Using your hands, grasp the wire that is still connected to the power supply. Carefully lift the power supply off the threaded stud to which it was coupled.

At this point you will have removed the following parts from the kettle:

Five (5) screws.

The kettle base.

One (1) 7/32'' hex nut.

One (1) 7/32" split-ring lock washer.

One (1) power supply unit.