Whats wrong with this solenoid? (DEXEN 750-500)

[Whwh]

Please watch video and tell me if you notice anything. Is that brass gear supposed to be adjusted? Is the solenoid supposed to pull the lever higher?

I have a setup involving an IPI Dexen 750-500 NG valve. Electronically everything checks out-- the ohms are what they should be, the current draw and the voltage drop is what it should be. The rest of the setup is what it should be and I do what I can to bench test with dc batteries. But ultimately I do not get much of any gas go through the valve except for a tiny trickle, a fraction of a cigarette lighter, barely detectable by my gas dectector, and the pilot doesn't light. The main burner doesn't light either. Is this valve defective?

 

[DAKSY]

Have you tested the gas pressure coming into the valve & also coming out? Your solenoid seems to be reacting to power, but if no gas is flowing thru it, the mechanism may only be partially functional. If all the readings on the valve meet spec, I’d say replace that part. I will admit my experience with solenoids is limited…

 

[Whwh]

Thank you for the reply. There is no gas delivery issue and the valve has nothing defective about where gas wouldn't be able to flow from chamber to chamber. I loosened a test port and gas flows out there no problem whereas the gas that makes it to the pilot Outlet is undetectable except with a gas

 

[Whwh]

So I got the idea of using a handheld air blower to test. I.found out I was wrong. So using a small blower on the inlet with the pilot solenoid removed, no air goes through. It's like it's blocked. So I disassembled the unit and I find a diaphragm and such. With a blower on the inner again the air comes in the center of the block which mates up to the orange diaphragm. Is there something wrong with the diaphragm that it's not letting the air go through?

 

[Whwh]

I was chasing my tail the entire time and I am more than a little embarassed. I made a faulty assumption and got inlet and outlet reversed. So no wonder everything tested OK electrically but didn't seem to permit flow. The outlet for the main burner is on the same side as the pilot outlet, and I made a major mistake there by assuming the Dexen valve would be configured the same way as the previous Honeywell vavle.

 

[Whwh]

That all said can some one view the video above and tell me if the pilot is too strong? The flame sensor glows red. If it is too strong, how do adjust the pilot? Counter clockwise for the brass gear?