ANDRIYANTO, NOVA (2019) ANALISA RELIABILITY CENTERED MAINTENANCE (RCM) PADA MESIN GENSET 250 KVA DENGAN PENDEKATAN PLAN DO CHECK ACTION (PDCA) (studi kasus HOTEL AMARIS). S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
250 kva generator in the hotel amaris is one of the equipment that has a high urgency in an electric energy generator including the building and electrical equipment that facilitates it, the cause of the failure of the operation of the 250kva generator engine such as overheat in the engine, distribution of fuel is not optimal, the level of oil in the engine reduced and the engine cannot be started or cannot run automatically. Cooling system downtime with a percentage of 49% electricity system 22% lubrication 17% and fuel system 13% period July 2018 until June 2019, with the target of the company that is Zero downtime. Efforts to evaluate this problem the author uses reliability centered maintenance analysis, plan do check action and look for the value of reliability by calculating the time between failures obtained R (t) = 0.96 and F (t) = 0.04, the average working hours are μ 450 hours, Δ = 6.6% ≤ 20%, Reliability Function with the value of -t R (t) Δ = 1.12, and σ (s) = 265.1941 on a 250 kva generator set. The results showed that the implementation of the improvements obtained from the evaluation that is the optimal time for maintenance of engine components is when the engine operates for 214 hours or equal to 8 days 22 hours with an assumption of approximately 9 days. Keywords: Reliability Centered maintenance (RCM), Plan Do Check Action (PDCA), Time Between Failure (TBF), Microsoft Exel and Minitab 16. Genset 250 kva di hotel amaris adalah salah satu peralatan yang mempunyai urgensi tinggi pada suatu pembangkit energy listrik meliputi gedung beserta peralatan electrical yang memfasilitasi di dalamnya, penyebab kegagalan beroperasinya mesin genset 250kva seperti overheat pada mesin, pendistribusian bahan bakar tidak optimal, level oil pada mesin berkurang dan mesin tidak bisa di starter atau tidak bisa running secara automatis. Downtime sistem pendingin dengan persentase 49 % sistem kelistrikan 22% pelumasan 17 % dan sistem bahan bakar 13% periode juli 2018 hingga juni 2019, dengan target dari perusahaan yaitu Zero downtime. Usaha untuk mengevaluasi masalah tersebut penulis mengunkan analisa reliability centered maintenace, plan do check action dan mencari nilai realibility dengan menghitung time between failure di peroleh R (t) = 0,96 dan F (t) = 0,04, Rata rata jam kerja ialah μ 450 jam, Δ = 6,6 % ≤ 20%, Realibity Function dengan nilai –t R (t) Δ = 1,12, dan σ (s) = 265,1941 pada mesin genset 250 kva. Hasil penelitian menunjukan bahwa implementasi perbaikan yang diperoleh dari evaluasi yaitu waktu optimal perawatan komponen mesin adalah ketika mesin beroperasi selama 214 jam atau sama dengan 8 hari 22 jam dengan asumsi kurang lebih 9 hari. Kata kunci : Reliability Centered maintenance (RCM), Plan Do Check Action (PDCA), Time Between Failure (TBF), Microsoft Exel Dan Minitab 16.
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