Air compressor brands: Atlas, Ingersoll Rand, Sullair, Fusheng, Fuda, Compair, etc

The air compressor filters mainly refer to air filter, oil filter and oil separator. Daily maintenance has a great impact on the service life and maintenance cost of the air compressor,

LEFILTER reminds you to pay attention to the following items during the maintenance of the air compressor filters :

1、 Maintenance of air inlet filter element

The air filter is a part for filtering air dust and dirt. The filtered clean air enters the screw rotor compression chamber for compression. Because the internal clearance of the screw machine is only allowed to filter out particles within 15u. If the air filter element is blocked and damaged, a large number of particles larger than 15u will enter the screw machine for circulation, which will not only greatly shorten the service life of the oil filter element and the oil fine separation core, but also lead to a large number of particles directly entering the bearing cavity, accelerating the bearing wear, increasing the rotor clearance, reducing the compression efficiency, and even killing the rotor.

2、 Maintenance of oil filter

After the new machine runs for 500 hours for the first time, replace the oil core, unscrew the oil filter element with a special wrench, add screw oil before installing the new filter element, screw back the oil filter seat with both hands for sealing the filter element, and tighten it with force. It is recommended to replace the filter element every 1500-2000 hours. It is better to replace the oil filter element at the same time when changing the engine oil. The replacement cycle should be shortened when using in harsh environments. It is strictly prohibited to use the oil filter element beyond the time limit, or because the filter element is seriously blocked and the pressure difference exceeds the tolerance limit of the bypass valve, the bypass valve will open automatically, and a large amount of dirt and particles will directly enter the screw host with the oil, causing serious consequences. The replacement of diesel engine oil filter element and diesel filter element of diesel screw engine shall follow the maintenance requirements of diesel engine, and the replacement method is similar to that of screw oil element.

3、 Maintenance of oil separator filter

The oil separator filter is a component that separates the screw lubricating oil from the compressed air. Under normal operation, the service life of the oil-gas separator is about 3000 hours, but the quality of the lubricating oil and the filtering accuracy of the air have a huge impact on its service life. It can be seen that the maintenance and replacement cycle of the air filter element must be shortened under severe service conditions, and even the installation of a front air filter is considered. If it exceeds 0.12Mpa, it must be replaced. Otherwise, the motor will be overloaded, and the oil-gas separator will be damaged and oil will escape.

Replacement method: remove all control pipe joints installed on the oil-gas drum cover. Take out the oil return pipe extending into the oil and gas barrel on the oil and gas barrel cover, and remove the fastening bolts on the upper cover of the oil and gas barrel. Remove the upper cover of the oil and gas drum and take out the oil. Remove the asbestos pad and dirt stuck on the upper cover plate. When installing a new oil-gas separator, note that the upper and lower asbestos pads must be stapled. When pressing, the asbestos pads must be placed in order, otherwise the pads will be washed. Install the upper cover plate, oil return pipe and each control pipe as they are and check for leaks.

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