How to Lubricate a Furnace Draft Inducer Blower
- Step 1. Turn off the circuit breaker to your furnace. Go to the furnace and remove the service panel from the blower...
- Step 2. Put on safety goggles or glasses. Spray compressed air where the motor meets the blower wheel housing.
- Step 3. Find the two rubber caps that cover the oil ports on the motor. The caps might be on...
Full Answer
How do you lubricate a blower motor on a gas furnace?
Apply two to three drops of 3-in-1 oil to each port. Push the caps over the oil ports. Spray a thin film of silicone lubricant on the motor shaft where it enters the blower wheel bearings. Reinstall the service panel, then turn on the circuit breaker to power the furnace.
What kind of oil do you put in a furnace blower?
Buy non-detergent oil that is exclusively made for the furnace blower motor. Do not use an all-purpose oil, as it is not apt for this procedure. Lubricate the oil ports by applying a few drops on them.
How much oil do you put in a blower motor?
Lubricate the oil ports by applying a few drops on them. Two or three drops will suffice. Do not apply too much oil, as over lubrication can lead to other complications. Blower shafts on the furnace blower motor could have additional oil ports.
How to clean a blower motor shaft?
This removes dust and dirt away from the blower motor shaft. Wipe the top of the motor with a clean rag to remove dust and dirt from around the oil ports. Find the two rubber caps that cover the oil ports on the motor. The caps might be on the side near the shaft or on the top of the motor body. Pull the oil caps off the motor with your fingers.
How do you lubricate a blower motor on a furnace?
Apply two or three drops of 10-weight nondetergent motor oil (not all-purpose oil) to each port. Do not overlubricate. If the blower shaft has oil ports, it, too, should be lubricated annually, following the same procedure. You'll probably have to remove an access plate to get at the ports.
How do I lubricate my blower bearings?
3:065:41How to oil the HVAC fan motor - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf it moves stiff you can oil it and it will probably maybe start working again don't count on itMoreIf it moves stiff you can oil it and it will probably maybe start working again don't count on it and the bearings are damaged.
How do you oil a furnace bearing?
0:0610:01How to oil electric HVAC fan motors with no port - Squeaky Furnace ...YouTubeStart of suggested clipEnd of suggested clipAdd oil in if you check out the manual that came with this furnace. It says it doesn't need to beMoreAdd oil in if you check out the manual that came with this furnace. It says it doesn't need to be oiled well that's not true we got to get in there and get them oil. In.
How do you fix a squeaky blower motor on a furnace?
The project requires you to carefully remove and oil the blower motor, thus reducing the noise. For the belt-driven furnace motors, the same squealing sound might arise if the belt is loose. This means that you'll need to adjust the blower belt to reduce the noise and ensure smooth operation.
Can I use wd40 on my furnace motor?
Never use WD-40! Lubricate the bushings on both sides of the motor.
Why is my furnace blower motor so loud?
Your blower motor forces the warm air out of your furnace and through the air ducts in your home. The blower motor needs routine lubrication, and often a specific kind of lubrication to upkeep performance and function over time. Otherwise, the fan might seize up and cause a loud noise (and an even louder repair bill).
What oil do you use for bearings?
In general, both mineral oils and synthetic oils can be used for ball bearing lubrication. Synthetic oils are mainly used for high temperature fluctuations in the working process.
Can you use wd40 on a fan motor?
With WD-40 Multi Use Product, lubricating your ceiling fan becomes easier. The all-purpose liquid allows you to clean your fan and ensure its smooth functioning within a few minutes. A couple of WD-40 sprays would make your ceiling fan sparkling clean and reduce friction within its body.
How do you lubricate a furnace draft inducer blower?
1:563:26Furnace filter replacement; oil the inducer motor - YouTubeYouTubeStart of suggested clipEnd of suggested clipI'll tell you that's how you lubricate your furnace. These days the the dry the fan motor is not inMoreI'll tell you that's how you lubricate your furnace. These days the the dry the fan motor is not in service we don't boil the bearings.
How do I stop my furnace from squeaking?
Schedule appointment today!Make Sure Your Furnace Is Clean.Make Sure Your Vents and Ductwork Are Unobstructed.It Could Be a Loose or Worn-Out Fan Belt.It Could Be the Blower Motor Bearings.
Why is my furnace making a loud squeaking noise?
A high-pitched squeal coming from your furnace is usually the result of an issue with the blower. The blower in your furnace is powered by a motor, which has bearings that can wear out because of age or overheating. Overheating is usually caused by dirt buildup or a bad capacitor.
Why is my furnace making a squeaking sound?
Furnace Making a Squealing Noise The most obvious culprit is the belt in your blower motor. Just like a car, your furnace has a belt that helps power the system. With enough use the belt can wear thin and need to be replaced. When the belt worn too thin or out of alignment it will make a high pitched squealing noise.
Which grease is best for fan bearings?
Mixing polyurea and lithium complex-based greases may cause bearing failures because some of these thickeners are incompatible. Therefore, the options are to either introduce a new grease into the lubricant store room or purge the fan bearings and use polyurea-based electric motor grease in the fan bearings.
How do you lubricate AC motor bearings?
Electric Motor Bearing Lubrication ProcedureEnsure the grease gun contains the appropriate lubricant.Clean the areas around the relief and fill fittings.Remove the grease relief valve or drain plug.Grease the bearing with a calculated amount of grease. ... Watch for grease coming out the relief port.More items...
What kind of oil do you use in a condenser fan motor?
I recommend lubricating your condenser fan motor's sleeve bearings yearly. Amsoil's RCH Series, Synthetic RC Series Rust & Oxidation/Antiwear Gear, Bearing, andHydraulic Oil, and Exxon Mobil's SHC624 Synthetic Motor Lubricant are some of the top lubricants.
What causes fan bearing failure?
While it may seem like common sense, standard wear and tear is one of the leading causes of bearing failure. Eventually all bearings fail due to wear, however, excessive load, vibration or force can cause a bearing to wear out long before it should. Most of this excess force is caused by improper installation.
What happens when a furnace blower motor is dirty?
The furnace blower motor comes equipped with fans. If these fans become dirty or lack lubrication, they start
Can you use all purpose oil on a furnace blower?
Buy non-detergent oil that is exclusively made for the furnace blower motor. Do not use an all-purpose oil, as it is not apt for this procedure.
How do I lubricate my furnace blower bearings?
A furnace blower bearing is a mechanical device that is used to create a smooth, non-interrupted flow of air in a home’s heating and cooling system . It is typically found inside the furnace and consists of a motor that turns a fan which, when combined with the suction from the home’s forced air vents, creates an even distribution of heated or cooled air throughout the house.
How are my furnace blower bearings cleaned?
Usually, they are cleaned by taking them apart and giving them a thorough inspection which will include cleaning and repacking them. The method used to remove and reinstall these bearings depends on what kind of blowers you have. If you need help with your blower bearings, contact a professional like Gator Air for service and repairs.
What does a bad blower motor in furnace sound like?
Bad furnace blower motors are notoriously noisy. While it is important for the motor to operate smoothly without excessive noise, it is equally important to have a quiet unit. A digital tachometer can be used to identify any abnormal engine noise.
What causes my furnace blower bearings to make noise?
Your furnace’s blower bearings are most often the problem when it comes to any kind of loud humming or buzzing noises. These bearings are typically lubricated when the unit is manufactured, but that is not the end of the service life. It is important to use some type of regular maintenance program in order to extend your blowers’ service life which will help prevent any issues you might have in the future.
How much does it cost to replace a blower bearing on a furnace?
It can cost anywhere from $70 to $150 to replace just one of these components if it isn’t working properly. Of course, there are some brands that are more expensive than others, but this is due to the amount of time it takes to produce the product. Typically, the more parts you have within a furnace, the more expensive it will be to replace parts. However, the price of the replacement parts will vary by brand.
How do I know if my fan motor bearings are bad?
When the fan motor bearings get dirty they will cause the noise. This can go undetected for quite some time because the bearings are located within the motor. There are a few ways to confirm this problem. First, you can turn off your HVAC system and listen for the sound. If the sound continues, it is likely that you have a dirty blower motor bearing. The other way to test this is to see if a wire from your furnace is warm or hot after the system has been running for a while. If it is warm, then it indicates that there is a possible short in the circuit board and needs immediate attention from a professional HVAC technician.
How can I prevent my blower bearings from making noise?
By running the unit at its full capacity for no more than 10 minutes at a time, you can ensure that it will continue to operate properly without any issues. It is also important to clean and lubricate your blower bearings on regular basis in order to prevent them from getting too dirty or worn out too quickly .
How do I lubricate my furnace blower bearings?
A technician can clean your blower wheel with a vacuum and lubricate the bearings with a bearing grease. There are several different kinds of bearing grease available. They come in various viscosities, depending on the task you are asking them to perform.
How do you fix a noisy furnace blower?
However, the loud noise usually increases as the motor wears out. Your technician can test your motor to determine if it needs replacement. Additionally, you could replace a worn out motor with a new one or repair it with a rebuilt replacement that uses less energy for better efficiency.
