Commercial Sugar Cane Juicer Press Stainless Steel Rollers with Extractor Food Grade 1.Before pressing, first cut the root and the head.Juice extraction rate: (60-80)/100 2.Diameter of more than 30mm require to break in half. 3.If the machine appears high load,reverse swing directly. 4.Add grease to the transmission gear every week. 5.After squeezing finished, you should wash the rollers timely, make sure no sticky in juice box and keep it clean.