Attic Fan Belt Tension

To test belt tension with power off squeeze belt together with light force.

Attic fan belt tension.

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Whole house fans pull air in from open windows and exhaust it through the attic and roof. Let s take a look at how to resize a belt and the steps it takes to be sure the job is done right the first time. Adjusting attic fan belt tension i just bought a house with a dayton whole house fan in my attic. To replace a broken fan belt remove the belt and substitute a functional one in its place.

Here are several effective ways to measure belt tension. Then torque the adjustment bolt to the manufacturer s specifications. The fan may not start property if too much tension is placed on the belt. These belts have a thinner cross section and lighter gauge tensile cord figure 6 making them more flexible and able to bend around small sheaves.

A space between the belts should be about 1 3 4 at proper belt tension. In addition to cooling the building it also provides good attic ventilation. Commercial building with the fans found here. Inspection start by inspecting the existing belt motor fan and pulleys.

Once the drive belt is moved into its desired tension tighten the adjustment bolt to lock the belt in place. Cool a 500 sq. An attic fan draws hot air out of the top of a home and vents it outside. Check to be sure the original belt s groove size fits the pulleys and make sure the bearings shafts and set screws are in good condition and secure.

Add tension to the drive belt. I d like some guidance to remove and replace the existing belt then properly adjust the belt tension. Do not over tighten the belt. Beat the heat without breaking the bank with a whole house fan from grainger.

Correct fan belt tension ensures proper system performance and long belt and fan motor life. The fractional horsepower v belt profile is designed for light duty applications such as lawnmowers snow blowers attic or furnace fans etc. Jeff tideman 286 076. Insert the pry bar above the alternator pulley.

Conversely an improperly. A broken fan belt stops the motor from engaging the fan blades and must be replaced if the attic fan is to continue being used. The best attic fan chicago tribune fan belt for 24 in and 30 whole house fans 36 42 top 10 best whole house fan in 2020 ing ventamatic 36 in belt drive drum fan bf36bd tsc at tractor. A properly tensioned belt ensures smooth operation and extends the service life of fans and motors.

Brian mleziva greenheck fan corp schofield wis. Apply gentle pressure upwards so that it adds tension to the drive belt. Vintage and antique fans 5 480.