No draw from my Protank 2 on ZMAX V3

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VaPreis

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Oct 5, 2013
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Try unscrewing it just a bit.

I don't have a zmax, but I have this problem with protanks on my SVD.

You may be able to screw the beauty ring on the ego threading of the zmax, leave it up just slightly, then screw on the protank. That way you get the airflow with the protank backed off, but the protank isn't loose on the zmax.
 

crxess

Grumpy Ole Man
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Sep 20, 2012
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Replace the Coil head.
Are you using generic heads? Some have weak or enlarged bottom grommets and they swell out when you attach the PT to the device.
Air passes through the Small Side Holes in the 510 connection, down to the Hollow Center Pin and up through the tank.
If Pinched, no air will pass the Grommet.
Testing Off the tank can give a false positive for correct function since the center pin is open to receive air.

If the Head is the problem, it can still be used in the Mini.
 

Jarbs

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Dec 16, 2013
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Try unscrewing it just a bit.

I don't have a zmax, but I have this problem with protanks on my SVD.

You may be able to screw the beauty ring on the ego threading of the zmax, leave it up just slightly, then screw on the protank. That way you get the airflow with the protank backed off, but the protank isn't loose on the zmax.

it seems like when it's on something even just on the first thread, all airflow is completely cut off.

Replace the Coil head.
Are you using generic heads? Some have weak or enlarged bottom grommets and they swell out when you attach the PT to the device.
Air passes through the Small Side Holes in the 510 connection, down to the Hollow Center Pin and up through the tank.
If Pinched, no air will pass the Grommet.
Testing Off the Tank can give a false positive for correct function since the center pin is open to receive air.

If the Head is the problem, it can still be used in the Mini.

the first head was the one that came with the PT and i just tried a 2nd head from a blister pack i have and both gave the same result.

also tried turning a grommet upside down and still, no airflow.
 
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