I believe it has to do with the way the motor is mounted.
Furnace blower wheel wobble.
If you hear this sound turn off your furnace immediately.
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Balancing a blower wheel 4 answers hello i replaced a blower motor and the blower wheel on a carrier 58pav135 20.
Also known as a blower wheel or squirrel cage fan applications include ventilation air conditioning heating and dehumidifying in industrial and commercial applications.
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When your furnace blower wheel is broken it will make your furnace sound like metal scraping against metal and will really hurt your ears.
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I removed the blower assembly carefully repositioned the blower wheel it had rotated about 15 degrees from alignment with the flats on the motor shaft tightened the set screws and reinstalled the.
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Most of the time a piece of something filter furnace insulation paper dirt has become sucked in the blower wheel squirrel cage and causes it to become off balance and wobble.
It takes a puller that latches onto that set screw hole with a bolt and the pulls against the end of the shaft.
You can buy a surplus blower wheel for about 10 20 plus shipping.
You will most likely need to replace this part on your furnace but don t worry it is a fairly easy repair and can usually.
Does anyone have a tip or trick about how to get everything.
Most of the time wobbling inside the furnace is caused by the blower wheel being out of balance.
The weakest point of course is the middle the frame will compress and that s why you get a perfect crease.
This morning the blower wheel in my york furnace came loose creating a lot of vibration and loud noise that could be heard throughout the house.
The blades want to pull away from the axis of the shaft so if they re too weak to handle the g force they ll bend at the weakest point.
