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This article was co-written by James Hornof. James Hornof is the principal electrician, owner, and president of B&W Electric based in Denver, Cporado. With over twenty years of experience in the construction and electrical installation industry, James specializes in site electrical installation, management, volume estimation and design. He graduated from the electrical engineering trade school with top honors and studied business administration at Denver Community College. James holds an electrical license in Cporado, Wyoming, and Texas.
There are 9 references cited in this article that you can view at the bottom of the page.
This article has been viewed 2,241 times.
Whether it’s the fan blades not spinning or the fan making a lot of noise when operating, most fan problems revolve around lack of lubrication and clogging of the ventilation holes. To fix most fan problems, you’ll need to disassemble the fan, lubricate the shaft and bearings, and clean the vents and motor housing. The process of repairing a fan can be difficult if the fault lies in the motor (the fan makes no sound when it is turned on, and the impeller does not rotate even though you have cleaned and oiled the shaft). Since this unit is not too expensive, you shouldn’t waste time fixing the motor yourself, just buy a new fan instead.
Steps
Remove the fan
- Check the fan at multiple outlets. It is possible that the circuit breaker of the power outlet is off, so the fan is not receiving power.
Tip: With most stand and table fans, you don’t have to tinker to test the motor. It is possible that the engine has failed. If the motor does not work, you should buy a new fan. But if you really want to give it a try, feel free to disassemble the fan and fix it.
- The rotating shaft is the metal shaft located between the propeller and the housing.
- Cage is a plastic or metal part with the function of protecting the propeller, avoiding injury to the user. On most fans, the two cage covers will either snap together with hooks or fasten together via the central round cap.
- If you see a screw securing the fan cage, use a screwdriver to open the cage.
- Depending on the fan model, there will be a latch located on the side of the shaft to fix the propeller. This pin usually has a sliding mechanism to lock or open the propeller.
- If the propeller is blocked by the front plastic knob, there will be no nut at the rear and vice versa. This plastic knob/nut serves to fix the propeller to the shaft.
- If there are plastic covers or covers on the front of the engine, unscrew the screws to remove them.
- The motor housing will come off after you remove the screws. If not, insert a flat-head or Philips screwdriver into the air vent and pry the cover off.
- On some desktop fans, the motor is usually located under the base. If the fan doesn’t have a bulky head behind the blade but has a wide base, unscrew the screw located on the base and remove the plastic shield.
Spindle lubrication
- Dry or sticky spindles are one of the common reasons why propellers stop spinning.
- If when turning you find the shaft to rotate easily and without any problems, try turning on the fan to see if the shaft rotates. If not, then the problem is in the engine. In this case, buying a new fan is the easiest option.
- If there aren’t any nuts or bolts, skip this step.
- The nut at this position of the fan can usually be turned by hand.
- You can use any lubricant. Fan oil in particular or engine parts in general is available at most auto parts stores or electrical and mechanical engineering stores.
- Specifications lubricants are all non-toxic, very easy to wipe and wash off with soap. However, you can still wear rubber gloves if you don’t want oil on your hands.
Warning: Use enough oil for the crankshaft surface and avoid getting oil into the engine. If oil is leaking from the shaft, use a towel to wipe off excess oil.
- This allows the oil to seep into the inside of the bolt. If the bolts are not lubricated, they will cause friction that interferes with the operation of the shaft.
- You can also unscrew the bolts and oil them separately if desired.
Clean the engine and vents
- Inefficient ventilation systems can accumulate dirt inside the engine housing. This will cause the fan to stop working, especially for fans with a temperature control feature that helps the device turn off automatically when it overheats.
Warning: Do not use water to clean the engine area. If water seeps into the motor, it may cause an electric shock or damage the fan.
- If the vent is completely blocked by dust or debris, this is most likely the reason why the fan is not operating properly.
- If you want a more thorough cleaning, you can soak the vent cap in soap and let it dry naturally. However, this is not very necessary.
- Many stand and desktop fans are designed with non-removable motors, which makes cleaning and repair extremely difficult.
- Turn on the fan. If the propeller rotates much slower than when you checked the shaft, the motor has a problem. This is an indication that the motor is running too low and not enough for the fan to run properly.
Things you need
Remove the fan
- Screwdriver
Spindle lubrication
- Fan oil
- Wrench
- Cloth or towel
Clean the engine and vents
- Microfiber cloth towels
- Compressed air spray
- Screwdriver
- Wrench
This article was co-written by James Hornof. James Hornof is the principal electrician, owner, and president of B&W Electric based in Denver, Cporado. With over twenty years of experience in the construction and electrical installation industry, James specializes in site electrical installation, management, volume estimation and design. He graduated from the electrical engineering trade school with top honors and studied business administration at Denver Community College. James holds an electrical license in Cporado, Wyoming, and Texas.
There are 9 references cited in this article that you can view at the bottom of the page.
This article has been viewed 2,241 times.
Whether it’s the fan blades not spinning or the fan making a lot of noise when operating, most fan problems revolve around lack of lubrication and clogging of the ventilation holes. To fix most fan problems, you’ll need to disassemble the fan, lubricate the shaft and bearings, and clean the vents and motor housing. The process of repairing a fan can be difficult if the fault lies in the motor (the fan makes no sound when it is turned on, and the impeller does not rotate even though you have cleaned and oiled the shaft). Since this unit is not too expensive, you shouldn’t waste time fixing the motor yourself, just buy a new fan instead.
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