2026-04-15Views：
The air compressor needs to be maintained for the first time after 500 hours of operation (first maintenance), mainly to remove impurities generated during the running-in period of the equipment, ensure stable lubricating oil performance, and extend the service life of the equipment. The following is the specific reason analysis:
Metal particles are produced
during the initial operation of the new air compressor, the internal parts (such as rotors, bearings, etc.) will undergo a running-in process. In this process, the microscopic protrusions on the metal surface rub against each other, which may produce tiny metal particles. If these particles exist in the lubricating oil for a long time, they will accelerate the wear of parts and even cause failures such as stuck.
Impurities on lubricating oil The
impurities produced during the running-in period will pollute the lubricating oil and reduce its lubrication, cooling and sealing performance. For example, metal particles may scratch the surface of the rotor, resulting in a decrease in compression efficiency; impurities may also block the oil filter and affect the oil circuit circulation.
Lubricating oil in the initial state
When the new machine leaves the factory, the lubricating oil may contain a small amount of additives or impurities (such as dust mixed during transportation). After the first operation, these substances will be mixed with the residual manufacturing oil inside the equipment, forming a potential source of pollution.
Oil change the meaning
of the first maintenance to replace the lubricating oil, can completely remove the impurities produced during the running-in period, restore the cleanliness of the lubricating oil. At the same time, the new oil can provide more stable lubrication performance, reduce parts wear, and extend equipment life.
Preventive maintenance value
is an important part of preventive maintenance. By replacing the lubricating oil and oil filter in time, the long-term damage to the equipment by impurities can be avoided and the subsequent failure rate can be reduced. For example, if the metal particles are not cleaned in time, it may increase the rotor gap, reduce the compression efficiency, and even cause serious failure.
most air compressor manufacturers in accordance with the manufacturer's recommendations
explicitly require the first warranty after 500 hours of operation of the new machine. This standard is based on the running-in characteristics of the equipment and the attenuation law of lubricating oil performance, and is the key measure to ensure the stable operation of the equipment.
Replace the lubricating
oil with lubricating oil matching the equipment (such as semi-synthetic oil or fully synthetic oil), and fill it to the specified oil level in strict accordance with the requirements of the instructions.
Replacing the oil
filter The function of the oil filter is to filter impurities in the lubricating oil. After the first operation, the oil filter may have adsorbed a large amount of metal particles and needs to be replaced in time to avoid clogging.
Inspection and cleaning
Check the tightness of various parts of the equipment (such as intake valve, belt, cooler, etc.), and clean the air filter element to ensure smooth air intake.
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