How to lubricate the blower motor of a furnace.

Two oil ports should be located on the motor and the shaft

As you learn more and more about your furnace, you may find that certain maintenance and cleaning jobs are actually pretty easy to take care of on your own. Sometimes, with a little know-how, you can entirely avoid needing to schedule HVAC service calls for certain furnace needs. This is not to say that if you are uncomfortable with taking care of certain parts of your furnace that you should avoid seeking professional help and try and do it all by yourself. The point is, that you might find it’s easier to take care of certain maintenance and cleaning steps when it comes to your furnace than you initially thought. One of these simple jobs is oiling the furnace blower. The furnace blower takes the heat generated by your furnace and disperses it throughout the house, as you would expect. Keeping your furnace blower well-lubricated can and will result in a longer life for your furnace. This should be done at least once a year. First, shut down the furnace entirely, including turning off the circuit breaker. Then, remove the access panel to the furnace using a screwdriver. The blower motor assembly can typically be found at the base of the furnace. Removing the blower motor from the furnace will often require loosening the bolts securing it with a wrench. Two oil ports should be located on the motor and the shaft. All it will take is two or three drops of oil applied to these ports to lubricate the blower motor. Once everything is fastened back into place and the furnace is turned on once more, the blower motor will certainly benefit from the lube!


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