Hemming machine equipment before using it, check that the connection is secure, mounting bolt and nut is tightly secured, and add plenty of lubricating oil within the left and right chassis, started to power on the machine to trial. First empty running carefully observation, has no vibrations, noise, oil window whether to oil, each parts movement whether coordination, all normal hòu to installation mold, installation mold shí, must cut power, with manual moved motor belt or big gear, c steel machine makes Workbench turned bit, and makes sliding seat rose to Supreme points, best with a object support in Workbench and the sliding seat late surface zhi jian, case sliding seat natural whereabouts, caused accident.