Problems with macro line fittings - Paintball Forum - Paintball guns and gear forums
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Old October 10th, 2013, 10:57 PM   #1 (permalink)
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Problems with macro line fittings

I have a low pressure regulator on a ninja HPA tank and have a problem with the macro line. The macro line connects one part of the regulator to another in a way that minimizes its size. The Macro line is only a few inches long and kind of wraps around the nozzle area of the tank. I got it used and when I first hooked it up and cranked up the air the macro line popped out of the fitting and the entire tank emptied. I can push the macro line in and it will work fine, but if the fittings rub against anything the small plastic piece used to hold the macro line in place will be pushed in, which releases the line.
Is the a way to fix this? I believe it may just be cheap macro fittings, since the part touching the line itself is plastic. Are there locks or something to keep the plastic pieces from being pushed in? I trust the regulator to be safe, its just that the macro fittings are very sensitive.

Any suggestions would be appreciated.
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Old October 11th, 2013, 07:34 AM   #2 (permalink)
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I've found that using a little bit longer piece than you need eliminates this problem. if you properly seat the line into the fitting, it locks into place, and it won't pop out unless you want it to.

you could also have a broken air fitting elbow, and that's why it's not holding it on properly.
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Old October 11th, 2013, 08:16 AM   #3 (permalink)
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can you post up a pic?
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Old October 14th, 2013, 11:15 PM   #4 (permalink)
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Here are some pictures.





On the second picture the macro fitting on the left is connected to the gun and I am unable to remove it, unlike the other two on the regulator which come loose too easily.

The macro line is longer than it could be to allow it to fit around the tank nozzle. The two fittings on the regulator fit fine and hold pressure without any leaks, but if anything even brushes against the plastic part around the macro line it will be pushed in enough to release the line.
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Old October 14th, 2013, 11:24 PM   #5 (permalink)
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I know that this isn't related to your question, but what on earth is that monstrosity that your ASA is connected to?

I see a quick disconnect. (for a remote line?)

Is that a high or low pressure gauge?

Is that an LPR that the macro line goes into?

Why does the second picture show three macro line inputs. Where is the second macro line hose in the first picture?

Why does the lpr(??) have a fill nipple on it?

What is the brass piece with the spring inside of it?
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Old October 14th, 2013, 11:49 PM   #6 (permalink)
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yeah this is a monstrosity haha! Thats why I am pretty confused- but I seem to have confused you even more!

This is a low pressure regulator- the tank feeds into that weird black hexagon thing, which feeds into the regulator, then connects to the macro line, which feeds back into a secondary compartment of the black piece, which connects a low pressure gauge, a quick-connect, and what I believe is a safety pressure release valve. Thats what you see in the first picture.
In the bottom picture I am holding the line and macro fitting leading to my gun and have the regulator in the background. The hose in the second picture leads to the gun (off screen) and the reason there is a second asa thread thing is because I needed a male q/d piece with female threads but I am still waiting for it in the mail, so I had to improvise to connect the male q/d with male threads.

I hope that makes sense
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Old October 14th, 2013, 11:57 PM   #7 (permalink)
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Best thing to do would be simply to replace that bit of macroline with steel braid line since it's not something you're going to have to remove very often, if at all.
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Old October 15th, 2013, 02:26 AM   #8 (permalink)
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what marker is this for? couldn't you just solve the problem by getting a lower pressure reg?
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Old October 15th, 2013, 04:18 AM   #9 (permalink)
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That contraption looks like it is for an Airsoft gun.

Either try a new piece of hose or a new fitting.

The fitting bites into the hose to hold it and because it is plastic it may be worn out or the hose is worn out at that spot.
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Old October 17th, 2013, 09:27 PM   #10 (permalink)
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Yeah this is meant for a polarstar airsoft gun. I assumed this regulator is just like what would be used for a paintball gun since the airsoft HPA powered systems are so new and they seem to have been designed to use paintball gear.
Is this a lot different than a regular paintball remote system? The only problem I have encountered is the quick connects on the regulator and the gun do not work with the quick connects I got with a remote hose. It looks like the male quick connect on the gun has a longer "tip" after the ring that holds it into the female connection, and that set is slightly larger than the quick connects on the remote hose. Are there a lot of different sized quick connects?

As for the macro line fittings, is it normal that they have the plastic rings versus the metal rings to hold the line in place? I cut the ends off of the line because they were really scratched up but it still seems to be the fittings themselves being very sensitive. A steel line sounds like it would work best since its not going to be knocked loose by being in a backpack. Before I replace it I am going to try simply wrapping plumbers tape under the plastic grips that hold the line in place. Since they don't leak or anything I might be able to just keep them from being pushed down and releasing the line.
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Old October 18th, 2013, 02:18 AM   #11 (permalink)
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To make it paintball marker ready, unscrew the on-off from the tank and put the tank on the marker.


Teflon tape might work too (might be the same thing as plumbers tape)
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Old October 18th, 2013, 05:09 AM   #12 (permalink)
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Quote:
Originally Posted by TheNumber7 View Post
Yeah this is meant for a polarstar airsoft gun. I assumed this regulator is just like what would be used for a paintball gun since the airsoft HPA powered systems are so new and they seem to have been designed to use paintball gear.
Is this a lot different than a regular paintball remote system? The only problem I have encountered is the quick connects on the regulator and the gun do not work with the quick connects I got with a remote hose. It looks like the male quick connect on the gun has a longer "tip" after the ring that holds it into the female connection, and that set is slightly larger than the quick connects on the remote hose. Are there a lot of different sized quick connects?

As for the macro line fittings, is it normal that they have the plastic rings versus the metal rings to hold the line in place? I cut the ends off of the line because they were really scratched up but it still seems to be the fittings themselves being very sensitive. A steel line sounds like it would work best since its not going to be knocked loose by being in a backpack. Before I replace it I am going to try simply wrapping plumbers tape under the plastic grips that hold the line in place. Since they don't leak or anything I might be able to just keep them from being pushed down and releasing the line.
The quick disconnects for the polar star systems are different, they handle less pressure and usually are the shut off style that cuts the air flow when not attached. This is why they do not interchange.

The tape will not work, at least I have never seen it work.

The plastic macro fittings are for the low pressure type and the hose may be the wrong size by just a little bit? They make a lot of different kinds of hoses.
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Old October 18th, 2013, 07:57 AM   #13 (permalink)
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I'm thinking the same thing. I've never seen plastic fittings like that on a high pressure system.

I think a braided hose would offer the most affordable and trouble free solution.
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Old October 18th, 2013, 08:13 PM   #14 (permalink)
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Quote:
Originally Posted by huckduck View Post
To make it paintball marker ready, unscrew the on-off from the tank and put the tank on the marker.
But what's the fun in that? Then its not over-complicated.

The Q/Ds for the polarstar are the self-sealing type. I didn't realize that made them uncompatible. I am pretty shocked it's not all paintball parts since they are so readily available and have been around for so long.

Thanks for all the help.
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