A large manufacturer of construction blocks and asphalt paving mixture has many conveyor belts carrying aggregate. These belts require cleaning on a regular basis to remove any aggregate which collects within the texture and surface of the belt. Cleaning the belt requires a shut down of the operation. This additional weight of material collected in and on the belt increases wear and tear on the drive components. It also falls onto the return idlers and bearings causing damage and necessary repairs. Adding an EXAIR Model 110224 24" (610mm) Aluminum Super Air Knife Kit to mount across the belt width and blast residual aggregate from the surface extends the time between shut downs for cleaning. The Super Air Knife also reduces the wieght load upon the belt and prevents much material from falling on to the return components.