Rieter SOLVO-166T Pyrolyser Cleaning equipment forming thread using pyrolysis method. In pyrolysis process are removed the remains of polymers present on machine parts such as spinneret sets, filters, spinning pumps, and silver plates hereinafter referred to as equipment. Intended equipment is loaded into cleaning chamber and undergoes a cleaning process in a vacuum pyrolysis process. Possibility to clean up to 500 kg of elements of equipment forming thread in one load.