<![CDATA[Pengisian botol angin pada kapal merupakan proses vital untuk mendukung sistem air starting mesin utama dan bantu. Namun, pada kapal MV. HL Dalrymple Bay ditemukan indikasi penurunan kinerja kompresor, khususnya saat manuver, ditandai dengan lamanya waktu pengisian dan tekanan udara yang tidak mencapai standar. Permasalahan ini berisiko mengganggu operasional kapal secara keseluruhan. Penelitian ini difokuskan pada faktor yang menyebabkan turunnya kinerja kompresor pada proses pengisian botol angin, dan apa dampak dari penurunan kinerja tersebut terhadap efisiensi dan keselamatan operasional kapal. Penelitian ini menggunakan pendekatan kualitatif deskriptif. Pengumpulan data dilakukan melalui observasi langsung selama praktik laut selama 12 bulan, serta dokumentasi teknis lapangan. Data dianalisis untuk mengidentifikasi gejala, akar permasalahan, serta solusi teknis yang relevan. Ditemukan bahwa penyebab utama turunnya performa kompresor adalah sistem pelumasan yang tidak optimal, kebocoran pada cylinder head, serta keausan pada piston dan ring piston. Dampaknya adalah waktu pengisian botol angin menjadi lebih lama dari standar, serta munculnya potensi gangguan pada manuver kapal. Rekomendasi meliputi pelaksanaan perawatan berkala, penggantian komponen aus, serta peningkatan keterampilan kru melalui pelatihan teknis. Filling the air bottle on the ship is a vital process to support the main and auxiliary engine air starting system. However, on the MV. HL Dalrymple Bay was found to indicate a decrease in compressor performance, particularly during maneuvering, characterized by long charging times and air pressure that did not reach the standard. This problem risks disrupting the overall operation of the ship. This study focuses on the factors that cause the decline in compressor performance in the process of filling air bottles, and what is the impact of this decrease in performance on the efficiency and operational safety of the ship. This study uses a descriptive qualitative approach. Data collection was carried out through direct observation during marine practice for 12 months, as well as technical field documentation. The data is analyzed to identify symptoms, root causes, and relevant technical solutions. It was found that the main causes of the decline in compressor performance were suboptimal lubrication systems, leaks in the cylinder head, and wear on the pistons and piston rings. The impact is that the time to fill the air bottle becomes longer than standard, as well as the appearance of potential interference with the ship's maneuvers. Recommendations include the implementation of periodic maintenance, replacement of worn components, and improvement of crew skills through technical training ]]>
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