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Penerapan Network Planning Pada Rekondisi Electric Motor Rustibus 2000 MV. Meratus Malino Adiwijaya, Puji Alphatehah Putra Tri Surya; Tnunay, Imanuel Adam; Manesi, Damianus
Propeller Jurnal Permesinan Vol. 2 No. 1 (2024)
Publisher : Universitas Pertahanan RI

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Abstract

Electric Motor or what is called as dynamo is a driving motor that converts electrical energy into kinetic energy. This energy change is carried out due to differences in the magnetic field in the coil so that when the coil is electrified, there will be a difference in the magnetic field which causes movement. Rustibus 2000 is a rust removal machine (scaling machine) that removes rust from the surface of ships. The role of the dynamo on the Rustibus is very continuous so maintenance must be scheduled and routine. Dynamo maintenance is carried out using a parallel work system and is carried out sequentially without paying attention to work priorities. Here, researchers apply the method of network planning with the CPM (critical path method) approach by looking for critical paths so that the electric motor reconditioning work which originally took 18 hours at a cost of Rp. 2,700,000 to 17.5 hours at a cost of Rp. 2,625,000.
Analisis Keandalan dan Kinerja Pompa Air Kampus Ben Mboy: Studi Kasus dan Rekomendasi Tnunay, Imanuel Adam; Adiwijaya, Puji Alphatehah Putra Tri Surya; Manesi, Damianus
Propeller Jurnal Permesinan Vol. 2 No. 1 (2024)
Publisher : Universitas Pertahanan RI

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This study analyzes the reliability and performance of the water pump at Ben Mboy Campus, focusing on identifying issues and causes of failures, and developing improvement recommendations. An efficient water distribution system is crucial for supporting academic and operational activities at the campus. However, the pump used to transfer water from Rotiklot Dam frequently experiences failures, impacting water supply and operational costs. This research employs a descriptive quantitative method, collecting data through observations, interviews, and performance measurements to evaluate the frequency of pump failures in relation to operational time and workload. Regression analysis reveals a positive relationship between operational time and pump failure frequency, with recommendations to enhance maintenance scheduling and workload monitoring to reduce failures and improve system reliability. The research findings are expected to provide data-driven solutions for improving the water distribution system at Ben Mboy Campus and increasing its operational efficiency.