1. Maintenance of intake air filter element
The air filter is a component that filters out air dust and dirt. The filtered clean air enters the compression chamber of the screw rotor for compression. Because the internal clearance of the screw machine only allows particles within 15u to filter out. If the air filter element is blocked and damaged, a large amount of particles larger than 15u will enter the screw machine to circulate, which will not only greatly shorten the service life of the oil filter element and the oil fine separation element, but also cause a large number of particles to directly enter the bearing cavity, accelerating bearing wear and increasing the rotor gap. The compression efficiency is reduced, and even the rotor is boring and seized.
2. Maintenance of oil and gas separator
The oil-air separator is a component that separates the screw lubricating oil from the compressed air. Under normal operation, the life of the oil-air separator is about 3000 hours, but the quality of the lubricating oil and the filtration accuracy of the air have a huge impact on its life. It can be seen that the maintenance and replacement cycle of the air filter element must be shortened in the harsh environment, and even the installation of a front air filter is considered. It must be replaced after it exceeds 0.12Mpa. Otherwise, the motor will be overloaded and the oil and gas separator will be damaged and run off.
3. Maintenance of oil filter
The oil element should be replaced after 500 hours of operation of the new machine for the first time, and the oil filter element should be removed with a special wrench. It is better to add screw oil before installing the new filter element. Screw the filter element back to the oil filter seat with both hands and tighten it firmly. It is recommended to replace the new filter element every 1500-2000 hours. It is better to replace the oil filter element at the same time when changing the oil. When the environment is bad, the replacement cycle should be shortened. It is strictly forbidden to use the oil filter element for an extended period of time. Otherwise, because the filter element is seriously clogged and the pressure difference exceeds the tolerance limit of the bypass valve, the bypass valve automatically opens. A large amount of stolen goods and particles will directly enter the screw main engine, causing serious consequences. The replacement of diesel engine oil filter element and diesel filter element of diesel-driven screw engine should follow the maintenance requirements of diesel engine, and the replacement method is similar to that of screw engine oil core.
Replacement method: Remove the control pipe joints installed on the oil and gas barrel cover. Take out the oil return pipe extending into the oil and gas barrel from the lid of the oil and gas barrel, and remove the fastening bolts of the upper cover of the oil and gas barrel. Remove the upper cover of the oil and gas barrel and take out the oil. Remove the asbestos pad and dirt stuck on the upper cover. Install the new oil and gas separator, pay attention to the upper and lower asbestos pads must be stapled and booked, the asbestos pads must be placed neatly when pressing, otherwise it will cause the cushioning. Reinstall the upper cover, oil return pipe, and control pipes as they are, and check for leaks.
