Unless I'm going to disassemble the fittings, I don't take the converted-kegs off the stand - just clean them where they are.This is to everyone who has a 3 keg single tier setup with pumps and what not.
How do you go about cleaning the mash tun and kettle? Do you take the mash tun and kettle off the rig to clean them?
I'm about to design a new rig to do full keg sized batches - automated with an opentroller DX1 but I'm just not sure if there's a simple way to clean everything, pipes included, without taking everything apart and stripping the brew rig down each time.
How do you get the grains out of the mash tun for example?
I scoop out the spent grain with special decoction jug, put a bucket under the tap (which is in the bottom of the keg) and wash out the rest of the grain with a hose and then give it a wipe with a rag - if I do that while the kettle is boiling it does not usually need anything more (and takes only about 5mins). Kettle is cleaned in much the same way, with the addition of a percarbonate wash that is recirculated though the pump/lines/etc.
Its a good idea to disassemble and strip everything for a thorough clean - how often you do that is a matter of personal preference (and laziness).