1.When you receive the item,need install breathing rod
and add engine oil,keep oil in the red level,then can use.
2.Compressor need water control temperature,so it would
be better use much water in bucket.Compressor work sometimes later,you can
feel water temperature by hand,if it is hot,need put some cooling water.
3.Every time,after fill air,need open two pieces pressure
screw,make sure compressor isn't have pressure,then can turn off the power.