How to Remove and Clean Furnace or AC Blower Wheel

Introduction

This tutorial guides you through the process of removing and cleaning the blower wheel from a furnace or air conditioning unit. A clean blower wheel is essential for optimal airflow and efficiency, which can lead to lower utility bills and better performance of your HVAC system.

Step 1: Gather Your Tools

Before starting, ensure you have the following tools on hand:

• Milwaukee Drill
• Flexible Bit Holder
• Malco Flipbit
• Hex Nut Driver Set
• Motor Hub Puller
• Zoom Spout Turbine Oil

You can find these tools at local hardware stores or through online retailers.

Step 2: Turn Off Power to the HVAC System

Safety is the top priority. Follow these steps to ensure the system is off:

1. Locate the power switch for your furnace or AC unit.
2. Turn off the power to prevent any accidental start while you work.
3. Optionally, unplug the unit if it has a plug.

Step 3: Access the Blower Wheel

To get to the blower wheel, follow these steps:

1. Remove the access panel from the furnace or air handler. This usually involves unscrewing several screws.
2. Carefully set the panel aside, ensuring you don't damage it.
3. Locate the blower motor housing inside.

Step 4: Remove the Blower Wheel

To detach the blower wheel, complete the following steps:

1. Identify the fasteners holding the blower wheel in place.
2. Use the hex nut driver to remove these fasteners.
3. If the wheel is stuck, gently wiggle it to loosen it.
4. Use the motor hub puller if additional force is needed to detach the wheel from the motor shaft.

Step 5: Clean the Blower Wheel

Once the blower wheel is removed, it’s time to clean it:

1. Use a damp cloth or sponge to wipe away visible dust and debris.
2. For stubborn grime, consider using a mild detergent mixed with water.
3. Rinse with clean water and dry thoroughly before reinstallation.

Step 6: Reinstall the Blower Wheel

After cleaning, it’s time to put everything back together:

1. Align the blower wheel on the motor shaft.
2. Secure it in place using the previously removed fasteners.
3. Ensure it spins freely without obstruction.

Step 7: Reattach the Access Panel and Restore Power

To finish the job:

1. Reattach the access panel and secure it with screws.
2. Turn the power back on to your HVAC system.
3. Test the system to ensure it’s operating correctly.

Conclusion

Regular maintenance of your blower wheel can significantly enhance the efficiency of your HVAC system. Remember to perform this cleaning at least once a year to keep your unit running smoothly. If you encounter any issues during this process or feel uncomfortable, consider contacting a professional for assistance.