Then put in a few drops of number thirty oil on both ends of the aforementioned shaft sticking out of the motor.
Lubricant for fan motor.
This lubricant oil is produced by liberty oil products and it is a 100 synthetic oil compound.
The furnace blower motor is going to be working in very hot conditions so the type of lubricant you use is important.
It is now so far removed from the way most americans think it.
If there is a c clip pry it off first.
Never put wd 40 in any electric motor even if the rotor is stuck from filthy dried up lubricant.
Afterwards you can oil the fan.
Step 2 lay the fan down on a flat surface with the exposed face up.
Plus it contains detergent.
Apparently wd 40 was the wrong oil to use.
Do not use any flammable lubricant such as oil.
Step 3 apply a light nondetergent household oil that is sae20.
It not only removes any remaining lube but it can melt coil wires the lightly coated copper wires twisted up in electric motors and cause an electrical short.
It is excellent for smaller electric fan motors because it helps to reduce friction when there is a moving surface.
Fan maintenance it s important in this throwaway society to realize the value of maintenance.
First find the point where the shaft is holding the motor and clean that area.
Then swivel the shaft and cleanup any excess oil.
Instead pick up electric motor oil like 3 in one electric motor oil about 3 at amazon.
It s too thin for electric motors.
Then remove the fan s blade and wash it with soap.
Grasp the blades firmly and lift slowly to remove them.
Don t use automotive motor oil.
Whenever you have to lubricate an electric pump bench grinder or other electric motor don t pull just any oil off the shelf.