Folk:

 

There are 2 tubes in the header tank. One is the overflow and sets the level
of the fuel in the tank. The other is the pump outlet.  The pump outlet
*must* be higher than the overflow tube.  On the early tanks the one you can
see when looking into the filler neck is the pump outlet, not the overflow.
If these lines are switched and you have a fire in the engine compartment
that burns through the fuel lines, fuel will siphon back through the pump
line and feed the fire until the level drops down to below that of the lower
fitting.

 

If the line you are looking at is truly the overflow line and it is only ¼”
from the top of the tank, it is probably not plumbed correctly.

 

 

John Cooper

Skyport Services

4996 Delaware Tnpk

Rensselaerville, NY 12147

518 797-3064

www.skyportservices.net

 

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