Adjusting the Blower Speed
An gain in cetacean hurrying can sometimes improve the period of warm breeze through your home . A decrease can make the system quieter . you’re able to increase or decrease the blower speed by slightly adjusting the pulley-block on the blower drive motor .
To increase cetacean speed , slightly loosen the setscrew that holds the pulley block to the driveshaft . Move or reverse the pulley clockwise on the calamus one turn , then fasten setscrew . If more hurrying is desired , release the pulley clockwise two twist .
For decreasing electric fan swiftness , loose the setscrew that hold the pulley block to the driveshaft . Move or turn the pulley counterclockwise on the driveshaft one turn , then reduce the setscrew . If less speed is hope , turn the pulley counterclockwise two turns .
The motor and blower pulley may also get out of alignment . This causes the blower to be noisy and make out down on the efficiency of your statistical distribution system . To check into alignment , place a carpenter ' lame against the exterior of the motor and cetacean pulleys . The pulley should be in a straight rail line and at ripe angle to the motor shaft .
If the pulley-block are not lined up at right Angle to the motor caparison , loosen the setscrew holding the motor pulley and move the pulley backward or forward as ask to adjust it right . If the setscrew is obturate or rusted and wo n’t loose or if the pulleys are out of alignment , loosen the mounting thunderbolt on the motor and slide the motor backward or forward until the pulleys are by rights aline .
Noise and hotness loss from duct are coarse problem with forced - atmosphere dispersion system . In the next division , we ’ll discuss how to solve these issues .
