Lasko 3520 20-Inch Cyclone Fan Logo

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Tami Vonahsen Posted on Dec 12, 2013
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High pitch squealing when i turn on fan

When i turn on the fan there is a high pitch squeal.

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vtec

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  • Master 371 Answers
  • Posted on Dec 12, 2013
vtec
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Bearing gone or rotor blade scraping against outer cover

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Anonymous

  • 1187 Answers
  • Posted on Oct 05, 2009

SOURCE: fan blade does not immediately spin when turned on; loud

The motor bearings need machine (like sewing machine oil).
Try a quick spray of WD40 or Liquid Wrench, but use machine oil, soon.
Look for an "oil hole" on top of the motor; there may be two of them.

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