Usually I just give my 1990 Kitchenaid a good wipe down everytime I use it. But I took this occassion to break down both mine and my mother’s 2001 machine and clean all the nooks and crannies. Aside from dishtowels and a good antibacterial spray, you need a scrub brush to get into all the crevices.
After you spray it down throughly let it sit for a while before you tackle the nooks and crannies. Then when you think you are are done, turn it over and you will find a lot more nooks and crannies to clean.
For general cleaning a sponge or wet rag is usually sufficient, but for those times when the food splatter is dried on Baking soda or Bon Ami. You don’t have to disassemble it every time you clean it but once every decade if you think it’s time. I hadn’t thought to remove the label strap, but it was loose, so I took it off and cleaned and tightened it. It’s only two screws on the back, so I may pull it off again and add some double stick tape underneath. The three screws holding the bowl base come off with some elbow grease, making it easy to clean underneath it.
But the ‘collar’ is probably NOT supposed to come off, I don’t think. This one was spewing dirty detergent so I teased it off with very thin screw driver. It looks like the old adhesive had oxidized and given up the ghost. Needless to say a magnet is REALLY valuable to keep track of appliance screws while you work. So after washing and drying all the parts, I used a tiny smidgen of Gorilla Glue to re-adhere it, adding some tape while it dried, as urethane will expand and fill in the voids, which makes a more secure bond for non-porous surfaces. I did have to use a mallet to get it back on tightly, if you don’t have one, you can wrap a hammer in a dishtowel and tap it very lightly.