Can anyone suggest what might be the reason for a 3rd fuel line connection that I see on the right hand FIREWALL of the 415 C. Fuel pump supply to and from the tank explain 1 & 2 connections, but I cannot find any reference in the manuals or think of any reason of this connection. I removed a blocked off fuel line from this connector in the disassembly for the current restoration.
In looking at the approved modifications for later models and they all show just a 'to the fuel pump and return' through the fire wall. Darrel Hanson in Victoria
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