The low-temperature test box pays attention to the "seven-point maintenance three-point repair", and the high-end equipment also needs good maintenance, but some users do not know enough about the maintenance method, and finally increase the equipment burden. Today, Xiaobian mainly explains the maintenance steps of the low temperature test chamber compressor.
1. Always check whether there are any foreign objects or even conductive objects in the motor, whether the coil is damaged, whether the stator or the rotor is rubbed;
2. Gas storage tanks, coolers, and oil-water separators should always release oil and water;
3. Pay attention to the hygiene of the low temperature test chamber compressor and its equipment and environment, and periodically clean the ash on the compressor condenser. Because too much dust accumulates, it may cause overpressure or uncooling of the equipment;
4. Carefully check the operation sounds of the cylinders and moving parts of the low temperature test chamber. According to the “listeningâ€, it is normal whether it is working properly. If an abnormal sound is found, immediately stop the inspection;
5. Whether there is abnormal noise during the heating process of the motor;
6. Feel the normal temperature of the suction and exhaust cover at the cross rail of the low temperature test box by hand;
7. Check whether the temperature and flow rate of the cooling water in the low temperature test chamber are normal;
8. Check whether the compressor is vibrating, whether the anchor screws are loose or falling off;
9. Pay attention to the pressure gauges at all levels of the low temperature test chamber, whether the pressure gauges on the gas storage tank and the cooler and the indication values ​​of the lubricant pressure gauge are within the specified range;
10. Pay attention to the temperature rise of the motor, the bearing temperature and the voltmeter, and the current meter indicating whether the condition is normal. The current should not exceed the rated current of the motor. If it exceeds, find the cause or stop the inspection;
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