Rich, you may not have a problem with your header tank. It may just be gravity 
via the over flow taking it back to the wing tanks, mine does.Larry C. 1947CD

--- On Sun, 6/14/09, Richard Green <[email protected]> wrote:


From: Richard Green <[email protected]>
Subject: [ercoupe-tech] Header Tank Slowly Drains
To: [email protected]
Date: Sunday, June 14, 2009, 7:24 PM








My header tank appears to lose fuel even when the fuel valve is shut off, so 
its a good bet header fuel valve isn't sealing well. Over 3-4 days the fuel 
level in the header tank goes down slowly. No evidence of any big leaks but the 
area around the carb looks very slightly wet. Of course its hot here in TX so 
at slow leak rate I am sure most is evaporating pretty quickly. Anyone have a 
similar problem? Anyway to adjust the valve closure other than to just replace 
it?

Also, in my header tank doesn't seem to have an extension on the overflow line 
so I don't get the full six gallons and my fuel gauge never goes to the top. I 
have drained the tank and got about 5 gallons tops out of it. Can the overflow 
line be replaced w/o taking the tank out (e.g., through the fitting on the back 
of the tank).

BTW, the header tank was replaced new about 6-7 years ago, by a previous owner, 
so the hardware is not too old.

Any insight or advice appreciated.
Best regards,
Rich Green N3881H 415-CD














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