How To Replace Bearings In Attic Fan

With fan off go into the attic. Is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air with. Tap the motor a few times with the handle end of a hammer or piece of wood as if you were swatting a bug.

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Not all attic fans have ball bearings.

How to replace bearings in attic fan.

The purpose of ball bearings is to make the fan run. Use a screwdriver and gently pry the bearings out from the motor housing seals. Replacement blades usually cost around 20 30. There are many replacement blades available on amazon.

Lift the bearings from the housing with your fingers once the bearings are loose. Trouble shoot repair roof mounted attic fan. It s a more affordable fix than getting a new attic fan. Replace all the parts.

So if your s doesn t you can skip this step completely. Spray some lubricant wd 40 or similar into the air ports at the top bottom of the air holes in the fan housing for about 3 to 5 seconds. Inside you ll find the ball bearing assembly and can evenly coat each bearing with the oil. Each half has two bearings one at the front and one at the back.

Do this carefully and don t scratch the seals. Once the fan is re installed run it at normal speed until the sound disappears signaling that the bearings have fully re oiled themselves.