If it is necessary to modify the rotation, proceed as follows:
1 ° Release the fan belt by loosening the motor base. Do not remove the engine from its base.
2 Loosen the fixing screw of the moving parts of the motor pulley
3 ° Rotate the moving parts of the pulley towards the fixed part to increase the rotation of the fan; moving away the rotation decreases.
Refer to the Capacity Tables and the Air Flow Curve in the Technical Catalog to determine the operating conditions.
