Modern appliances like a furnace working quiet. But what you can do, when your furnace becomes loud when it turns on. We get for you an answer. Issue it’s a furnace circulation blower fan motor. We got instructions for you - how to replace the blower fan motor in furnace Amana guic090ca30. All following steps you must do on the switched off furnace. Prepare working gloves.
The blower fan motor is normally supported on rails near the bottom of the furnace. Since the motor power wires are connected to a control board that is often located in an upper compartment, two access panels may need to be removed. If applicable, you should ensure the motors run capacitor is discharged by placing a screwdriver with an insulated handle across the terminals. Avoid touching the screwdriver blade. Disconnect the wires from the capacitor terminals, if required. If necessary, you may need to disconnect the thermostat wires from the control board to move them out of the way. Note the orientation of the blower motor power wires, then disconnect them from the control board. Now unthread the screws securing the rails. Carefully slide out the blower assembly. Use an adjustable wrench to loosen the set screw to release the blower wheel from the motor shaft. If required detach the grounding wire. Cut any zip ties securing the motor wires. Now unthread the bolts or screws securing the blower motor. Note (or make a photo) the orientation of the old motor, then lift it off of the blower housing. When installing a new blower motor, you should confirm that the motors capacitor rating matches the existing run capacitor. If not, you will need to replace the capacitor with the required one. Insert the fan motor shaft into the blower wheel, as you properly align the motor on the housing. Thread and tighten the bolts or screws to secure the motor. Use zip ties to secure the wires and reattach the grounding wire if required. With the flat side of the motor shaft facing the set screw, center the blower wheel in the housing and tighten the set screw. Realign the blower assembly mounting rails with the slots on the support, and slide the assembly into position. Replace the screws to secure the rails. Reinstall any components you removed earlier. Attach the blower motor power wires to the appropriate terminals on the control board. Connect the capacitor wires, as required. If applicable, reconnect the thermostat wires as well. Use zip ties to remove any slack from the wiring.
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