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International Conference on Engineering, Applied Sciences and TechnologyInternational Conference on Engineering, Applied Sciences and TechnologyHeavy equipment plays a crucial role in the mining industry, as mining operations are large-scale undertakings that require efficient machinery to support productivity and ensure operational success. The Komatsu D85ESS-2 dozer is one of the heavy machines employed by PT. Andhifa Kharisma Borneo Pratama (AKBP) at the PT. Prolindo Cipta Nusantara (PCNS) site in coal mining operations. However, due to several factors, this unit has experienced an engine low power issue, impacting its performance. This report addresses the root causes of this problem and proposes solutions to prevent recurrence. This study uses an observational approach aimed at identifying and analyzing the factors causing the low power issue. Findings indicate that engine low power was caused by sediment buildup in the fuel filter, which restricted fuel flow to the nozzle, leading to reduced fuel injection.
The inspection results revealed that several components in the fuel system, particularly the filters and strainers, were contaminated with debris.This buildup of impurities obstructed the flow of fuel through the system, leading to a decrease in fuel supply to the nozzles during injection.The restricted fuel flow caused the engine to experience low power, as the reduced fuel delivery impacted the combustion process.As an initial step, the fuel filter was cleaned to temporarily restore fuel flow.however, replacing the fuel filter entirely would be the most effective solution to prevent recurring issues and optimize engine performance.
Berdasarkan temuan studi ini, beberapa arah penelitian lanjutan dapat dieksplorasi untuk meningkatkan pemahaman dan penanganan masalah daya rendah pada mesin Komatsu D85ESS-2. Pertama, penelitian lebih lanjut dapat difokuskan pada pengembangan sistem pemantauan real-time untuk mendeteksi secara dini adanya penumpukan sedimen dalam filter bahan bakar, sehingga tindakan pencegahan dapat diambil sebelum terjadi penurunan kinerja mesin. Kedua, studi komparatif dapat dilakukan untuk mengevaluasi efektivitas berbagai jenis filter bahan bakar dalam mencegah penumpukan sedimen di lingkungan operasional yang berbeda, mempertimbangkan faktor-faktor seperti kualitas bahan bakar dan kondisi lingkungan. Ketiga, penelitian dapat dilakukan untuk menginvestigasi dampak penggunaan aditif bahan bakar terhadap pembentukan sedimen dan kinerja mesin secara keseluruhan, dengan tujuan mengidentifikasi formulasi aditif yang optimal untuk mencegah masalah daya rendah dan memperpanjang umur pakai komponen mesin. Penelitian-penelitian ini diharapkan dapat memberikan kontribusi signifikan dalam meningkatkan keandalan dan efisiensi operasional mesin berat di industri pertambangan.
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