Who needs a service manual?
Obtain a short section of 5/16" ID hose.
Insert bolt in one end of hose and install hose clamp to ensure that end is plugged.
Cut clamp from one end of crossover hose beneath fuel tank.
Replace crossover hose on fuel tank fitting with open end of short hose & direct gas to container.
Purge fuel supply line of high pressure gas.
a. Remove the 15 amp fuel pump fuse.
b. Start engine and allow the motorcycle to run.
c. When the engine stalls, operate starter for 3 seconds to remove remaining fuel from fuel lines.
Remove fuel tank front mounting bolts from left and right side of frame.
Remove bolt to free rear of fuel tank from frame backbone.
Remove acorn nut from instrument console.
Raise instrument console and bend back flexible clamp on canopy to release main harness conduit.
Remove fuel level sender/fuel pump connector, 4-place Packard, at top of canopy.