1. Keep the use of the machine environment clean, the use of the environment should not be too humid.
2. Do not use this product in harsh environments such as flammable and explosive.
3. The three-phase four-wire system should be configured with the same type of socket as the machine power supply, and should conform to the three-phase four-wire power supply requirements; Single-Phase machine should be equipped with triple-pole power outlet, and ensure reliable grounding of the machine.
4. Repair the machine should unplug the power supply, in case of electric shock.
5. Keep the vacuum chamber part of the best clean state, and regularly wipe the internal machine, the pump oil, can only be added to the vacuum pump oil window two-thirds position. and strictly according to the vacuum pump use and maintenance instructions.