Return fuel lines

[Marc Rainaldo]

On our 500da we have a valve board that has a valve with return. This valve is next to the generator valve.

Does anyone knows of this return valve is the return fuel from the generator or from engines or both?

thanks for effort.

 

[cloudrydr]

Resurrecting an old thread..
But did you ever find out what that is for???

I'm a new 500 owner and I have the same layout