The coupling will simply pop off of the blender after about 3-5 turns. This will help to strip the threads around the entire circumference of the coupling. Repeat this prying method several times, turning the coupling about a quarter turn each time. Then, lift up while giving the screwdriver a turn. Slide the screwdriver between the underside of the coupling and the blender motor. Use a flat head screwdriver to pry the old coupling off. Pry the old coupling off of the motor spindle. Get a new coupling for your blender by visiting our KitchenAid Blender Parts page.ġ. No worries, though that old coupling is toast anyway. Because of this design feature, the easiest way to remove a blender coupling is to simply strip its threads off of the motor spindle, completely destroying the coupling. This is so the coupling can act as a fail-safe against overloading the blender's motor, and to make it easier to remove the coupling from the machine. Steps to Replace a KitchenAid Blender CouplingĬouplings are intentionally made of a softer metal (aluminum) than the steel motor spindles on which they attach. Because blender coupling replacements are so straight-forward, the steps for this repair will be similar to coupling replacement steps on other blender makes and models. We demonstrate the steps to replace a KitchenAid blender coupling below. Because it is the most common part to wear or break on blenders of all kinds, performing this repair at home is a smart way to get the most out of your appliance and avoid a repair shop bill. Replacing a blender coupling is very easy to do and only takes minutes. After the coupling completely fails, the blender's blades will no longer spin at all. You may notice your blender making a grinding sound during use if its coupling is worn or damaged. Over time, the teeth on blender couplings wear down until they no longer engage properly on the blade assembly.
Because the coupling has to make contact with its counterpart on the bottom of the blender's jar to transfer power, it absorbs stress and friction as it spins the blades. A blender coupling is the part of a blender that transfers power from the blender's motor to its blades.
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