The primary function of an air filter is to supply the engine with clean air, ensuring efficient combustion and protecting internal components from damage. For every 1 kg of diesel fuel burned, approximately 14 kg of air is required. During cultivation, the dust concentration in the air is typically around 15.2 g/m³, but it can be significantly higher during harvesting operations. If the air filter fails to operate properly, the dust intake can become a serious issue. For example, an 8.8 kW tractor could draw in as much as 145 grams of dust per hour under such conditions.
This excessive dust intake leads to increased wear on critical engine parts, including the cylinder liner, piston, piston rings, main bearings, and connecting rods. Normally, these components experience relatively low levels of wear, but without proper filtration, their wear rates can skyrocket—reaching up to 434, 385, 526, 556, and 435 times the normal levels, respectively. This accelerated wear can drastically reduce engine lifespan, increase maintenance costs, and lower overall performance. Therefore, maintaining a functional and clean air filter is essential for the longevity and efficiency of any engine, especially in dusty environments like agricultural machinery.
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