1. In case of night or emergency, it is carried out under the supervision of the duty commander and the monitor to prevent oil cut-off or drastic changes in oil temperature and oil pressure. During the switching process, it is necessary to contact up and down and operate slowly.
2. If the oil cooler is not filled with oil, the oil should be filled slowly and the air should be exhausted.
3. When switching, open the throttle and adjust the cooling water; Slowly open the throttle, adjust the cooling water in time, so that the oil temperature is in the normal range.
4. Gradually close the exit door of the original oil cooler, and pay attention to the normal oil pressure and oil temperature of an oil cooler. At the same time pay attention to the water i door adjustment.