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.
Lubricant for fan motor.
Never put wd 40 in any electric motor even if the rotor is stuck from filthy dried up lubricant.
Then put in a few drops of number thirty oil on both ends of the aforementioned shaft sticking out of the motor.
The furnace blower motor is going to be working in very hot conditions so the type of lubricant you use is important.
This lubricant oil is produced by liberty oil products and it is a 100 synthetic oil compound.
It is excellent for smaller electric fan motors because it helps to reduce friction when there is a moving surface.
First find the point where the shaft is holding the motor and clean that area.
It is now so far removed from the way most americans think it.
Add no more than 1 to 2 drops at each oil port.
Lubricate a box fan motor step 1 remove the front grill of the fan.
Apparently wd 40 was the wrong oil to use.
It s too thin for electric motors.
Instead pick up electric motor oil like 3 in one electric motor oil about 3 at amazon.
Fan maintenance it s important in this throwaway society to realize the value of maintenance.
Do not use any flammable lubricant such as oil.
Afterwards you can oil the fan.
Grasp the blades firmly and lift slowly to remove them.
Plus it contains detergent.
Instead you might look for a particular brand of lubrication which is right for your motor.
Step 2 lay the fan down on a flat surface with the exposed face up.
If there is a c clip pry it off first.
Don t use automotive motor oil.
Step 3 apply a light nondetergent household oil that is sae20.