How to remove a KitchenAid Blender Coupler using a K A Parts spanner / wrench - YouTube
Amazon.com: WPW10279256 W10279256 Blender Drive Coupler - Compatible Whirlpool KitchenAid Blender Parts - Replaces AP6018469 1552372 PS11751771 - Sits on Top of the Motor - Made of Sturdy Materials : Appliances