Summary of the article: For environmental testing equipment, the only way to maintain long-term and stable use is to pay attention to all aspects of maintenance, here is the compressor about one of the important components of the constant temperature and humidity test chamber and the thermal shock test chamber. Maintenance
details:
Refrigeration compressor maintenance program:
As the core component of the constant temperature and humidity test chamber refrigeration system, the compressor is indispensable for maintenance. Guangdong Hongzhan Technology Co., Ltd. introduces the constant temperature and humidity test chamber, daily maintenance steps and precautions for the thermal shock test chamber compressor:
First, carefully check the movement sounds of cylinders and moving parts at all levels according to "listening" to distinguish whether its working condition is normal, if it is found that abnormal sounds immediately stop the inspection;
Second, pay attention to the pressure gauges at all levels, whether the pressure gauges on the gas storage tanks and coolers and the indication values ​​of the lubricant pressure gauges are within the specified range;
3. Check if the temperature and flow of the cooling water are normal;
Fourth, check the supply of lubricating oil, the lubrication system of the moving mechanism of the oil supply (some compressors are equipped with plexiglass baffle on the side of the crosshead rail of the fuselage,
You can directly see the movement of the crosshead and the supply of lubricating oil); the cylinder and the packing can be used for one-way cutting and oil discharge inspection, and the oiler can be inspected to the cylinder.
Oil filling situation;
5. Observe whether the oil level of the fuselage oil pool and the lubricating oil in the oiler are lower than the scale line. If it is low, it should be added in time (use the oil dipstick to stop the inspection);
Sixth, check with the hand to check whether the temperature of the suction and exhaust cover at the cross-rail of the crankcase of the fuselage is normal;
7. 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 must not exceed the rated current of the motor. If it exceeds, find the cause or stop the inspection;
8. Check the motor for any debris or even conductive objects, whether the coil is damaged, whether the stator or the rotor is rubbed, otherwise the motor will burn out after the motor starts;
9. If the water-cooled compressor can not immediately pass water after water is cut, avoid cylinder cracks due to uneven heat and cold. After parking in winter, drain the cooling water to avoid freezing and cracking of the cylinder;
10. Check whether the compressor is vibrating, whether the anchor screws are loose or falling off;
XI. Check the pressure regulator or load regulator, whether the safety cutting is sensitive;
12. Pay attention to the hygiene of the compressor and its equipment and environment;
13. Gas storage tanks, coolers, and oil-water separators must always release oil and water;
14. The lubricating machine used should be precipitating and filtering. Winter and summer compressor oil should be used differently
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