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Analisis Pengaruh Menurunnya Kinerja Injektor Terhadap Performa Main Engine di MV. Oriental Ruby Prayogi, Setiawan Bagus; Zainuddin, Mochammad; Yudianto, Prima Yudha; Prawoto, Agus; Robbi, Shofa Dai; Nugroho, Azis
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 4 No. 2 (2025): Mei - Juli
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v4i2.864

Injektor adalah komponen penting pada motor diesel yang berfungsi untuk mengabutkan bahan bakar ke dalam ruang bakar. Penelitian ini berfokus pada analisis pengaruh menurunnya kinerja injektor terhadap performa main engine di MV. Oriental Ruby. Tujuan penelitian adalah untuk mengidentifikasi faktor penyebab penurunan kinerja injektor dan langkah-langkah untuk mengembalikannya ke kondisi normal. Penelitian ini menggunakan metode deskriptif kualitatif dengan teknik pengumpulan data melalui observasi, studi pustaka, dokumentasi, wawancara, dan analisis menggunakan diagram fishbone. Hasil penelitian menunjukkan bahwa penurunan kinerja injektor disebabkan oleh tersumbatnya lubang nosel akibat bahan bakar yang kotor, yang berhubungan dengan kurangnya perawatan sistem bahan bakar, termasuk tanki dan filter. Penyempitan lubang nosel dapat menyebabkan deadlock, sementara pembakaran yang tidak sempurna mengakibatkan penumpukan karbon pada permukaan nosel.

Optimalisasi Kinerja Main Air Compressor Guna Menunjang Kelancaran Pengoperasian Mesin Induk di Kapal KM. Oriental Gold Wardana, Ricco Kusuma; Zainuddin, Mochammad; Mulyanto, Sri; Prawoto, Agus; Gunarti, Monika Retno; Nugroho, Azis
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 4 No. 2 (2025): Mei - Juli
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v4i2.870

Sistem udara penjalan diatas kapal dihasilkan oleh mesin bantu yang disebut kompressor udara dengan memakai tenaga listrik dari generator. Udara yang dihasilkan oleh kompresor diteruskan ke botol angin (Air reservoir). Di dalam botol, udara tersebut bertekanan 25 bar sampai 30 bar. Tekanan udara dari bejana udara minimal 17 bar. Kelancaran pengoperasian suatu mesin, terutama bagian bagian yang membantu pengoperasian awal mesin induk yaitu yang berhubungan dengan udara start di atas kapal perlu didukung oleh kesempurnaan proses kerja dari setiap bagian atau komponen, agar mesin dapat bekerja dengan optimal. Penulis merumuskan persoalan dengan mencari faktor yang menyebabkan tidak optimalnya kinerja main air compressor dan dampak yang akan terjadi apabila kurang optimalnya kinerja main air compressor pada mesin induk. Penulis merangkum permasalahan-permasalahan dan mencoba memecahkan masalah dengan menggunakan metode observasi langsung, wawancara, dokumentasi serta studi Pustaka untuk memperoleh data-data yang berhubungan dengan main air compressor yang berguna untuk mendukung penelitian ini.

An Analysis of the Damage of Cargo Pump Impeller with HCl Hydrochloric Acid Load on MT Cipta Anyer using the Hurber and Miles Method Mahendra, Reno Putra; Kristiyono, Antonius Edy; Pribadi, Teguh; Robbi, Shofa Dai; Nugroho, Azis
International Journal on Advanced Science, Education, and Religion Vol 8 No 2 (2025): IJoASER (International Journal on Advanced Science, Education)
Publisher : Sekolah Tinggi Agama Islam Al-Furqan, Makassar - Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33648/ijoaser.v8i2.865

The cargo pump is an auxiliary device used to transfer cargo from the ship’s tank to a storage tank. One of the most critical components of the cargo pump is the impeller, which functions by converting mechanical energy into kinetic energy to move fluid. Hydrochloric acid, as cargo, is highly corrosive and requires specialized materials resistant to such conditions. On the MT Cipta Anyer, the impeller is constructed from Hastelloy X Tantalum to withstand corrosion. This study employs the Huber and Miles method to analyze impeller damage. Data collection was conducted through observation, interviews, documentation, and literature review. The research findings reveal that the primary cause of impeller damage is exposure to the corrosive cargo. Additional contributing factors include the use of spare parts that do not conform to the manual specifications, damaged impeller blades, and contamination within the impeller unit. These issues result in a decreased cargo discharge rate, leading to operational inefficiencies and financial losses for the company. The problems can be mitigated by implementing a regular Planned Maintenance System (PMS), ensuring the availability of manufacturer-recommended spare parts, and adhering to standard installation procedures. This study contributes practical insights into the causes of impeller damage in cargo pumps handling corrosive materials and provides actionable solutions to improve equipment reliability and operational efficiency in chemical tanker operations.

An Analysis of the Damage of Cargo Pump Impeller with HCl Hydrochloric Acid Load on MT Cipta Anyer using the Hurber and Miles Method Mahendra, Reno Putra; Kristiyono, Antonius Edy; Pribadi, Teguh; Robbi, Shofa Dai; Nugroho, Azis
International Journal on Advanced Science, Education, and Religion Vol 8 No 2 (2025): IJoASER (International Journal on Advanced Science, Education)
Publisher : Sekolah Tinggi Agama Islam Al-Furqan, Makassar - Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33648/ijoaser.v8i2.865

The cargo pump is an auxiliary device used to transfer cargo from the ship’s tank to a storage tank. One of the most critical components of the cargo pump is the impeller, which functions by converting mechanical energy into kinetic energy to move fluid. Hydrochloric acid, as cargo, is highly corrosive and requires specialized materials resistant to such conditions. On the MT Cipta Anyer, the impeller is constructed from Hastelloy X Tantalum to withstand corrosion. This study employs the Huber and Miles method to analyze impeller damage. Data collection was conducted through observation, interviews, documentation, and literature review. The research findings reveal that the primary cause of impeller damage is exposure to the corrosive cargo. Additional contributing factors include the use of spare parts that do not conform to the manual specifications, damaged impeller blades, and contamination within the impeller unit. These issues result in a decreased cargo discharge rate, leading to operational inefficiencies and financial losses for the company. The problems can be mitigated by implementing a regular Planned Maintenance System (PMS), ensuring the availability of manufacturer-recommended spare parts, and adhering to standard installation procedures. This study contributes practical insights into the causes of impeller damage in cargo pumps handling corrosive materials and provides actionable solutions to improve equipment reliability and operational efficiency in chemical tanker operations.

Pengaruh Kebocoran Sistem Pendingin pada Seating Exhaust Valve Cylinder No 1 terhadap Kinerja Diesel Engine Generator di KM. Oriental Galaxy Yusr, Daffa Izaz Rafi Afif Fauzi; Nasri, Nasri; Kusumawati, Elly; Prawoto, Agus; Nugroho, Azis; Robbi , Shofa Dai
J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Vol. 10 No. 1 (2025): J-Proteksion
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/jp.v10i1.3609

Diesel engine generator merupakan permesinan yang mengubah tenaga mekanik menjadi energi listrik di atas kapal. Dalam pengoperasian generator, mesin didukung dengan sistem pendingin air tawar yang bersirkulasi agar mesin tidak menimbulkan panas yang berlebih. Pendingin air tawar ini mendinginkan komponen-komponen generator yang bergerak dan menimbulkan panas. Air tawar masuk melalui cylinder head pada seating exhaust valve untuk mendinginkan exhaust valve yang bekerja disuhu tinggi dikarenakan dari gas buang pembakaran. Kerusakan pada seating exhaust valve akan menimbulkan pengaruh besar bagi kinerja diesel engine generator. Penelitian ini membahas pengaruh kebocoran serta langkah penanganan pada seating exhaust valve generator cylinder nomor 1 di KM. Oriental Galaxy. Penelitian menggunakan metode kualitatif dengan fishbone analysis serta proses pengambilan data dilakukan dengan dokumentasi, wawancara, dan observasi. Hasil penelitian menunjukkan bahwa kebocoran sistem pendingin seating exhaust valve generator cylinder nomor 1 disebabkan oleh beberapa faktor seperti jam operasional yang melebihi dari panduan manual book dan minimnya perawatan pada mesin diesel generator. Faktor-faktor ini berdampak pada mesin yaitu penurunan suhu gas buang cylinder head nomor 1, peningkatan suhu fresh water out generator nomor 1, dan penurunan volume air pada expansion tk. Oleh karena itu, dilakukan penggantian cylinder head nomor 1 dengan sparepart yang baru agar generator dapat bekerja secara optimal dan kebutuhan listrik di kapal tetap terjaga.

Analisis Fishbone Diagram Dalam Penanganan Kerusakan Thermostat Sistem Pendingin Air Tawar Auxiliary Engine Kapal MV Meratus Payakumbuh Haryono, Aditya Dwi Putra; Imanto, Frenki; Gupron, Akhmad Kasan; Kristiyono, Antonius Edy; Nugroho, Azis; Gunarti, Monika Retno
Innovative: Journal Of Social Science Research Vol. 5 No. 3 (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.v5i3.18919

Auxiliary engine merupakan permesinan yang berperan menghasilkan energi listrik dari energi mekanik di atas kapal. Untuk beroperasi dengan optimal dan terhindar dari overheating, auxiliary engine didukung sirkulasi sistem pendingin yang prima. Salah satu komponen mesin pendingin adalah thermostat. thermostat berfungsi untuk mengontrol aliran air coolant menuju antara ke mesin kembali atau bagian heat exchanger. Kerusakan pada thermostat akan menimbulkan dampak besar bagi kinerja auxiliary engine.Penelitian ini membahas penyebab kerusaka, dampak serta langkah penanganan pada thermostat auxiliary engine nomor 3 di kapal MV Meratus Payakumbuh. Penelitian menggunakan metode kualitatif dengan fishbone analysis. Proses pengambilan data dilakukan dengan observasi, dokumentasi, dan wawancara.Hasil penelitian menunjukkan bahwa kerusakan thermostat auxiliary engine disebabkan oleh faktor usia komponen thermostat dan berdampak pada tingginya suhu temperatur pada sistem pendingin air tawar mencapai 90°C. Penanganan kerusakan thermostat dilakukan dengan cara menukar sementara bagian thermostat yang ada pada auxiliary engine nomor 2 yang bertipe sama. Agar suhu temperatur pada sistem pendingin air tawar menjadi normal. Oleh karena itu, kebutuhan listrik di kapal tetap terjaga dan beroperasi dengan baik sampai ada perbaikan total. Langkah selanjutnya adalah perbaikan secara menyeluruh setelah persedian suku cadang tersedia.

Failure Mode and Effect Analysis Kebocoran Pipa Air Laut Pendingin LO Cooler Mesin Induk Kapal KMP Agung Samudera XVIII Sukron, Ainaya Alfatihah; Imanto, Frenki; Gupron, Akhmad Kasan; Kristiyono, Antonius Edy; Nugroho, Azis
Innovative: Journal Of Social Science Research Vol. 5 No. 3 (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.v5i3.18934

Mesin induk adalah penggerak utama dalam operasional kapal laut. Sistem pendingin merupakan salah satu sistem dalam mendukung kinerja mesin induk. Pentingnya peran sistem pendingin maka penelitian ini membahas tentang faktor penyebab kebocoran pada pipa air laut, menentukan dampak yang terjadi, serta rekomendasi penanganan yang dilakukan untuk mengatasi kebocoran. Pada karya tulis ilmiah ini Peneliti menggunakan metode Failure Mode and Effect Analysis (FMEA) dalam mempermudah analisis data. Metode pengumpulan data yang Peneliti lakukan adalah dengan cara observasi, wawancara dan dokumentasi. Hasil penelitian menunjukkan bahwa faktor yang menyebabkan kebocoran pada pipa LO Cooler ialah korosi karena air laut yang bersifat korosif. Dampak yang terjadi ialah menyebabkan kinerja pompa menjadi terganggu. Berdasarkan analisis FMEA didapatkan nilai teringgi untuk severity adalah pompa sea water dengan point 4 , sedangkan occurance adalah pipa kapiler (tube) dengan nilai 4, dan detection adalah pompa sea water dengan nilai 5. Nilai risk priority number (RPN) paling tinggi adalah pompa sea water dengan hasil nilai 40. Oleh karena itu. Rekomendasi penanganan kebocoran pipa air laut adalah melakukan perawatan rutin dan ketersediaan suku cadang di atas kapal..

ANALISIS MENURUNNYA TEKANAN LUBRICATING OIL PADA DIESEL GENERATOR DI KM. DHARMA KARTIKA VII Dolly Sirait, Maruli; Nugroho, Azis; Sandi, Wulan Marlia; Zainuddin, Mochammad; Kristiyono, Antonius Edy
SIBATIK JOURNAL: Jurnal Ilmiah Bidang Sosial, Ekonomi, Budaya, Teknologi, Dan Pendidikan Vol. 5 No. 2 (2026)
Publisher : Penerbit Lafadz Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/sibatik.v5i2.4397

Diesel generators are vital components in a ship's machinery system that converts mechanical energy into electrical energy. Diesel generators serve as the primary source of electrical power for various onboard needs, such as ship operations, navigation, communications, comfort, and other equipment. The lubrication system (lubricating oil) is a special liquid that plays a crucial role in lubricating engine components, ensuring smooth engine operation, and maintaining the performance and reliability of diesel generator engines. A decrease in lubricating oil pressure can cause overheating, increased friction between components, and even overall engine damage. This study aims to analyze the causes of the decrease in lubricating oil pressure in the diesel generator on the KM. Dharma Kartika VII ship and its handling efforts. The method used is a descriptive qualitative approach with data collection techniques through direct observation, interviews with engineers, documentation, and literature studies. The results of this study are expected to serve as a practical reference for ship crews and maritime cadets in handling disturbances in the diesel generator lubrication system appropriately.

Analisis Pengaruh Kinerja Turbocharger pada Daya Mesin Induk Pada Kapal LPG/C Cipta Diamond Robbi, Shofa Dai; Lao, Richard Imanuel Aldilenz; Darwis, Muhammad; Putri, Indah Ayu Johanda; Nugroho, Azis; Kristiyono, Antonius Edy
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 4 No. 4 (2026): November - January
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v4i4.4259

Sea transportation is essential to global logistics, and the efficiency of a vessel’s propulsion system is critical to operational performance, especially on LPG carriers. Turbochargers enhance diesel engine volumetric efficiency by utilizing exhaust gases to compress intake air, enabling more complete combustion and greater power output. Declining turbocharger performance can reduce engine power, increase fuel consumption, and raise exhaust gas temperatures beyond safe limits. This study investigates the impact of turbocharger performance on the main engine power output of the LPG/C Cipta Diamond vessel. This study employs a descriptive qualitative approach, using data collection techniques such as direct observation, structured interviews with chief engineers and technicians, and documentation of engine logbook data. The collected data were analyzed using the Fishbone method (Ishikawa diagram) to identify the root causes of the observed decline in turbocharger performance. The findings indicate that several factors influence turbocharger performance, including the physical condition of its components, the cleanliness of the air intake ducts, exhaust gas temperature levels, and lubricant quality. Additionally, human factors and maintenance scheduling were found to significantly affect the stability of turbocharger performance. Mitigation measures implemented to address performance degradation include routine maintenance, examination of exhaust gas pressure and temperature, replacement of wear-prone components such as bearings and seals, and the use of air pressure and temperature monitoring systems to enable early detection of performance decline.

An Analysis of the Damage of Cargo Pump Impeller with HCl Hydrochloric Acid Load on MT Cipta Anyer using the Hurber and Miles Method Mahendra, Reno Putra; Kristiyono, Antonius Edy; Pribadi, Teguh; Robbi, Shofa Dai; Nugroho, Azis
International Journal on Advanced Science, Education, and Religion Vol 8 No 2 (2025): IJoASER (International Journal on Advanced Science, Education)
Publisher : Sekolah Tinggi Agama Islam Al-Furqan, Makassar - Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33648/ijoaser.v8i2.865

The cargo pump is an auxiliary device used to transfer cargo from the ship’s tank to a storage tank. One of the most critical components of the cargo pump is the impeller, which functions by converting mechanical energy into kinetic energy to move fluid. Hydrochloric acid, as cargo, is highly corrosive and requires specialized materials resistant to such conditions. On the MT Cipta Anyer, the impeller is constructed from Hastelloy X Tantalum to withstand corrosion. This study employs the Huber and Miles method to analyze impeller damage. Data collection was conducted through observation, interviews, documentation, and literature review. The research findings reveal that the primary cause of impeller damage is exposure to the corrosive cargo. Additional contributing factors include the use of spare parts that do not conform to the manual specifications, damaged impeller blades, and contamination within the impeller unit. These issues result in a decreased cargo discharge rate, leading to operational inefficiencies and financial losses for the company. The problems can be mitigated by implementing a regular Planned Maintenance System (PMS), ensuring the availability of manufacturer-recommended spare parts, and adhering to standard installation procedures. This study contributes practical insights into the causes of impeller damage in cargo pumps handling corrosive materials and provides actionable solutions to improve equipment reliability and operational efficiency in chemical tanker operations.

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