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How to alter the blower motor in your hot air furnace

Wednesday, November 9, 2016 4:02
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You learned that the blower motor for your hot air furnace is not willing to turn anymore and have checked it all out. Now, how do you get that motor out of there and get a brand new one in its place? The process really is not as tough as it may appear. Getting things apart is all that good once you learn where to look and what to do.The motor, usually being an AC Motor (Wechselstrommotor) of the Shaded Pole type, but at times can be a DC Motor (Gleichstrommotor).If it is not turning, although the power is connected. The blower wheel spins freely, so you realize that the motor is not good.The wires to the motor happen to be disconnected. They are normally at the front edge of the blower, in the top flange of the blower bracket. Sometimes you may have to remove a condensate trap or the carton that holds the furnace module to arrive at the screws and definitely to remove the blower assembly.Once you find the screws and remove them along with whatever else is in front of the blower you can then slide the blower assembly out towards the front of the unit. Most blowers are sliding on a course of some sort. As you pull them out they are going to only slip right to you personally.

Indicate the location of the motor cables so which you can position the new motor the same once the assembly has been removed by you. Usually there are three screws that hold the motor bracket. Remove the screws and loosen the set screw in the blower wheel hub. Set the blower assembly over something which will allow the motor to hang. By softly tapping on the shaft with a rubber hammer or piece of woodyou are able to get the motor to drop from the hub of the blower wheel. It is recommended that this practice is not applied to a DC Motor (Gleichstrommotor) as it could damage the magnets. But AC Motors (Wechselstrommotoren) would be unaffected. However if the tap does not work attempt turn it and to spray the shaft. Be careful to not score the shaft as this will help it become challenging for the rotating shaft to slide through the hub.
After the old motor is outside, you can then remove the motor mount from the old motor and reinstall it on the new motor. Remount the motor to the blower and tighten the blower hub set screw so your blower spins freely. Always make sure you have removed all power before beginning your work. Changing your blower motorcan be done by most any do it yourself person, with a little patience. It really is not a job you are able to run through. Walk away for a bit if you get frustrated. It’s amazing what happens when you cool down and try with a fresh start again. Take your time, be attentive, and be safe.

 

Please Visit http://www.power-tronic.com/ for more information.

Media Contact:

Powertronic Drive Systems GmbH

Berlin, Germany

Phone: +49 30 7719635

powertronic24@rediffmail.com

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