY of the matrixs that I've owned... usually I can just replace the bolt sail o-ring and call it a day. I'm about ready to just buy a BW Bolt, and scrap my current one completely, but I wanted to see if any of you guys had any advice first.

[speedy2k4]

Leaking from the frame then? And you are sure it's coming from the bolt and not the solenoid/LPR?

[CrazyHarry]

Originally Posted by speedy2k4

Leaking from the frame then? And you are sure it's coming from the bolt and not the solenoid/LPR?

Fairly certain its from the sail area, unless another leak has developed over the short time I've had it... and I CERTAINLY don't understand why shooting the marker would seal it if it was the noid. That behavior makes me think it's one of the orings that are moving.

[speedy2k4]

Originally Posted by CrazyHarry

Fairly certain its from the sail area, unless another leak has developed over the short time I've had it... and I CERTAINLY don't understand why shooting the marker would seal it if it was the noid. That behavior makes me think it's one of the orings that are moving.

There is a spool inside the solenoid with dynamic o-rings just like the bolt, though obviously smaller. So it's not crazy to think it could behave in the same way.

The bolt sail o-ring is definitely a more common cause for a leak through the frame, but if you replace it and the leak persists, I would move on to another possible cause.

Of course if you are talking about bolt TAIL (leak from back cap) that is an entirely different story.

[CrazyHarry]

Originally Posted by speedy2k4

There is a spool inside the solenoid with dynamic o-rings just like the bolt, though obviously smaller. So it's not crazy to think it could behave in the same way.

The bolt sail o-ring is definitely a more common cause for a leak through the frame, but if you replace it and the leak persists, I would move on to another possible cause.

Of course if you are talking about bolt TAIL (leak from back cap) that is an entirely different story.

It's acting like a leak from the bolt sail, so air is coming from under the frame. Never cracked open the noid before, I'll switch out those orings next (who knows how long those have been in there)... can't screw it up any worse, lol.

[grss429]

Originally Posted by CrazyHarry

It's acting like a leak from the bolt sail, so air is coming from under the frame. Never cracked open the noid before, I'll switch out those orings next (who knows how long those have been in there)... can't screw it up any worse, lol.

Normally you don't replace the orings on the noid, because well, they're nearly impossible to do, Just crack the frame open and see if you can pin point the leak, if it's from the LPR or the noid area

[HotxRod]

Try changing the 111 oring behind the bolt sail. If it gets worn down enough the bolt wont seat properly until you shoot it.

[CrazyHarry]

Originally Posted by HotxRod

Try changing the 111 oring behind the bolt sail. If it gets worn down enough the bolt wont seat properly until you shoot it.

I already switched those out, when I switched every other oring on the bolt... but, I have 100 of them orings (bought them from McMaster Carr, and that's the minimum quantity), so I might as well give it a try.