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Why fan is making loud noise when it rotates

Why fan is making loud noise when it rotates when it starts rotating it gives loud noise as if something is struck inside.but nothing is actually there .

Asked by: Guest | Views: 63
Total answers/comments: 4
mcgyver89 [Entry]

"ChuckJ



Rep: 97




1


1"
mcgyver89 [Entry]

Sometimes the plate the blades mount on can come loose. You may need to remove all fan blades, level the mounting plate (usually one set screw tightens against a rotating shaft). Turn the fan on w/o blades to see if the plate wobbles and then replace blades.
mcgyver89 [Entry]

Have you checked the alignment, It could be unlevel.
mcgyver89 [Entry]

have u try to check the blade of a fan? maybe there is a bit crack that cause loud noise.