----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]----
Jim, look in the Ercoupe Service Bulletins book (available from
Skyport and Univair) for the fuel
system diagram. There were different systems, depending on the serial
number of the airplane.
I assume when you say "main tank" you mean the header tank, between
the windshield and the engine.
If so, it has no float valve. It is not pressurized. It has a stand pipe
with an open top, so when
the fuel pump pumps enough fuel to fill the header tank, the extra fuel
flows down the stand pipe and
back to one of the wing tanks. There is a crossover fuel line between the
two wing tanks that runs
through the fuselage to keep the wing tanks equal.
Does that answer your questions? If not, please write back.
Syd Cohen
Ercoupe NC94196
Wausau, WI
Jim Howell wrote:
> ----[Please read http://ercoupers.com/disclaimer.htm before following
any advice in this forum.]----
>
> Can anyone give me a diagram of the 415 fuel
> system, to include, wing tank to fuel pump to main
> fuel tank, to carb. Main question , does the main
> tank have a float valve, and does the fuel pressure,
> from the pump go back to the wing tanks, when the main
> is full, and engine running?
>
> =====
> Jim Howell
> Uptight39
> Gruman OV-1 Mohawker
>
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