... . Connect the pipeline with gas cylinder;4. Lying down the gas cylinder to let the end of it ... the remaining gas out, then turn of the power, take down the pipeline.8.When uninstall, close the valve of ... gas out, then turn of the power, take down the pipeline.Notice:1. Let the CO2 tank lie ... hose and machine, then turn off the power, and take down the pipeline.4. Clean the machines after usage.NoticeTo ...