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Maintenance of refrigeration compressor for constant temperature and humidity test chamber, cold and hot shock test chamber

Maintenance of refrigeration compressor for constant temperature and humidity test chamber, cold and hot shock test chamber

October 14, 2024

Maintenance of refrigeration compressor for constant temperature and humidity test chamber, cold and hot shock test chamber

Article summary: For environmental monitoring equipment, the only way to maintain long-term and stable use is to pay attention to maintenance in all aspects. Here, we will introduce the maintenance of the compressor, which is an important component of the constant temperature and humidity test chamber and the cold and hot shock test chamber

Detailed content:

Maintenance plan for refrigeration compressor:

As the core component of the refrigeration system in the constant temperature and humidity test chamber, the maintenance of the compressor is essential. Guangdong Hongzhan Technology Co., Ltd. introduces the daily maintenance steps and precautions for the compressor in the constant temperature and humidity test chamber and the cold and hot shock test chamber

1、 Carefully check the sound of the cylinders and moving parts at all levels to determine if their working condition is normal. If any abnormal sound is found, immediately stop the machine for inspection;

2、 Pay attention to whether the indicated values of pressure gauges at all levels, pressure gauges on gas storage tanks and coolers, and lubricating oil pressure gauges are within the specified range;

3、 Check if the temperature and flow rate of the cooling water are normal;

4、 Check the supply of lubricating oil and the lubrication system of the moving mechanism (some compressors are equipped with organic glass baffles on the side of the cross head guide rail of the machine body),

You can directly see the movement of the crosshead and the supply of lubricating oil; The cylinder and packing can be inspected for oil discharge using a one-way valve, which can check if the oil injector is inserted into the cylinder

Oil injection situation;

5、 Observe whether the oil level in the body oil tank and the lubricating oil in the oil injector are below the scale line. If they are low, they should be refilled in a timely manner (if using a dipstick, stop and check);

6、 Check the temperature of the intake and exhaust valve covers at the cross guide rail of the crankcase with your hand to see if it is normal;

7、 Pay attention to the temperature rise of the motor, bearing temperature, and whether the readings on the voltmeter and ammeter are normal. The current should not exceed the rated current of the motor. If it exceeds the rated current, the cause should be identified or the machine should be stopped for inspection;

8、 Regularly check whether there are any debris or conductive objects inside the motor, whether the coil is damaged, and whether there is friction between the stator and rotor, otherwise the motor will burn out after starting;

9、 If it is a water-cooled compressor and water cannot be immediately supplied after the water is cut off, it is necessary to avoid cylinder cracking due to uneven heating and cooling. After parking in winter, the cooling water should be drained to prevent freezing and cracking of the cylinder and other parts;

10、 Check whether the compressor vibrates and whether the foundation screws are loose or detached;

11、 Check whether the pressure regulator or load regulator, safety valve, etc. are sensitive;

12、 Pay attention to the hygiene of the compressor, its associated equipment, and the environment;

13、 Gas storage tanks, coolers, and oil-water separators should regularly release oil and water;

14、 The lubricating machine used should be filtered by sedimentation. Differentiate the use of compressor oil between winter and summer

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