Introduction
The nozzle brush located on the end of shaft may break off during the cleaning process. Replacing the brush is as easy as breaking it off.
Parts
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            Rotate the free leg forwards or backwards from the hole. 
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            This relieves the pressure from the inside of the legs allowing you to freely remove the last leg from its hole. 
 
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            Check each leg hole for debris and clear whats needed. 
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            Insert a leg of the new brush into the correct hole, so the brush will click into its erect position. 
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            Slide the other leg into its respective hole. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.