How to replace an attic ventilation fan.
How to remove attic fan blades.
You may want to flip off the breaker switch that runs power to the room where the ceiling fan is located for added security.
Find where your fan blades are attached to the ceiling fan housing and motor.
Clean the large debris first.
Turn the ceiling fan off and allow the rotation of the blades to come to a complete stop.
Disconnect the fan wiring.
The nut will be on the fan blade collar.
Make sure it is off by using.
Slide the fan off the motor shaft.
Remove the whole house fan.
Measure the length of the ceiling fan blade you just removed.
Turn off the breaker at your breaker box that provides current to the whole house fan.
Make sure you keep the screws in a safe place.
Shut off the power.
Remove loose matter from the fan parts with a paper towel or microfiber towel.
Never trust the attic fan s thermostat.
Remove the fan blade nut that attaches the fan blade to the motor shaft.
Most fan blades attach via two screws near the motor and fan housing.
Separate the grill cover from the back of the fan.
How to remove a whole house fan system.
Remove the shutter assembly.
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.
Use a screwdriver to remove a single fan blade.
Step 2 locate the screws on the blade bracket that secures them to the motor.