Fan shuts down normally

1. Gradually open the vent valve and gradually close the exhaust valve;

2. Gradually close the air intake throttle to 20~25 degrees;

3. Press the stop button, and pay attention to whether there is any abnormal phenomenon during the stop process;

4. The oil supply can be stopped 5~10 minutes after the unit stops, or when the bearing temperature drops below 45 degrees Celsius. For units with floating ring seals, the sealed oil pump must continue to supply oil until the body temperature is lower than 80 degrees Celsius;

5. After the unit stops, rotate the rotor 180 degrees regularly within 2 to 4 hours