Kohesi: Jurnal Sains dan Teknologi

Articles

Vol. 11 No. 4 (2026): Kohesi: Jurnal Sains dan Teknologi, ISSN 3025-1311

Analisis dan Usulan Perawatan Pompa Booster Propylene Menggunakan Failure Mode and Effect Analysis (FMEA) di PT. XX

DOI:
https://doi.cibangsa.org/DOI-2026-197
Submitted
September 15, 2026
Published
2026-09-15

Abstract

Keandalan sistem pompa booster feed propylene penting untuk menjaga kontinuitas suplai bahan baku pada proses produksi polypropylene. Penelitian ini bertujuan menentukan gangguan prioritas, menilai risiko kegagalan, mengidentifikasi faktor penyebab, dan menyusun usulan perawatan pada P-300A, P-300B, dan P-300C. Data historis gangguan periode 2023–2025 dianalisis menggunakan diagram Pareto berbasis unplanned maintenance downtime, kemudian gangguan prioritas dinilai dengan Failure Mode and Effect Analysis (FMEA). Faktor penyebab diidentifikasi melalui wawancara, observasi, dan Fishbone Diagram 6M, sedangkan usulan perawatan disusun melalui evaluasi maintenance existing dan analisis 5W1H. Sebanyak 12 responden yang terdiri atas operator, teknisi maintenance, dan engineering memberikan penilaian Severity, Occurrence, dan Detection pada skala 1–10. Hasil menunjukkan 24 kejadian gangguan dengan total 200 jam unplanned maintenance downtime. Empat gangguan menyumbang 170 jam atau 85% downtime, yaitu vibrasi berlebih, temperatur motor tinggi, kebocoran mechanical seal, dan kebocoran fluida propylene. RPN tertinggi adalah vibrasi berlebih sebesar 314,82, diikuti kebocoran fluida propylene 237,82, kebocoran mechanical seal 231,90, dan temperatur motor tinggi 201,44. Usulan utama meliputi vibration monitoring mingguan, routine cleaning impeller saat pembongkaran, penguatan inspeksi sistem sealing, dan penyesuaian interval pelumasan bearing dari tiga bulan menjadi satu bulan.

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