It could be something causing the fan blades to bind but that d make a clattering noise as in a playing card in the bicycle spokes.
How to oil an attic fan motor.
This is the kind of oil that works well for fans.
Grasp the blades firmly and lift slowly to remove them.
Fill the oil hole with 1 2 ounces of oil.
Remove the front grill of the fan.
Confirm that the circuit breaker for the fan is off.
My attic fan started squeaking this morning.
Just a little will do the job.
Lay the fan down on a flat surface with the exposed face up.
Went to hd and lowes picked up a new thermostat and fan motor.
Unless the fan is locked up solid.
Buy non detergent electric motor oil.
Is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air with.
Attic fans gable vent fans generally aren t made to be serviced the fan is probably pressed onto the motor shaft and there s no practical way to replace it in the field.
Before doing anything make sure that the breaker for the fan circuit is off.
I couldn t see any.
Make sure there isn t any.
Then reach up through the fan blades and oil the bearing by feel.
Was gone for about an hour.
Use a rag to clean off your fan with an all purpose cleaner.
The best product for one situation is not necessarily the best product for another even when that product is considered to be the best all around product on the market.
Squeeze a little in the works.
Purchasing an electric fan motor lubricant can be more difficult that some people realize because there are many factors that you have to consider.
If removing the motor is too daunting you could try oiling it from below.
It would start up and then stop less than a minute later.
It was running at a very low rpm.
Clean the oil hole and fan.
How to lubricate electric fan motors.
Trouble shoot repair roof mounted attic fan.
An attic fan doesn t require annual maintenance.
If there is a c clip.
Apply a light nondetergent household oil that is sae20.
The fan can start automatically and without warning.