Addtime： 2020-07-18 Browse times： 2679
1. Don't use it in supercooled environment.
2. Preheat properly before use.
3. Add the bearing lubricating oil into the bearing body, observe that the oil level should be at the center line of the oil mark, and the lubricating oil should be replaced or supplemented in time.
4. Close the gate valve of water outlet pipeline, outlet pressure gauge and inlet vacuum gauge.
5. Jog the motor to see if the rotation direction of the motor is correct.
6. If abnormal sound is found in the vacuum pump, stop the pump immediately and check the cause.
7. Try to control the flow and head of the vacuum pump within the range indicated on the label, so as to ensure that the vacuum pump operates at the highest efficiency point, so as to obtain the maximum energy-saving effect.
8. The packing gland should be adjusted frequently to ensure that the leakage in the packing chamber is normal, and it is appropriate to let the drip leak out.
9. If the vacuum pump is out of service for a long time, all the pumps should be disassembled, the water should be wiped dry, and the rotating parts and joints should be coated with grease, and properly kept.
10. Regularly check the wear of the shaft sleeve, and replace it in time if the wear is large.
11. When the vacuum pump is used in the cold winter season, after shutdown, it is necessary to screw off the drain plug at the lower part of the pump body to drain the medium completely to prevent frost cracking.
12. When the vacuum pump is to stop using, close the gate valve and pressure gauge first, and then stop the motor.
13. In the first month of operation, the lubricating oil of vacuum pump is changed after 100 hours, and then every 500 hours.
14. Start the motor. After the vacuum pump operates normally, open the outlet pressure gauge and the inlet vacuum pump. Gradually open the gate valve according to the appropriate pressure displayed by the vacuum pump. At the same time, check the motor load.
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