... , barley, rice, sorghum, millet. wheat and rice Threshing machine/ Super rice and wheat of combine harvester/Threshing wheat and ... , convenient maintenance. High efficiency.Structure and working principle:This machine has into hopper, roller, concave board, and other components ... bolt is loose.6. Before starting, idling for 3 to 5 minutes, observe whether noise and not normal machine phenomenon, and ...