Repeatedly move screw forwards and backwards for several times and let all material resided in the chamber goes out and adjust the cake to the possible thinnest, then stop the
6yl oil press machine.
When machine stops caused by any accident, power supply must be shut down first, then rotate large pulley manually backwards* let the material return out. Then pull out the shaft and clean it. In the case the shaft could not be pulled out. Remove the upper case and loose lock nut, separate round plates and clean them one by one.
