How To Remove Attic Fan Blades

How to remove a whole house fan system.

How to remove attic fan blades. Step 2 locate the screws on the blade bracket that secures them to the motor. Separate the grill cover from the back of the fan. Remove the screw using a hex head wrench. Turn off the branch circuit breaker on the service panel supplying power to the attic ventilation fan.

Clean the large debris first. The nut will be on the fan blade collar. Remove the fan blade nut that attaches the fan blade to the motor shaft. Use a solution of hot water and mild or an all purpose cleaner to wipe down the blades and all fan parts inside and out.

Find where your fan blades are attached to the ceiling fan housing and motor. Measure the length of the ceiling fan blade you just removed. Remove loose matter from the fan parts with a paper towel or microfiber towel. Turn the ceiling fan off and allow the rotation of the blades to come to a complete stop.

Turn off the breaker at your breaker box that provides current to the whole house fan. Remove the whole house fan. Slide the fan off the motor shaft. Make sure you keep the screws in a safe place.

Disconnect the fan wiring. Most fan blades attach via two screws near the motor and fan housing. Remove the shutter assembly. You may want to flip off the breaker switch that runs power to the room where the ceiling fan is located for added security.

Remove the screws holding the cover on the electrical connections box using a flat blade or phillips head. Use a screwdriver to remove a single fan blade. How to replace an attic ventilation fan.