I lift mine up and put it on a stool (45L batch size), connect up some tubing to the tap and pour it into the kegs. Clean them the same as a 30L fermenter - after the brew give a good hose out to get rid of most muck, then I'll give it a scrub with a cloth and hot water and rinse out, take off the tap and clean the thread, break apart the tap and clean that. Then give it all a good spray of starsan when putting back together.