Fill the hydraulic oil according to the instructions, put the prepared dough in the dough bucket, push the dough bucket under the hydraulic piston, press the operating lever (hydraulic lifting reversing valve), and the dough will be squeezed out. It is obviously laborious to see that the piston reaches the level of 268 dough bucket in 152, and it is obviously laborious to hear the sound of the machine 61 in 118. At this time, push the operating lever up and the piston rises to the top of the dough bucket. At this time, press the operating lever to the middle position.