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What are the functions of construction machinery filter elements？

What are the functions of construction machinery filter elements？

1. The role of construction machinery filter element

The function of the construction machinery filter element is to effectively filter impurities in the oil, reduce the oil flow resistance, ensure lubrication, and minimize the wear of various components during operation; the function of the fuel filter element is to effectively filter the dust, iron filings and metals in the fuel. Oxides, sludge and other impurities can prevent the fuel system from clogging, improve combustion efficiency, and ensure the stable operation of the engine; the air filter element is located in the intake system of the engine, and its main function is to filter out harmful impurities in the air that will enter the cylinder. The early wear of pistons, piston rings, valves and valve seats ensures the normal operation and output power of the engine.

The results show that the wear of the engine mainly includes corrosion wear, contact wear and abrasive wear, and the abrasive wear accounts for 60% to 70% of the wear amount. Construction machinery filter elements usually work in a very harsh environment. If good protection is not formed, the cylinder and piston rings of the engine will wear out quickly. The main function of “three cores” is to reduce the damage of abrasives to the engine by effectively filtering air, oil and fuel, and ensure the efficiency of engine operation.

1. Replacement cycle of construction machinery filter element

Under normal circumstances, the replacement cycle of the engine oil filter element is 50 hours for the first operation, and then every 300 hours of operation; the replacement cycle for the fuel filter element is 100 hours for the first operation, and then every 300 hours of operation. The difference in the quality grades of oil and fuel can appropriately extend or shorten the replacement cycle; the replacement cycles of construction machinery filter elements and air filter elements used by different models are different, and the replacement cycle of air filter elements is adjusted as appropriate according to the air quality of the operating environment. When replacing, the inner and outer filter elements must be replaced together. It is worth mentioning that the air filter element is not recommended to use data compressed air quality for development and cleaning, because the high-pressure airflow will damage the filter paper and affect the filtration efficiency of the construction machinery filter element.

Product description

SK-1371AB China construction machinery SHANTUI bulldozer air filter

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