Cleaning assembly

The present invention is directed to a cleaning assembly for an agricultural combine, wherein the cleaning shoe is provided with a sieve having adjustable blades. The position of the blades is adjusted by an adjustment element that is coupled to a drive element located on the cleaning shoe. The sieve is removeably mounted to the cleaning shoe so that the sieve can be removed without disassembling the connection between the drive element and adjustment element. A cleaning assembly for an agricultural combine comprises a cleaning shoe with at least one sieve. The sieve is provided with adjustable blades. The sieve is provided with an adjustment element for adjusting the position of the blades. A driving element is connected to the adjustment element. The sieve can be removed from the cleaning shoe without disassembling the connection between the drive element and adjustment element. The connection is automatically disengaged when the sieve is being removed from the cleaning shoe and automatically engaged when the sieve is being reinstalled in the cleaning shoe.