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No. 2753
Fan blades accumulate no end of dust, dander, arisolized (spelling)oils that can can deposit themselves unevenly on the blades creating the off ballance. Just cleaning the fan blades and case should fix the problem. If not, either the plastic fan blades ore not trimmed to balance, (like balancing a car tire) or the bearings and fan mounting was manufactured out of center. In which case you have a warrantied defect. Cleaning is easiest.
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