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All Journal SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin
Yosep Salfaridus Nong Sandro
Universitas Pembangunan Nasional "Veteran" Jawa Timur
Automotive Engineering Control & Systems Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Optimizing Preventive Maintenance Scheduling of Centrifugal Pumps Using FTA and FMEA Techniques Yosep Salfaridus Nong Sandro; Rusindiyanto Rusindiyanto
SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Vol. 19 No. 1 (2025): SINTEK JURNAL
Publisher : Faculty of Engineering, Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/sintek.19.1.82-92

Abstract

Centrifugal pumps are critical assets within the production system of PT XYZ. Failures in their subcomponents can cause significant operational disruptions. This study aims to optimize the preventive maintenance scheduling for centrifugal pumps by integrating Fault Tree Analysis (FTA) and Failure Mode and Effect Analysis (FMEA). The FMEA identified the highest Risk Priority Numbers (RPNs) for the ball bearing (252), mechanical seal (240), and impeller lock (240), which are associated with risks such as overheating, leakage, and wear. Based on these findings, a revised preventive maintenance schedule comprising 63 tasks was developed. Implementing this optimized schedule increased machine reliability from 76.98% to 95%, corresponding to an 18.02% improvement in effective operational availability through reduced downtime. These results underscore the importance of a structured, risk-based preventive maintenance strategy for ensuring production continuity. The study recommends increasing the maintenance frequency for critical components, selecting more durable materials, and implementing regular condition monitoring. The findings demonstrate that risk-based maintenance strategies can significantly enhance system reliability and industrial process efficiency.
Co-Authors Rusindiyanto