ANALISIS PENGARUH KERUSAKAN AUXILIARY BLOWER TERHADAP KINERJA MAIN ENGINE DI KAPAL MT. PALU SIPAT

NOVAN BAGUS, PRIMA SAPUTRA (2020) ANALISIS PENGARUH KERUSAKAN AUXILIARY BLOWER TERHADAP KINERJA MAIN ENGINE DI KAPAL MT. PALU SIPAT. Diploma thesis, POLITEKNIK ILMU PELAYARAN SEMARANG.

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Abstract

INTISARI Saputra, Novan Bagus Prima. 52155839 T. 2020. “Analisis Pengaruh Kerusakan Auxiliary Blower Terhadap Kinerja Main Engine Di Kapal MT. Palu Sipat”, Program Diploma IV, Program Studi Teknika, Politeknik Ilmu Pelayaran Semarang, Pembimbing I : Tony Santiko, S.ST., M.Si, Pembimbing II : Nur Rohmah, S.E., M.M. Auxiliary blower merupakan salah satu permesinan bantu yang berfungsi mensuplai udara bilas tambahan ke dalam silinder untuk meningkatkan pembakaran pada saat rpm turbocharger belum mencapai 8000 rpm atau pada saat main engine (mesin induk) berada pada rpm rendah (kurang dari 90 rpm) dikarenakan pada saat rpm rendah turbocharger belum bisa memenuhi kebutuhan udara pada mesin induk dengan maksimal. Kapal MT. Palu Sipat saat melakukan olah gerak (manouver) di perairan Sungai Musi Palembang tanggal 24 Agustus 2018 mengalami kerusakan salah satu auxiliary blower yang mengakibatkan main engine tidak bisa menambah rpm. Penelitian ini bertujuan untuk mengetahui penyebab kerusakan auxiliary blower di MT. Palu Sipat, untuk mengetahui dampak yang ditimbulkan dari kerusakan auxiliary blower di MT. Palu Sipat serta untuk mengetahui cara mengatasi kerusakan auxiliary blower di MT. Palu Sipat. Metode penelitian dalam skripsi ini adalah deskriptif kualitatif. Sumber data diambil dari data primer dan sekunder. Teknik pengumpulan data yang penulis gunakan adalah riset lapangan yang meliputi wawancara, observasi dan dokumentasi sehingga didapatkan teknik keabsahan data. Teknik analisa data menggunakan fishbone analysis dan SHEL analysis. Hasil penelitian menyimpulkan bahwa penyebab keruskana auxiliary blower di MT. Palu Sipat adalah kerusakan bearing shaft blower, kurangnya kesadaran crew mesin dan engineer terhadap perawatan auxiliary blower, keterlambatan supply spre part oleh pihak perusahaan, keadaan udara di kamar mesin yang kotor. Dampak yang ditimbulkan dari kerusakan auxiliary blower terhadap kinerja main engine di MT. Palu Sipat adalah kurangnya supply udara bilas ke main engine, exhaust gas main engine berwarna hitam, main engine tidak dapat menambah rpm. Cara mengatasi kerusakan auxiliary blower adalah melakukan penggantian bearing shaft blower dengan yang baru, KKM selaku pimpinan tertinggi berhak mengingatkan kesadaran crew terhadap perawatan auxiliary blower, Pihak perusahaan harus tanggap pada setiap kejadian atau trouble shooting di atas kapal, sering diadakan pengecekan, perawatan, dan pembersihan terhadap komponen-komponen auxiliary blower secara berkala sesuai manual book. ABSTRACT Saputra, Novan Bagus Prima. 52155839 T. 2020. “Analysis of the Effect of Auxiliary Blower Damage on Main Engine Performance on MT. Palu Sipat”, Minithesis of Technical Department, Diploma IV Program of Merchant Marine Polytechnic Semarang, Mentor I : Tony Santiko, S.ST ., M.Si, M.Mar.E, Mentor II : Nur Rohmah, S.E., M.M. Auxiliary blower is one of the auxiliary machineries which functions to supply additional rinse air into the cylinder to increase combustion when the turbocharger rpm has not reached 8000 rpm or when the main engine is at low rpm (less than 90 rpm) due to when the rpm Low turbochargers have not been able to meet the air requirements of the main engine to the maximum. MT. Palu Sipat while doing a maneuver in the waters of the Musi River in Palembang on August 24, 2018 suffered damage to one of the auxiliary blowers which resulted in the main engine not being able to increase the rpm. This study aims to determine the cause of damage to auxiliary blowers in MT. Palu Sipat, to find out the impact caused by damage to auxiliary blowers in MT. Palu Sipat and to find out how to deal with damage to auxiliary blowers in MT. Palu Sipat. The research method in this minithesis is descriptive qualitative method, Sources of data taken from primery and secondary data. Technique of data collection that the writer used is practical research which includes observations, interview and literature review obtained data validity techniques. Technique of data analysis using which Fishbone analysis and SHEL analysis. The results of the study concluded that the cause of auxiliary blower in MT. Palu Sipat is a damage to the bearing shaft blower, lack of awareness of the engine crew and engineer of auxiliary blower maintenance, delays in the supply of spare parts by the company, the state of the air in the dirty engine room. The impact of auxiliary blower damage on main engine performance in MT. Palu Sipat is the lack of rinse air supply to the main engine, the main engine exhaust gas is black, the main engine cannot increase rpm. The way to overcome auxiliary blower damage is to replace the bearing shaft blower with a new one, Chief Engineer as the highest leader has the right to remind crew awareness of auxiliary blower maintenance, the company must be responsive to any events or trouble shooting on the ship, frequent checks, maintenance, and cleaning on auxiliary blower components periodically according to the manual book.

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