I fabricated the fuel line that runs between the fuel pump and the firewall. I had previously fabricated this line, but that was for the old pump position and that line would no longer work. Despite the pump being farther back, this line is shorter because it takes a more direct route.
The line steps down immediately after leaving the pump to go under the cover and then bends slightly to the right to head directly to the firewall penetration.
I cut away a good chunk of the cover so that it can drop in over the pump. This is so much better than old way I was installing this. That would have required removing the pump to access the wiring bundle. I bent a flange in the forward end of the cutout to stiffen the cover in this spot.
The line just touched the forward end of the cutout, so I used my Dremel and sanded away a relief. There is about 1/4″ of clearance around the line now and nothing can flex that far. I might still add some silicone wrap here though.
Here’s what it looks like with all of the covers in place. With everything in its final position, I drilled the cover to the holes that were already in the floor stiffeners
I pulled everything apart to install nutplates and prep everything for final assembly. While I had the fuel selector mounting plate off the plane, I countersunk all of the screw holes. I didn’t realize until after doing this that the three holes near the fuel selector didn’t need to be countersunk since there is a cover plate that mounts over this. It won’t matter though since these will be hidden under that plate.
