Complete Leak Check, CO2 pressurized system - Page 7 - The Planted Tank Forum
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post #91 of 212 (permalink) Old 03-06-2013, 06:07 AM Thread Starter
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Bettatail please elaborate more as I do not understand what "back screw" you are mentioning.

Here's a comparison of my hpt 207C and the Milwaukee

the back of the regulator, there is a screw with a screw head cap fitting on top, and usually there is sticker says "do not adjust".
apparently it was adjusted so the output pressure can not pass 20psi, otherwise it should be around 80 psi max output as manufacture default setting.

add: you must be sure that your HPT 270 is a "C", not "A", so you can play with the back screw, and don't trust the LP gauge(max reading) to decide if it is a "C" or "A".
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post #92 of 212 (permalink) Old 03-06-2013, 06:11 AM
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Complete Leak Check, CO2 pressurized system



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post #93 of 212 (permalink) Old 03-06-2013, 06:11 AM Thread Starter
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post #94 of 212 (permalink) Old 03-06-2013, 06:13 AM
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Complete Leak Check, CO2 pressurized system

Clockwise or counter clockwise...also, do I do this having the reg attached to the co2 tank?
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post #95 of 212 (permalink) Old 03-06-2013, 06:15 AM
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I like that setup bettatail. I have another huge problem. I have that same solenoid on your pic but the tiny wires broke by the black casing and there's no way for me to connect the wires. Any way this can be fixed? I don't like that model of the burkert solenoid and shouldn't have purchased it.
Wire to wire resoldering or for a cleaner look, just open up the case and resolder the wires completely.

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A Primer to Pressurized CO2 and A Primer to Planted Tanks
Eheim Pimp #362 - Eheim 2213 x2, Eheim 2028, Eheim 2217, Eheim surface skimmer and Eheim autofeeder.
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post #96 of 212 (permalink) Old 03-06-2013, 06:16 AM
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Wire to wire resoldering or for a cleaner look, just open up the case and resolder the wires completely.
That's a weekend project. Haha.

Is the back screw suppose to be hard to move? I'm scared to turn it too much.

Last edited by Darkblade48; 03-06-2013 at 09:02 AM. Reason: Multiple posts within minutes of each other - please use the edit button in the future
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post #97 of 212 (permalink) Old 03-06-2013, 06:40 AM
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Yay...with some playing around I was able to set it to 80psi
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post #98 of 212 (permalink) Old 03-06-2013, 06:49 AM Thread Starter
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groves, safety glasses, or mask if you have one.

1. put the relief valve back on.
2. take out the back screw cap
3. put the system on the co2 tank, but keep the co2 tank shut.
4.adjust the back screw with allen key.
a. remember/mark the original position of the screw.
b. turn it clock wise to increase the pressure, 1/4 of a complete turn
c. turn on co2 tank, charge reg with 800 psi, then shut off the co2 tank.
d. turn the front handle to check max output(post body kit shut)
e. release all pressure in the regulator, set the front handle to off position.

repeat a -- e, until the max output goes up to what you desire, but not excess 80psi.

if any step you see the relief valve start releasing gas, stop and go the opposite way until the relief valve stop venting gas, and no further try to increase the max output pressure.
finally, Do it on your own risk.
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post #99 of 212 (permalink) Old 03-06-2013, 06:49 AM Thread Starter
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Yay...with some playing around I was able to set it to 80psi
that is fast, even before I made the instruction, lol.
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post #100 of 212 (permalink) Old 03-06-2013, 06:52 AM
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I loosen the screw just a bit, turned the front knob (regulating valve) to increase it to 80psi, then tighten the back screw. I did this while having the reg attached to the co2 tank completely opened.

I did not remove the back knob completely.
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post #101 of 212 (permalink) Old 03-06-2013, 07:00 AM Thread Starter
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probably the back screw or the spring in the back sit at the wrong position(inside), a loose and re-tighten set them back the right place.
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post #102 of 212 (permalink) Old 03-06-2013, 07:06 AM
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I hope everything is working fine. Ill check tomorrow mornkng if there's a change in pressure for both gauges.

Next project is to fix the burkert solenoid.

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post #103 of 212 (permalink) Old 03-06-2013, 07:09 AM Thread Starter
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cut the other wire, and find two small sharp point screws, stainless steel and proper size, drill into the plastic, use the screw heads as prongs.
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post #104 of 212 (permalink) Old 03-06-2013, 07:11 AM
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That's an interesting idea. Will it work? Is this something you've tried?
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post #105 of 212 (permalink) Old 03-06-2013, 07:17 AM Thread Starter
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no, never try, but it will work, just make sure the screws are right size, drill where the wires embed, but don't drill too deep, you don't want to damage the coil.
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