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All Journal Jurnal Informasi Sains dan Teknologi (ISAINTEK) Innovative: Journal Of Social Science Research
Kristiyono , Antonius Edy
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Humanities Computer Science & IT Law, Crime, Criminology & Criminal Justice Public Health Other

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Analisis Optimalisasi Tekanan Minyak Lumas Terhadap Kinerja Mesin Induk di KM. Kendhaga Nusantara 04 Dari , Riris Anandita Wulan; Kristiyono , Antonius Edy; Pribadi , Teguh; Robbi, Shofa Dai; Prawoto, Agus
Innovative: Journal Of Social Science Research Vol. 5 No. 2 (2025): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v5i2.18306

Abstract

The main engine serves as the primary driving force and plays a crucial role in ensuring the smooth operation of the ship. An important aspect of maintaining the optimal performance of the main engine is preserving the quality of the lubricating oil and ensuring that its specifications comply with the manufacturer's standards.This study aims to identify various factors that can cause suboptimal lubricating oil pressure and explore steps that can be taken to improve and optimize these conditions. By understanding the underlying causes and potential solutions, it is hoped that the performance of the main engine can be enhanced, thereby supporting the overall operational efficiency and reliability of the ship.This study employs qualitative methods. Data sources were obtained through direct observation, interviews with the engine operator, and document analysis. The findings indicate that factors such as dirty filters, oil quality, and pipeline conditions affect lubricating oil pressure. Optimization efforts include periodic inspections of oil quality and regular maintenance of the lubrication system.The study highlights the importance of proper maintenance and quality supervision of the lubrication system to prevent a decline in engine performance.
Analisis Retaknya Crankshaft pada Auxiliary Engine Mv. Manalagi Tisya Menggunakan Fault Tree Analysis Robbi, Shofa Dai; Danuaga, Anak Agung Gede Agung; Seno, Abdi; Kristiyono , Antonius Edy; Prawoto, Agus; Fitriani, Rika
Jurnal Informasi, Sains dan Teknologi Vol. 8 No. 2 (2025): Desember: Jurnal Informasi Sains dan Teknologi
Publisher : Politeknik Negeri FakFak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/isaintek.v8i2.364

Abstract

The crankshaft is a vital component of an engine that converts the linear motion of the piston into rotational motion to produce mechanical power for electricity generation. This study employs a descriptive qualitative method, utilizing data collection techniques such as observation, interviews, and literature review. The objective of this research is to analyze the factors contributing to the occurrence of cracks in the crankshaft of a diesel engine used as a generator prime mover. The findings indicate that the cracks are primarily caused by contamination of the lubricating oil with water, resulting from leakage in the lubricating oil cooler or tube oil cooler. Another contributing factor is the loosening of the connecting rod bolts, which may occur if they are not tightened to the specified torque or if a torque wrench is not used during installation. Corrective measures undertaken include replacing the gasket, repairing or replacing the leaking tube oil cooler, and retightening the connecting rod bolts using a torque wrench in accordance with the manufacturer’s specifications.
Co-Authors Danuaga, Anak Agung Gede Agung Dari , Riris Anandita Wulan Prawoto, Agus Pribadi , Teguh Rika Fitriani Robbi, Shofa Dai Seno, Abdi