Once removed, set the center disk aside.

Firmly grasp the base of the fan blades, pulling upwards and turning counterclockwise.

Set old blades aside to be recycled later, and replace with the new blades.

Once you begin to reassemble your device, push the disk back onto the rod using your hand, then use the pliers to pull it down the rest of the way, until there is at least 1/4" between the disk and tip of the rod.