Watch that new fuel line if it is routed next to the battery like the original ones were.
My daddy had on without the cover on the battery and never gave it any thought until bouncing across the field one day and flames started coming out from the battery area. Fuel line arced on the battery cable end, caused a fuel leak and burnt the tractor. Hard to put out a fire being feed from a tank full of gas.
I battery cover or a larger rubber hose over the metal would have saved the tractor but that was then.
This probably happened because he cut the fuel line next to the carb and put in a inline filter. I am sure this pushed the fuel line a little closer to the battery, I know it was not as rigid after that.
Just something to look at.