What is a coupler?
Blender couplers connect the base of the blender to the jar. There are several different types used, depending upon the model blender. Some models have a black "crown-shaped" piece that sits on the base of the blender. Other models have "recessed" couplers, which means the protruding part is on the blender jar base, and the recessed portion is on the blender base.
Possible causes of damage or wear?
- Pushing down on the lid of the blender or removing the jar from the base while still spinning can cause the coupler "teeth" to come off.
- Blending chunky items like frozen fruits or vegetables immediately at high speeds can cause wear on the coupler. It is important to use the "pulse" button to break up chunky items first before progressing to the higher speeds if your model has one. This results in a much smoother "smoothie" in less time because it allows the items to fall to the blender blade to be impacted. Using a high speed initially causes the chunky items to float around in the middle of the jar, and it takes longer to achieve a smooth consistency.
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