The fan motor in a window air conditioner can last for many years if it is properly maintained.
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However, after time, the coils may become clogged or the fins may bend, necessitating a new filter.
In addition, the power cord could break, or there could be a lot of noise due to water dripping from the inside.
Window air conditioners are less expensive than central air conditioners, yet just 25 percent of the population has them, according to the US Energy Information Administration.
If you do have a window air conditioner, though, you’ll want to keep reading since we’ll cover how to oil the fan motor.
What is a Fan Motor?
Its primary function is to prevent the compressor from overheating by circulating air around it. For this purpose, it uses condenser coils to cool the superheated refrigerant that flows through them. Your air conditioner’s ability to cool effectively may be compromised if it lacks a working fan motor. This would necessitate additional work and result in an unbearably hot dwelling.
Signs of a Bad Air Conditioner Fan Motor
The following are signs of a bad fan motor:
- The fan is activated while the AC is operating, however the blades rotate slowly.
- Not one of the cooling fans is running
- While running the AC, the condenser unit squeaks.
- When you turn on the air conditioning, you notice a burning scent.
How To Know If My Window AC Fan Motor Is Faulty?
Because of their compact size and high energy efficiency, window air conditioners are the most popular choice for residential use. Everything is easier to do and sleep better when we are in a cool and calm environment.
If you don’t take better care of your air conditioner, you’ll find yourself snoozing in a stiflingly humid and unpleasant environment. If your AC fan motors are showing any of the following indicators, it’s time to replace them.
- If the cooling fans do not come on, this could be an indication that
- When you turn on your appliance and it emits a noxious odor, you know it’s time to call for help.
- It appears as if the fan blades are slowing down, despite the fact that the AC is running.
- When the air conditioner is turned on, it makes rattling noises.
How to Choose Lubricant for Your Window AC
A window air conditioner fan motor must be disconnected from the power supply and its cage removed before you may oil it.
Keep in mind that several types of lubricants are available for window air conditioner fan motors. You should look for a product that has the following:
- Sludge avoidance, acidity reduction, and deposit prevention
- Can shed water entering the lubrication system
- Retains water from entering lubricating system without causing damage.
- High resistance to oxidation
- Defends against rust and corrosion.
- Easy filterability without exhaustion of additives is provided.
How to Oil Your Window AC’s Fan Motor
Because every window air conditioner is unique, it’s best to refer to the instructions when it comes to lubricating it. Oil for high-speed bearings and shafts must be of the highest quality.
Stay clear from motor oils, which contain detergent! The bearings in a motor are poisoned by detergent.
Step-by-step instructions for lubricating the fan motor of your window air conditioner are provided below:
- The disconnect switch can be used to turn off the system’s power. Disconnecting the AC breaker from the breaker box is an option as well.
- To access the motor, remove the top cover of the condenser/compressor unit and you will find it on the underside of the lid. Typically, 8 to 10 screws are used to secure it to the wall.
- With a screwdriver or nut driver, remove these screws. Fan cages are also found in some units.
- .Rotate the cage assembly or cover upside down to access the motor’s oil ports. The ports are usually located on the bottom or the top of the motor, respectively.
- The plug should be removed and all of the oil ports should be covered. The plugs are readily removed with a little screwdriver or by pulling them out by hand.
- Small amounts of oil should be sprayed in the ports until oil begins to leak out of them. This can be done with a small nozzle or hose attached to an oil bottle.
- Clean up any oil that has been spilled with a cotton rag.
- Remove the plugs from their sockets and reinstall them. Rotate the fan blade slowly to ensure that all of the oil has been disseminated throughout the motor.
- .Restore power by moving the fan cage or unit cover back and securing it with screws.
Repairing Your Window AC’s Fan Motor
If you want to safely repair a window ac fan motor, follow this guide. If you’re good with switches and cables and have the necessary tools, it’s a simple and uncomplicated process.
You don’t need to be an expert mechanic to replace a window air conditioner fan motor.
You may easily do it yourself with the help of certain commonly available tools. Our step-by-step instructions are here:
1. Turn Off The Power
Before starting any work, make sure the power is off. On the wall near the compressor, disconnect panels and shut-off buttons are common.
Disconnect the air-power conditioning’s source from the main electrical panel if the panels are missing.
2. Removing Clutter
The exterior condenser should be thoroughly cleaned before installing a new window ac fan motor. Remove any debris, dust, leaves, and dust bunnies.
3. Removing Grill
Your air conditioner’s grill can be removed now with care. As a grill cover, this grill is easy to remove by lifting the edges.
4. Vacuuming The Fins
To remove leaves and other debris from the air conditioner’s fins, use a soft brush. After that, you’ll be able to remove the fan motor with ease and start vacuuming.
5. Removing The Wiring
You’ll find the fan motor attached to the air conditioner through switches and wires beneath the air conditioner’s fins.
Do not pull any wires when cleaning the fins with the hose, since this could cause electrical damage to them. Remove the lubrication from some air conditioner units.
6. Removing The Fan Motor
To remove the fan, just unscrew the mounting nuts and disconnect the power lines. As a bonus, the replacement fan motor must be installed in reverse! Secure the wires, fasten the switches, and fix the fan motor in the central unit of the air conditioner.
7. Finish Up
It’s time to turn on the air conditioner again now that the fan motor has been reinserted. It’s not uncommon for us to forget to turn the thermostat back on due of a lack of attention or carelessness.
If everything goes according to plan, you’ll be able to chill your home more effectively following the window ac fan motor replacement.
Steps To Oil Window Air Conditioner Fan Motor
The fan motor lubricant you use will depend on the model and manufacturer of the AC unit you are using, so keep this in mind when selecting a lubricant. As a result, below are the things you need to keep in mind while shopping for lubrication for your fan motors:
- A foaming agent is included.
- Is it resistant to rust and corrosion?
- When subjected to oxidation, it remains very stable.
- Acidity, deposits, and sludge are prevented from forming.
- There is no added weariness.
- Filtering is simple and fast.
…and that’s all there is to it. Just remember not to use motor oil because it contains detergent, which could damage the fan motor’s bearing. Here’s how to oil the fan motor of your window air conditioner:
Step #1. Disconnect the unit from the power source
This is especially important while working with electronic equipment. Prior to removing the AC unit’s cover, check sure the power is off and that the plug or breaker is disconnected from the main power source.
Step #2. Locate the fan motors
In order to see the fan motor up close, remove the top cover from your compressor or condenser unit. Eight to ten screws hold it in place on the unit’s lid’s underside.
Remove the screws using a screwdriver at this point. As a general rule, don’t be surprised to see a fan cage on your fan motor, as some do. You can use a nut driver in its place if you don’t have a screwdriver.
Step #3. Exposing the motor
The oil ports of a fan motor can be found on the top or bottom of the motor if the fan cage has been removed. Using a little screwdriver or your bare hands, remove the plugs from the oil ports after you’ve located them.
Step #4. Lubricating the fan motor
Take your lubricant of choice, attach a little nozzle to it, and spray small amounts into the ports. Repeat this process until oil begins to pour out of the port. This is where you apply the lubricant.
Put the plugs back in the ports after wiping up the excess oil with a used cloth and slowly spinning the fan to ensure that the oil is evenly distributed throughout the motor. You’ve finished lubricating the motor, so now put the lid back on the device and screw it down firmly. You can now enjoy your air conditioning once more.
People Also Ask (FAQ)
How Do I Oil My Frigidaire Window Air Conditioner Fan Motor When It’s Noisy?
If the fan motor on your Frigidaire window air conditioner isn’t properly oiled, it might make a lot of noise. To grease the fan motor, open the window unit, but be careful because most motors are sealed and difficult to access.
Can You Rebuild The Window Air Conditioner Fan Motor?
Rebuilding your window air conditioner fan motor is something only a professional would be able to handle.
How Much Does It Cost To Replace A Window Air Conditioner Fan Motor?
Replacing the fan motor on a window air conditioner might run anywhere from $300 to $600.
What Is The Difference Between An Evaporator Fan And A Condenser Fan?
The evaporator fan draws in heat from the indoor air, and the condenser fan expels heat from the outside air.
There is a growing trend among consumers to use window air conditioners since they are more cost-effective and environmentally friendly.
Window air conditioners that last a long period require regular maintenance. Once a year, oil the fan motor of your window air conditioner to get the most out of it.