Thirteen steps of flushing and changing oil skills, let your air compressor bid farewell to the oil tiger!

Thirteen steps of flushing and changing oil skills, let your air compressor bid farewell to the oil tiger!

Oil-injected rotary screw air

Compressors have become the mainstream of air compressors due to their advantages of stability, high efficiency, low vibration and low noise. However, the generally higher oil change frequency of oil-injected air compressors has forced companies to purchase more lubricants to satisfy the air compressor; good appetite, which increases operating costs to a certain extent and adds to the company's congestion!

Choosing the right lubricating oil is certainly important, but if you want an oil-injected screw air compressor to always maintain excellent performance and significantly reduce lubrication costs, it is far from enough to feed the right oil and good oil. Mastering the scientific lubrication management and maintenance methods, especially the air compressor flushing and oil changing skills, is the key to giving full play to the outstanding performance of high-quality lubricants and realizing the safe, environmentally friendly and efficient operation of equipment.

Thirteen steps of flushing and changing oil skills, let your air compressor bid farewell to the "oil tiger"!

The daily routine of the oiler: Careful care and scientific and meticulous daily maintenance can help companies effectively monitor the use of equipment from the beginning, quickly and effectively grasp whether the air compressor is operating normally and whether the air compressor oil needs to be replaced in time. Possible problems are killed in the bud

1. Check the oil tank daily: check whether the oil level is correct, add appropriate oil when needed, and maintain the correct oil level through the visual oil level gauge

2. Check the control panel every week: the air/oil separator working condition indicator on the control panel, remove the pipeline and clean or replace the filter if necessary.

3. The oil filter working condition indicator on the control panel, replace the filter according to the original equipment manufacturer's recommendation. The air suction filter working condition indicator on the control panel, clean or replace if necessary.

Check through the oil return line sight glass to ensure that there is no air in the oil, and clean the sight glass and oil return orifice if necessary.

4. Carry out oil analysis regularly, replace the lubricating oil in time according to the analysis result, and clean the oil filter when changing the oil.　

5. The oil-injected screw compressor has more stringent requirements for oil products. You can neither mix oils of different brands nor use air compressor oils of the same brand with different grades. Therefore, in order to avoid lubrication failure and even more serious equipment damage due to incompatible lubricants, it is generally recommended to flush the oil-injected screw air compressor that needs to be changed, and then perform a professional oil change.

6. Be sure to check the compatibility of the lubricant before changing the oil. Lubricants for oil-injected rotary screw air compressors are made with a variety of different base oils and additive technologies. Air compressor lubricants usually use mineral or synthetic base oils. The synthetic base oil can be poly-;-olefin (PAO) or polyethylene glycol (PAG) or silicon or ester. Of course, not all lubricants are completely compatible, so whenever you choose to use a new oil, it is recommended to check the compatibility of the lubricant in advance. Take the replacement of lubricating oil for an oil-injected rotary screw air compressor as an example, and introduce the professional cleaning and oil change procedures. This step is suitable for lubricating oil flushing and replacement of any type of air compressor.

7. 1. Start the compressor and keep it running at normal temperature (185F/85C) for about 1 hour. 2. Stop the compressor. 3. Drain the lubrication system and clean it. Evacuate the existing oil in the oil tank as much as possible to introduce compressed air, and thoroughly purge the low or potential oil collection points in the compressor. If there is deposits, clean the oil tank, washable lubrication system component bearings and gears (manually). Disassemble the filter and its parts and clean it. Purge and empty the gas storage tank. 4. Replace the oil filter, and use the gravity discharge method to drain the oil out of the fiber material of the oil-air separator. 5. Because the diester products are beneficial to the flushing effect, the synthetic diester products (pay attention to the corresponding viscosity) are injected into the compressor oil tank to reach the normal oil level. 6. Start the compressor and make the oil temperature reach the normal 85C (185F). Keep the compressor running at no load for at least 4 hours. The air compressor runs at the corresponding temperature for a long enough time to enable the thermostat to open. Use a conventional (10 micron) microporous filter membrane to sample the lubricant to better monitor the flushing effect. (The filter membrane can be used to visually check the cleaning effect of the compressor.

　 7. The compressor is stopped.

8. The flushing lubricating oil in the compressor is discharged, including the cooler, the oil and gas separator, the oil tank and the filter. Disconnect the pipeline, and discharge the deposit The oil at the low point. The recommended oil temperature is 49; C (120; F) -60; C (140; F) to drain the flushing oil.

9. Replace the oil and gas separator and all non-permanent lubricating oil Filter. And check whether the oil inlet filter has contaminated oil residue, if any, it needs to be replaced.

10. Inject the synthetic PAO product (note the corresponding viscosity) into the compressor, and operate the compressor according to the normal procedure.

11. Keep the newly injected lubricating oil circulating for 4-12 hours. Check whether the oil filter and the oil and gas separator are clean and whether there are deposits. If they are not clean and there are deposits, repeat the flushing process.

12. Drain the lubrication in the circuit Oil. (Note: If the performance inspection is qualified, the lubricating oil can be reused to flush other air compressors)

13. Re-inject new lubricating oil (note the corresponding viscosity) and resume normal operation. 　As an oil-injected rotary screw Users of air compressors must not ignore the effects of daily maintenance. With scientific and correct flushing and oil change procedures, the service life of air compressor lubricants can be improved and the air compressor can maintain excellent operation. Effect, thereby greatly reducing operating costs