ANALISIS KERUSAKAN MOTOR LISTRIK PADA CRANE SAAT BONGKAR MUAT DI MV. DK 01

BIMA, PAMULA V (2019) ANALISIS KERUSAKAN MOTOR LISTRIK PADA CRANE SAAT BONGKAR MUAT DI MV. DK 01. Diploma thesis, POLITEKNIK ILMU PELAYARAN SEMARANG.

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Abstract

ABSTRAKSI Bima Pamula Vikaso, 2019, NIT : 51145435 T, “Analisa kerusakan motor listrik pada crane saat bongkar muat di MV.DK 01”, skripsi Program Studi Teknika, Program Diploma IV, Politeknik Ilmu Pelayaran Semarang, Pembimbing I: Dr.Eko Nugroho W.MM.M.Mar. E., Pembimbing II: Dr. Capt. Mashudi Rofik M,S.c, M.Mar, motor listrik tidak terlepas hubungannya dengan keberadaan alat bongkar muat di kapal yaitu Cargo Crane yang digunakan untuk proses menaikkan muatan ke atas kapal ataupun proses bongkar muatan dari kapal ke darat sehingga kapal dapat melakukan fungsi kerjanya secara baik. Adanya permasalahan atau gangguan pada sistem komponen motor listrik pada crane dapat mengakibatkan keterlambatan pada bangket/grab sehingga proses bongkar muat tidak dapat bekerja dengan normal. Seketika langsung diadakan pengecekan motor listrik pada crane. Mengingat pentingnya cargo crane agar dapat mengangkat beban sesuai safe working loadnya maka keberadaan cargo crane di kapal harus dirawat dengan baik, penulis menjabarkan tentang fungsi komponen motor listrik pada crane untuk memecahkan masalah yang ada dalam proses penelitian. Dengan metode pendekatan yang digunakan adalah SWOT (Strenghts, Weakneses, Oportunitis and Threats) dan HAZOP (Hazard and Operability Study), dimana kerusakan motor listri dengan pemecahan masalah SWOT digunakan untuk mengidentifikasi faktor–faktor penyebab kerusakan motor listrik dan digunakan untuk pemecahan masalah, dimana HAZOP digunakan untuk mengidentifikasi dampak dari kerusakan motor listrik. Dengan mengetahui faktor-faktor penyebab cargo crane tidak dapat mengangkat beban dan upaya-upaya untuk menanggulangi masalah tersebut diharapkan penanganan pada cargo crane lebih terarah dan down time cargo crane lebih kecil serta tidak menggangu proses bongkar-muat dan operasi dari kapal itu sendiri sehingga kegiatan pelayaran dapat berjalan dengan lancar dan perusahaan tidak mengalami kerugian yang disebabkan terganggunya operasional kapal, pada akhir bagian skripsi penulis menyajikan kesimpulan dan saran. Untuk maalah yang terjadi dan memmberi saran agar melaksanakan perbaikan dan perawatan sesuai Instruction Manual Book. ABSTRACT Bima Pamula Vikaso, 2019, NIT: 51145435 T, "Analysis of damage to electric motors on cranes during loading and unloading in MV. DK 01", Thesis of Engineering Study Program, Diploma IV Program, Semarang Shipping Science Polytechnic, Advisor I: Dr.Eko Nugroho W . MM. Mar. E., Advisor II: Dr. Capt. Mashudi Rofik M, S.c, M.Mar, Electric motors on cranes that function as luffing, hoisting or slewing motors on cargo cranes. Cargo crane serves to raise the load on the boat or reduce the load from the ship to the land, converting electric power into motion energy. Overload caused by damage to the bearing which results in the stator being briefly related to the frame on the electric motor on the crane. Which can be a single phasing or which means that one of the 3 supply lines is cut off. So that it can cause no power to hold the power from the motor in which one of the streams is cut off. As a result of the incident, the ship that was supposed to finish the process of loading the goods within a few days was delayed and the company had to pay an additional fee for the incident. The impact of damage to electric motors on cranes is very influential on the shipping business because it is related to the loss of time and material related shipping companies. Considering the importance of the cargo crane so that it can lift the load according to its safe working load, the presence of cargo cranes on the ship must be properly maintained. With the approach method used is HAZOP (Hazard and Operability Study) and SWOT (Strenghts, Weakneses, Opportunitis and Threats), where Hazop is used to identify the factors that cause damage to electric motors and the impact of electric motor damage while SWOT is used for problem solving. By knowing the factors that cause cargo cranes cannot lift loads and efforts to overcome these problems, it is expected that the handling of cargo cranes is more directed and down time cargo cranes are smaller and do not interfere with the loading and unloading process and operation of the ship itself so that shipping activities can run smoothly and the company does not experience losses due to disruption of ship operations, at the end of the thesis section the author presents conclusions and suggestions.

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