Furnaces generally aren’t noisy and designed for noise reduction. A properly functioning furnace shouldn’t make too much noise, especially after initially starting. One that generally needs repairs, and the type of sound you’re hearing can help determine the exact issue with the system. Today we will fix the problem with loud noises in furnace American Standard Gold 80, by replacing the blower motor.
To begin the removal of the old motor, you should make a photo of the motor wire colors and where they are connected. Then you can disconnect them. Next, you should remove the bolts or nuts that hold the blower assembly in the furnace. This is typically two nuts or bolts towards the front of the blower assembly.Then, you can slide the blower assembly out of the furnace. To remove the motor from the blower assembly, start by loosening the set screw that attaches the wheel to the motor. Then remove the motor mounting bolts which hold the motor to the housing. You should be able to pull the motor out now. After you have the motor out, you should remove the mounting bracket from the motor. Be careful to note the orientation of the motor in the bracket. Now that you have the motor out, the next step in furnace blower replacement is selecting the proper replacement. If you are unable to find the exact replacement, you can usually use a universal replacement. To put the motor back in, simply reverse the removal procedure. It is a good idea to replace the run capacitor any time a motor is replaced. After you have finished the procedure, make some checks (by normal usage).
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