This is what Boosty poted about the fuel pump swap:
...My soon to fail fuel pump was swapped out. Took about 45 minutes at my buddies shop.
Put it up, disconnected the lines, hoses from filler neck and straps. Pulled the tank out by hand, then I carried it over to the spot of floor where opened it up and swapped the pump.
Carried by myself. ..that big heavy awkward tank you say. Yeah..it weighted maybe 15 lbs.
Filled up 2 miles down the road. Capacity of tank is 18 gallons, took 17.46 gallons. That'* the way to swap a pump...
It'* recommended that you go ahead and buy replacement straps to make the removal easier. And of course, empty the tank as much as possible before removal.
I've not done it yet, but all those I've seen here that have done it say that it'* not a bad job.