Pangesti, Arwinda (2026) Analisis Jadwal Perawatan Preventive Pompa Slurry Berdasarkan Analisis Mean Time Between Failures (MTBF) dan Root Cause Analysis (RCA) PT XYZ. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
This study aims to develop a more effective preventive maintenance schedule for the Slurry Pump Machine at PT. XYZ by applying the Mean Time Between Failure (MTBF) and Fault Tree Analysis (FTA) methods. Based on historical data from October 2024 to September 2025, there were 55 failure occurrences with a total downtime of 984 hours out of 8,760 operating hours. The MTBF value was calculated at 150 hours and used as the basis for determining the maintenance interval. The FTA results indicate that the dominant failures occur in the bearing and impeller components, caused by inadequate lubrication, slurry contamination, erosion, and cavitation. Based on these findings, a more structured preventive maintenance schedule was developed, resulting in an increase in machine availability from 88.7% to 93.9%. The results show that the implementation of MTBF and FTA methods can improve machine reliability, reduce failure frequency, and minimize downtime in the Phonska fertilizer production process at PT. XYZ. Keywords: Preventive Maintenance, Mean Time Between Failures (MTBF), Root Cause Analysis (RCA), Slurry Pump, Downtime, Availability, Machine Reliability
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > T Technology (General) > T55.4-60.8 Industrial engineering. Management engineering T Technology > TS Manufactures |
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| Divisions: | Faculty of Engineering > Departement of Industrial Engineering | ||||||||
| Depositing User: | ARWINDA PANGESTI | ||||||||
| Date Deposited: | 29 May 2026 08:06 | ||||||||
| Last Modified: | 29 May 2026 08:06 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/53236 |
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