1. Check the sealing performance when the valve is closed once a week, that is, determine the sealing effect of the valve by hand touch and ear hearing, and report the problem in time for report processing;
2. Check the cooling water temperature, water pressure and leakage outside the class before the shift, and find out the problem in time;
3. When opening and closing the valve, pay attention to observe the smooth running condition and find the problem in time;
4. Regularly add lubricating oil and grease twice a week to prevent oil-burning damage to the running parts;
5. It is strictly forbidden to use under the condition of insufficient cooling water and water cut;
6. Regularly inspect and clean up the deposits in the valve and find that the abnormalities are handled in time;
7. For instructions on using the electric valve for electric valves, please read the instructions for the electric device supplied.
2. Check the cooling water temperature, water pressure and leakage outside the class before the shift, and find out the problem in time;
3. When opening and closing the valve, pay attention to observe the smooth running condition and find the problem in time;
4. Regularly add lubricating oil and grease twice a week to prevent oil-burning damage to the running parts;
5. It is strictly forbidden to use under the condition of insufficient cooling water and water cut;
6. Regularly inspect and clean up the deposits in the valve and find that the abnormalities are handled in time;
7. For instructions on using the electric valve for electric valves, please read the instructions for the electric device supplied.
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