Much easier if you disconnect the hoist from the body, if possible from underneath. That means without raising the body.
Pull the pins from the lift arms and unbolt the hinges or torch off the bolts.
If you must remove the hoist w/ the body it is a little more work but unbolt if possible or torch off all the mounting plates to the truck frame, jack up the rear of the body carefully until you can get a beam under it at the rear. Place the ends of the beams on something very stable like oil drums and them move the the front and repeat the procedure. The beams can be something like oak 4x4's on your little body. once it's up drive or pull the truck away. DON'T forget to remove the hoses, driveshaft and linkage from the pump first!!
Be careful and don't do this alone as accidents do happen. (or are allowed to) It's not difficult if you think it through first.
