The Importance of Oil Filters for Atlas Copco GA18 Air Compressors
If the oil filter becomes clogged or fails in its filtration function, it will lead to a decrease in the cleanliness of the lubricating oil, accelerate the wear of the main unit, increase the oil temperature, and even cause serious faults such as bearing sintering and rotor scratching. Therefore, it is recommended to use the original Atlas Copco oil filter to ensure the filtering effect and equipment compatibility.
If you need to purchase, you can provide the specific production year or equipment serial number of GA18, and confirm the accurate oil filter model with an Atlas Copco authorized service provider to avoid affecting usage due to model differences.
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Key information of Atlas Copco GA18 oil filter
Model and Specifications
The original oil filter usually has a specific part number. Common ones include 1621870800 or 1621870801 (refer to the equipment manual for details), and it must be strictly matched with the GA18 model. Its filtration accuracy is generally 10-20 μm, which can effectively intercept tiny impurities in the lubricating oil circulation.
Adaptation Characteristics
Designed specifically for GA18 screw air compressors, it matches the lubrication flow rate and pressure parameters of the machine (the working pressure is usually between 0.5-1.5 bar, with slight variations depending on the specific model).
It is compatible well with the dedicated lubricating oil used for GA18 (such as Atlas Copco's Varel lubricant series), and will not deteriorate the oil due to material issues.
Material and Structure
The filter element uses efficient filtering materials (such as composite filter paper, glass fiber), with good contaminant holding capacity and filtration efficiency.
The housing is mostly made of iron sheet or engineering plastic, resistant to pressure and oil, and suitable for the compressor's working temperature (usually 80-100℃).
Replacement Cycle and Maintenance
The regular replacement cycle is 2000-4000 hours of operation or every 6 months (whichever comes first). If the operating environment is harsh (such as high dust and high temperature), the replacement cycle should be shortened.
When replacing, pay attention to:
Release the oil pressure in the oil circuit after stopping the machine to avoid oil spraying during the filter replacement.
Before installing the new oil filter, it can be filled with clean lubricating oil to reduce dry friction during the initial start-up.
Follow the specified torque when tightening to prevent leakage or damage to the sealing gasket.
