2026-04-14Views：
Screw air compressor pump head whether need to be refueled, depending on the specific air compressor type and manufacturer's recommendations.
For most screw air compressors, the pump head (I. e. compressor head) needs to be filled with lubricating oil. This is because when the screw air compressor is working, the screw and rotor inside the compressor head will produce friction and wear. In order to reduce this wear and extend the service life of the equipment, a certain amount of lubricating oil needs to be added. Lubricating oil can reduce direct friction between moving parts, reduce wear and fatigue, and carry part of the load.
Before refueling, make sure that the air compressor has been turned off and the system has been completely cooled down. In addition, it is necessary to prepare lubricating oil and refueling tools suitable for screw air compressor. When refueling, open the oil hole cover (or the corresponding oil filler) and fill the lubricating oil to the oil hole cover until the oil does not overflow. At the same time, attention should be paid to the type and quantity of lubricating oil, should be selected for the use of screw air compressor lubricating oil, and the amount of oil should be less than 80% of the volume of the new pump head.
In addition, for the screw air compressor, in addition to the compressor head needs to be filled with lubricating oil, the lubricating oil and the oil filter need to be replaced regularly. The oil core should be replaced 500 hours after the new machine starts to run. After that, it is recommended to replace the new filter element every 1500~2000 hours. At the same time, the new machine will replace the lubricating oil after the 500-hour running-in period, and the new oil will be replaced every 2000 hours after operation. Change the oil filter at the same time when changing the oil.
However, there are also some special screw air compressor types, such as dry oil-free air compressors, water-lubricated oil-free air compressors, etc. These air compressors are completely oil-free during the compression process, so there is no need to add lubricating oil.
In short, whether the pump head of the screw air compressor needs to be refueled should be determined with reference to the manufacturer's recommendations and the specific type of equipment. If you are not sure, it is best to consult a professional technician or consult the user manual of the device.
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