3. Add bearing lubricating oil into the bearing body, observe the oil level at the center line of the oil mark, and replace or supplement the lubricating oil in time.
4. Close gate valve of outlet water pipeline, outlet pressure gauge and inlet vacuum gauge.
5. Start the motor and check whether the motor steering is correct.
6. If abnormal sound is found in the vacuum pump, stop it immediately to check the reason.
7, as far as possible to control the flow and head of the vacuum pump in the range indicated on the label, in order to ensure that the vacuum pump in the highest efficiency point of operation, in order to obtain the maximum energy saving effect.
8, often adjust the packing gland, ensure that the packing room drip leakage is normal into the drip leakage is appropriate.
9. When vacuum pump is out of service for a long time, it is necessary to disassemble the pump completely, dry the water, coat the rotating parts and joints with grease and install them for proper storage.
10, regularly check the wear of the shaft sleeve, wear large should be replaced in time.
11, vacuum pump in the winter season when the use of parking, the pump body lower part of the water screw plug unscrewed to put the media clean, prevent freezing crack.
12, vacuum pump to stop using, first close the gate valve, pressure gauge, and then stop the motor.
13, the vacuum pump in the first month of work, after 100 hours to change the oil, after 500 hours, change the oil once.
14. Start the motor. When the vacuum pump is in normal operation, open the outlet pressure gauge and the inlet vacuum pump.