Wow, you gotta get up pretty early (or stay up late I guess) to have a chance to help here! that's good.
When bleeding, not necessary to remove fuel filter just open vent on top, pump till fuel comes out, them pump some more to push air through back into tank.
This hose is a problem on KM454 only, the KM554 inj. pump is designed with a hard line here, but it is not interchangable with the KM454. This is a "low pressure" line and can be repaird as Paddy has done, the crimps can be cut off the banjoe fittings and the banjo itself reused. some have gone to auto parts stores and had new crimps put on. The hose the factory uses here is not any good, this hose is exposed to sunlight which does not seem to help this type of rubber.