Description
The Lennox 97J56 Adjustable Motor Pulley/Sheave is a drive component that fits around a motor shaft with a 1-3/8″ bore and offers two belt grooves to adjust the position of the belt in HVAC systems. It enables the technicians to modify the effective pulley diameter and correct blower or fan speeds on air handlers and rooftop units. In practical applications, this sheave is installed in the service process, airflow and performance of the system. It helps the mechanical drive and assists in the attainment of the intended airflow rates in the heating and cooling processes.









