1 you must know well the relevant contents of the operation instruction manual
2 anticlockwise of vacuum pump motor is strictly prohibited
3 before operating adding HFV - High speed vacuum pump oil (or gear machine oil)
4 oil level should not be lower than 1/2 height of oil window, it is strictly prohibited if max. oil level exceeds 3/4 height of oil window.
5 check oil quality frequently, if the oil in vacuum pump contains moisture or other impurity, always the oil timely. for the first 72 hours running, you must change the oil, then every 300 hours to change it.
6 when filling inert gas,circumscribing pressure of air source should not be lower than 0.04 MPa
7 filter must be kept drying ang clcaning. otherwise, thet will effect use. if the filter dipped with oil or dirty. you should change it or cleaning with gasoline then dryin