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All Journal IJOCE (International Journal of Offshore and Coastal Engineering) Community Development Journal Dinasti International Journal of Education Management and Social Science Reswara: Jurnal Pengabdian Kepada Masyarakat Jurnal Patria Bahari Jurnal Locus Penelitian dan Pengabdian Equivalent: Jurnal Ilmiah Sosial Teknik
Fadel Muhammad
Politeknik Pelayaran Sorong
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Operational Challenges and Maintenance Strategies of Marine Fresh Water Generator System Filemon Filemon; Junaidi Roni Prastia; Fajar Gumelar; Fadel Muhammad; Meti Kendek
Equivalent: Jurnal Ilmiah Sosial Teknik Vol. 8 No. 3 (2026): Equivalent: Jurnal Ilmiah Sosial Teknik
Publisher : Politeknik Siber Cerdika Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59261/jequi.v8i3.393

Abstract

Background: The Fresh Water Generator (FWG) is a critical shipboard system that produces potable and technical fresh water from seawater via vacuum evaporation, utilizing waste heat from the main engine jacket cooling water circuit.  The FWG is susceptible to operational disruptions including heat exchanger fouling, mineral scaling, vacuum system failures, thermal efficiency reduction, and salinity monitoring errors. Objective: This study investigates these operational challenges and the maintenance strategies employed to address them, based on the direct professional experience of marine engineers employed by Anthony Veder Rederijzaken, a Rotterdam-based LNG shipping company. Methods: A qualitative case study methodology was adopted, using semi-structured interviews with five marine engineers at the rank of Second and Third Engineer. Five respondents were sufficient because thematic data saturation was reached, with no new themes emerging from the final interviews. Interview data were analyzed manually through thematic analysis, supported by technical document review and structured literature comparison. Results: Five operational challenge themes were identified: biofouling and physical fouling of plate heat exchangers; mineral scaling from calcium carbonate and magnesium hydroxide precipitation; vacuum system degradation from air ingress; reduced thermal efficiency under variable engine load; and salinity monitoring system failures. Corresponding maintenance strategies include scheduled chemical descaling, vacuum integrity checks, routine performance monitoring, pump and ejector overhauls, and weekly salinometer calibration. These findings contribute a practitioner-grounded, route-adaptive framework for condition-based maintenance practice. Conclusion:  The findings offer evidence-based recommendations that advance maintenance management in maritime engineering and provide empirical material for strengthening maritime education curricula.
Co-Authors Achmadi, Tri Agus Sulistiono Aurino Putra Trisna Dodik Widarbowo Fajar Gumelar Filemon Filemon Filemon Filemon Filemon Filemon Firdani, Arief Nashrul Hafita, Yuniar Ayu Hasanudin Ilham Idham Dwi Satria Ikbal, Iqdam Mukaddim Junaidi Roni Prastia Malatunduh, Injilia Kristina Nansi Meti Kendek Muhammad Idris Muhammad Sapril Siregar MUJI SETIYONO Natalia, Tia Nugraha, Bugi Nursukmana Djati NURWAHIDAH NURWAHIDAH Pardosi, Leonardo Rafles Pranata Stevian G. A. Rakka Sumarta, Ryan Puby Suroyo Suroyo Widarbowo, Dodik