They are in the very center where the fan shaft goes.
Attic fan motor oil.
To oil a ceiling fan use a non detergent electric motor oil which is safe to use with an electric motor.
There is a bearing on each end of the motor.
It is excellent for smaller electric fan motors because it helps to reduce friction when there is a moving surface.
Before you add the oil clean off the fan and oil hole using an all purpose cleaner.
Doing small maintenance on your appliances can extend the life of them by years.
Yes 3 in 1 oil would be good to use.
The bottom one is under the very center silver spot in your photo and the other is where the shaft enters the motor on the top side.
How to lubricate electric fan motors.
An electric fan is no different.
An attic fan doesn t require annual maintenance.
To check if there s enough oil in the fan take a pipe cleaner and fold the end over 1 2 inch to.
You should oil the motor bearings.