No big deal. Have a clean garbage bag handy and slip the spiderweb into the trash bag to keep foreign matter out. It doesn't take much trash or water to make a good running engine turn into a bad running engine.

After your operation is finished and the spider is back in place, prime with the hand pump, then crack open the lines one at a time at the injector while someone is cranking the engine until a little fuel dribbles out then close it. This will bleed each individual injector line and help it to start quicker.

When removing the lines there will be a little fuel dribble out over everything, but not too much.

Good luck,