Air Compressors are very versatile. It can be used for instrument control and automation equipment, such as tool change in machining centers. It can also be used in wind tunnel experiments, underground passage ventilation, metal smelting, etc. Since Air Compressors are so widely used, what should we pay attention to when using Air Compressors and how to maintain them? Today we will introduce the safety precautions and maintenance of Air Compressors. We hope that after reading this article, you will have a better understanding of your Air Compressor.
safety warning
The compressor cannot be reversed. After the initial startup or overhaul of the electric control system, it should be confirmed whether the rotation direction of the motor is consistent with the specified rotation direction before starting the compressor.
When disassembling high-temperature parts, it is necessary to cool the temperature to ambient temperature before proceeding.
Without the permission of the manufacturer, it is not allowed to modify or add any device that affects the safety and reliability of the compressor.
Original spare parts for compressors are specially designed and manufactured. It is recommended to use genuine spare parts to ensure the reliability and safety of the compressor. Air Compressor
maintain
Check the oil level, exhaust temperature and exhaust pressure every day, and check for abnormal sounds.
Before starting the machine every week, open the drain valve of the separator to drain the condensed water, check for leaks, check the safety valve, belt wear (visual inspection).
Regularly check the intake control valve, minimum pressure valve, electrical control box terminal, safety valve, and cooling fan.
Clean the cooler regularly and test the reliability of the safety valve.
Regularly replace the oil filter element, oil separator filter element, air intake filter element and lubricating oil.
Maintenance of air intake filter
The air filter is a component that filters out dust and dirt in the air, and the filtered clean air enters the compression chamber of the screw rotor for compression. Because the internal clearance of the screw machine only allows to filter out particles within 15u. If the air filter element is clogged and damaged, a large number of particles larger than 15u will enter the screw machine circulation, which will not only greatly shorten the service life of the oil filter element and the oil fine separation filter element. This will also cause a large number of particles to directly enter the bearing cavity, accelerate the wear of the bearing, increase the rotor clearance, reduce the compression efficiency, and even cause the rotor to dry bite.
Replace oil filter
The oil core should be replaced after the new machine runs for 500 hours for the first time. Use a special wrench to reverse and remove the oil filter element. It is recommended to add screw oil before installing the new filter element. The element seal is screwed back onto the oil filter seat with both hands and tightened
It is recommended to replace the filter element with a new one every 1500-2000 hours. When changing the oil, it is recommended to change the oil filter at the same time. In harsh environments, the replacement cycle should be shortened. It is strictly forbidden to use the oil filter element for an extended period, otherwise the filter element will be seriously blocked.
When the pressure difference exceeds the limit of the bypass valve, the bypass valve will automatically open, and a large amount of dirt and particles will directly enter the screw host with the messy oil, causing serious consequences. The replacement of diesel engine oil filter and diesel screw engine diesel filter should follow the maintenance requirements of diesel engine, and the replacement method is similar to that of screw oil filter. Air Compressor
Maintenance and replacement of oil and gas separator
The oil-air separator is a component that separates the screw lubricating oil from the compressed air. Under normal operating conditions, the service life of the oil-gas separator is about 3000 hours, but the quality of the lubricating oil and the filtration accuracy of the air have a huge impact on its service life. In harsh environments where air filter maintenance and replacement cycles need to be shortened, even pre-air filters should be considered.
The oil and gas separator needs to be replaced when it expires or the pressure difference between the front and back exceeds 0.12Mpa. Otherwise, the motor will be overloaded, the oil-air separator will be damaged, and the oil will be exhausted.
Replacement method: Remove the control pipe joints installed on the oil and gas tank cover. Take out the oil return pipe extending into the oil and gas barrel from the cover of the oil and gas barrel, and remove the fastening bolts on the upper cover of the oil and gas barrel. Remove the top cover of the oil and gas tank and take out the oil. Remove asbestos pads and dirt stuck to the top cover. Install a new oil and gas separator, and note that the upper and lower asbestos pads need to be stapled. When pressing, the asbestos pads need to be lined up, otherwise it will cause flushing. Reinstall the top cap, return line, and control line as they were, and check for leaks.
