Leaking Solenoid....help - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 04-08-2019, 04:23 AM Thread Starter
Nue
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Leaking Solenoid....help

Hey all,

It's been a long time since my last post, but I am in need of advice.

I went all low maintenance several year ago, but now I have decided to dig out my co2 equipment and get my tank back to what it was.

I should have checked for leaks before I wasted 5 lbs of co2.

A soap test revealed a major leak, and I'm not sure what to do.

In the picture the leak is where the black meet the metal part of the solenoid. Sorry I can't remember the component names.

I don't think Teflon will work, and thinking car gasket sealer (think it's called rtc) or if it's broke.

Any advice is appreciate!
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post #2 of 4 (permalink) Old 04-08-2019, 04:44 AM
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black part is a coil of wire. Acts as an electromagnet to pul up the solenoid plunger.
Leak there is probably a plunger seal leak.
Some can be rebuilt some not..
Doesn't show the "other" seals around the plunger but it gives an idea of what you are looking at..

"A man with a watch knows what time it is. A man with two watches is never sure."
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post #3 of 4 (permalink) Old 04-09-2019, 01:52 AM Thread Starter
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Quote:
Originally Posted by jeffkrol View Post
black part is a coil of wire. Acts as an electromagnet to pul up the solenoid plunger.
Leak there is probably a plunger seal leak.
Some can be rebuilt some not..
Doesn't show the "other" seals around the plunger but it gives an idea of what you are looking at..
Thank you! I was afraid it was bad news. I did open it up and didn't see a plunger seal. No idea where that went. Maybe it's time to get a new one. Thank you.
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post #4 of 4 (permalink) Old 04-09-2019, 03:56 AM
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Well you can't always "see" them though solenoids like the Burkerts have o rings between the coil and valve body for the plunger shaft. A lot of stuff inside the valve body..


If you want to verify the leak, w/ the coil removed use soapy water around the plunger shaft..
Sort of the easiest thing is to replace it..


Any "black dots" are a seal of some sort..

"A man with a watch knows what time it is. A man with two watches is never sure."
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