The primary function of an air filter is to supply the engine with a sufficient amount of clean air. For every 1 kg of diesel fuel burned, approximately 14 kg of air is needed for proper combustion. During field operations like tilling, the dust concentration in the air can reach about 15.2 grams per cubic meter, and it often increases significantly during harvesting activities. If the air filter fails or becomes clogged, it can no longer effectively trap these particles.
For example, an 8.8 kW tractor operating without a functioning air filter can intake up to 145 grams of dust per hour. This excessive dust intake leads to accelerated wear on critical engine components such as the cylinder liner, piston, piston rings, main bearings, and connecting rods. In such conditions, the wear rates increase dramatically—by 434 times, 385 times, 526 times, 556 times, and 435 times respectively compared to normal operating conditions.
This kind of wear not only reduces engine efficiency but also shortens its lifespan, leading to higher maintenance costs and potential breakdowns. Therefore, maintaining a properly functioning air filter is essential for ensuring the longevity and performance of any engine, especially in dusty environments like agricultural machinery. Regular inspection and timely replacement of the air filter are crucial steps in preventing costly damage and keeping the tractor running smoothly.
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