I would think if I blow into the threaded end air should come out until I push the pin in, right?

Right.

 

Is that not what's happening?

Right, no fuel entering the float chamber.

Yeah, Philip was showing me that on Saturday.

Talk with Bruce earlier, he was surprised that a simple valve wasn't working but said they would send me a replacement.  I can only guess the needle is a bit too long for the valve body and the retaining clip is holding it down.  If I pull the pin out about an 1/8th of an inch it opens up and lets air pass through.

 

This 240 is teaching me something nobody else has ever been able to do, parents, girlfriends, psychiatrist, bosses and friends, PATIENCE.

 

Medication works well, I must admit.   

Are you sure that you just aren't able to develop enough pressure to crack the valve open? Been a while since I've been inside one of those buggers, but isn't there a little spring inside keeping it closed or almost closed when static? Thinking that maybe the fuel pump has enough ummph to push the valve open, but your lungs don't?

 

Maybe the spring is stretched a little too long? Do you have more than one that acts like this, or are they all the same EXCEPT for the one that acts this way?

I bought 2, one works.  There is a small spring inside the plunger/needle then a cap with the pin that contacts the float.  The clip on the top that holds it all together doesn't move enough to let the cap and pin move up letting air or fuel to go through.  I attached the old float chamber to nozzle hose on the threaded end of the valve and couldn't get any air through.  I've got a strong set of lungs, my friends get mad sometimes. 

 

I don't want to shorten the spring or bend the clip.  Z Therapy is sending me a replacement and I'm sending the faulty one back with the nozzle cores

I bought 2, one works.

 

Gotcha. Helps to have a second one there that does what you expect. I wouldn't mess with the internals either unless that was the only option you had. If ZT is sending a replacement, good deal.

 

So you and your friends sit around having lung contests? 

 

 

So you and your friends sit around having lung contests? 

Not so much anymore.  Life got in the way.

ZTherapy I owe you a big old THANK YOU!  My carbs are smooth idling and accelerating.  Don't have to use too much choke on start up either.  They cleaned up nice and work like new, I can only guess as I was 3 years old when they were new. 

 

Thanks again,

Cliff.