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Screeching noise when high velocity pedestal fan is turned on

When I turn on the fan, it makes a screeching high pitch noise. The manual states that the motor bearings are permanently sealed and do not require additional lubrication.

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  • Anonymous Nov 29, 2008

    I have the same problem asd lbwilliams12, except that it sceeches on any speed (louder on high, spfter on low). Sounds like something needs to be oiled.

  • Anonymous Jan 31, 2009

    I have the same screeching noise coming from my Kaz HT-800. The noise continues on all speeds. If the bearings are sealed where could I try lubricating it? Is it even worth taking apart?

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5 Suggested Answers

  • 55 Answers

SOURCE: kenmore dryer making excessive noise

Likely the main drum bearing in the back. I have seen these go bad, and loud squeaky noise tells you. You can get a new main bearing and replace. It is in the center of the back of the drum, accessee through back panel of dryer usually.

Posted on Mar 10, 2008

Benimur
  • 6966 Answers

SOURCE: My ceiling fan - Casa Viejo

Sorry for the delay in response. Electrically, there should be no potential hazard since there would be no more "juice" running through the circuitry.

Posted on Nov 14, 2008

  • 1 Answer

SOURCE: dryer makes screeching noise runs for awhile then shuts off.

The 1,5 year new dryer makes a terrible screaching noise when it has a load of clothes in it. It still dries fine, no problem with the heating element. No noise without clothes, only when it has a load.

Posted on Nov 23, 2008

  • 1214 Answers

SOURCE: Kenmore 110.86874100 Motor (?) Squealing

I don't think they can be, but, also take a look at the fan bearing assembly too. You should be able to isolate if the noise is from the motor bearings or blower bearings.

Posted on Jan 26, 2009

onthejob5130
  • 640 Answers

SOURCE: Lady Kenmore Dryer Making Loud Screeching Noise When Drum Turns

defective rollers..replace

Posted on Jan 29, 2009

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The Attic fan on my house roof is making a loud screeching noise. What is wrong with it and what do I need to do to fix it?


My estimation is that the bearings in the fan are in need of lubrication. What I suspect is happening is the fan is offering too much resistance to the motor, causing the fan belt to slip on the pulley and make the screeching sound.

Have a look at the inside surfaces on the belt and see if they are dull or shiny. A new belt will have dull, non-reflective surface. An older belt will have inner surfaces that look like glass and can't get a good grip on the pulley.

I suggest first loosening the motor (power disconnected first, of course) mounting and check by hand the ease of rotation of the fan shaft. If it's stiff or resistant to your turning it by hand, put a drop or two of light machine oil (like the sort used on sewing machines) in the space between the shaft and its bearing. Work it in a bit and see if that helps it turn more freely. The difference could be dramatic! You might need to add a drop or two more to help it along if it's really dry.

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If the fan is fairly new, remove it and return it to Home Depot. It is almost certainly something that has fallen down into the motor and is rubbing loudly enough to make a squeak as the fan runs faster.

The fan itself has sealed lubrication and you don't have to lubricate it.

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Sorry for the delay in response. Electrically, there should be no potential hazard since there would be no more "juice" running through the circuitry.

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Sorry for the delay in response. Electrically, there should be no potential hazard since there would be no more "juice" running through the circuitry.

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The fan does not need to be oiled. The bearings are what manufacturers described as "permanently-sealed", which means that they're designed such that they don't require oiling. The manufacturers recommend against oiling, and if you really wanted to do it, you'd have to be an expert, because there is some very complex disassembly to be done, which requires specialized tools.

HOWEVER...

The problem is not related to oil. A lack of oil does not produce a hum. If a fan's bearings are low on oil, the sound generated is a scraping or brushing sound. A hum, on the other hand, is an electrical sound. All fan motors hum to some degree -- the cheap made-in-China ones, like in your Hampton Bay fan, hum more than others. There are some steps you can take to reduce the hum:

* If you are using the fan with a solid-state control (i.e. a dimmer), that will cause the fan to hum. These controls are dangerous when used with fans, and a fire can result. You should have a qualified person remove the switch immediately and replace it with either a regular on/off switch OR a discrete-speed (i.e. 3-speed or 4-speed, rather than variable-dimmer) switch. Specially-designed ceiling fan switches such as this are available at your local Home Depot or Lowes. You could also use a remote-control system.

* If you have a remote control or other speed control system, make sure that the pull-chain speed control on the fan is set to the "high" position (highest speed possible) and left there.

* Make sure that all the screws are tight -- this includes screws which hold up the fan's mounting bracket, hold the blades onto the fan, and hold any applicable glass onto the light kit.

* Even if you don't have a speed control, the motor will still produce an electrical hum -- and the blades, which are physically attached to the motor, serve as mechanical amplifiers -- they take the tiny electrical hum and amplify it just like the big brass funnel speaker on an antique gramophone (record player) takes the tiny vibrations of the needle on the record and amplifies them to a comfortably audible level. High-end fans have a rubber flywheel attached to the motor between the blade holders and the motor unit -- and since rubber doesn't transmit vibrations well, this effectively deadens the sound. Your fan doesn't have one of these, but you can effectively replicate the noise-dampening effect by putting rubber washers between where the blade holders touch the bottom of the motor AND between where the screws which hold the blade holders onto the motor, meet the blade holders themselves. This will completely remove the path along which the sound vibrations can flow to the blades, and thus your hum will stop.

I hope this helps you! If you have any other questions, or need clarification, please ask!

Jun 14, 2008 | Hampton Bay 24002 Ceiling Fan

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Celing fan making noise, how to oil


The fan does not need to be oiled. The bearings are what manufacturers described as "permanently-sealed", which means that they're designed such that they don't require oiling. The manufacturers recommend against oiling, and if you really wanted to do it, you'd have to be an expert, because there is some very complex disassembly to be done, which requires specialized tools.

HOWEVER...

The problem is not related to oil. A lack of oil does not produce a hum. If a fan's bearings are low on oil, the sound generated is a scraping or brushing sound. A hum, on the other hand, is an electrical sound. All fan motors hum to some degree -- the cheap made-in-China ones, like in your Hampton Bay fan, hum more than others. There are some steps you can take to reduce the hum:

* If you are using the fan with a solid-state control (i.e. a dimmer), that will cause the fan to hum. These controls are dangerous when used with fans, and a fire can result. You should have a qualified person remove the switch immediately and replace it with either a regular on/off switch OR a discrete-speed (i.e. 3-speed or 4-speed, rather than variable-dimmer) switch. Specially-designed ceiling fan switches such as this are available at your local Home Depot or Lowes. You could also use a remote-control system.

* If you have a remote control or other speed control system, make sure that the pull-chain speed control on the fan is set to the "high" position (highest speed possible) and left there.

* Make sure that all the screws are tight -- this includes screws which hold up the fan's mounting bracket, hold the blades onto the fan, and hold any applicable glass onto the light kit.

* Even if you don't have a speed control, the motor will still produce an electrical hum -- and the blades, which are physically attached to the motor, serve as mechanical amplifiers -- they take the tiny electrical hum and amplify it just like the big brass funnel speaker on an antique gramophone (record player) takes the tiny vibrations of the needle on the record and amplifies them to a comfortably audible level. High-end fans have a rubber flywheel attached to the motor between the blade holders and the motor unit -- and since rubber doesn't transmit vibrations well, this effectively deadens the sound. Your fan doesn't have one of these, but you can effectively replicate the noise-dampening effect by putting rubber washers between where the blade holders touch the bottom of the motor AND between where the screws which hold the blade holders onto the motor, meet the blade holders themselves. This will completely remove the path along which the sound vibrations can flow to the blades, and thus your hum will stop.

I hope this helps you! If you have any other questions, or need clarification, please ask!

Apr 30, 2008 | Hampton Bay 24002 Ceiling Fan

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