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Analisa Kegagalan Suspensi Cylinder pada Unit CAT 777D dan Dampak terhadap Downtime Operasional di PT Sims Jaya Kaltim Sunjana, Dhanie Freida Aji; Hermawan, Dadang; Suwandono, Purbo; Fadhillah, Arief Rizki
JURNAL FLYWHEEL Vol 17 No 1 (2026): Jurnal Flywheel
Publisher : Teknik Mesin S1 ITN Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/flywheel.v17i1.15660

Abstract

Penelitian ini bertujuan untuk menganalisis penyebab kegagalan suspensi silinder pada unit dump truck CAT 777D serta dampaknya terhadap downtime operasional di PT SIMS Jaya Kaltim. Sistem suspensi hidropneumatik pada unit ini memegang peranan penting dalam meredam getaran dan menjaga stabilitas kendaraan di medan tambang yang ekstrem. Namun, tingginya frekuensi kegagalan, terutama akibat keausan seal, overpressure sistem, dan kontaminasi oli, menjadi penyebab signifikan downtime alat berat. Studi dilakukan dengan pendekatan kuantitatif dan kualitatif melalui observasi lapangan, wawancara teknisi, analisis data maintenance, dan pengambilan sampel oli. Hasilnya menunjukkan bahwa 30 kejadian kegagalan suspensi selama satu tahun menyebabkan downtime sebesar 257 jam, dengan hubungan korelasi yang sangat kuat (r = 0,984) antara frekuensi kerusakan dan durasi downtime. Dari analisis Pareto, tiga penyebab utama menyumbang lebih dari 80% total kerusakan, yaitu seal aus (45%), overpressure (30%), dan kontaminasi oli (25%). Temuan ini menunjukkan bahwa strategi pemeliharaan preventif yang saat ini digunakan belum efektif dalam mencegah kegagalan internal. Oleh karena itu, penelitian ini merekomendasikan penerapan Predictive Maintenance (PdM) berbasis sensor dan analisis data kondisi nyata untuk menurunkan downtime, memperpanjang usia pakai komponen, dan meningkatkan efisiensi operasional.
DAMPAK IMPLEMENTASI PARIWISATA HALAL TERHADAP DINAMIKA PERTUMBUHAN EKONOMI REGIONAL DI PROVINSI BANTEN Dadang Hermawan; Dendi Riswandi; Mumu Zainal Mutaqin
International Journal Mathla’ul Anwar of Halal Issues Vol. 6 No. 1 (2026): Maret
Publisher : Universitas Mathla’ul Anwar Banten

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aims to analyze in depth the impact of halal tourism implementation on regional economic growth dynamics in the rich province of Banten, which has great opportunities to utilize halal tourism as a new catalyst for sustainable economic growth. It also seeks to identify how the development of a halal tourism ecosystem, which includes the provision of facilities and services in accordance with sharia principles, can increase the number of tourist visits and encourage investment in related sectors. The research method used is qualitative with a literature study type. This approach was chosen to comprehensively collect, review, and analyze various secondary data sources, such as previous research reports, scientific journals, official local government publications, and policies related to halal tourism and the regional economy in Indonesia, particularly in Banten Province. Through a literature study, researchers can map relevant concepts, theories, and empirical findings to build a strong analytical framework and identify patterns, trends, and gaps in the discussion of the contribution of the halal tourism sector to indicators of regional economic growth in Banten. The results of the discussion show that the implementation of halal tourism in Banten Province has had a positive and significant impact on accelerating regional economic growth. This strategy has succeeded in expanding the target market to domestic and global Muslim tourists who are sensitive to sharia aspects, which has led to an increase in foreign exchange and money circulation in the region. Furthermore, the development of halal tourism has clearly boosted the local economy, especially in the micro, small, and medium enterprises sector engaged in halal culinary, Muslim fashion, and handicraft products. This indicates that halal tourism not only increases revenue in the tourism sector but also drives diversification and resilience in the overall regional economy of Banten.
Co-Authors ., silviana AA Sudharmawan, AA Adriani, Ni Putu Erica Puspita Agung Suprapto, Agung Andi Nugroho Andy Hardianto Anggunio, Cornelius Aprianto, Wahyu Rizki Arie Restu Wardhani Arief Rizki Fadhillah Arifah Bunga Fathimah As, Dikri Ilham Asmah Amir Assery, Wardah Aswan Aswan Awan Uji Krismanto Ayu, Dewi Baihaqi, Rosiawan Bambang Hendiswara Budi Tjahjono Cahyo, Agung Dwi Candra Ahmadi, Candra Candra, Ferdika Dwi Dendi Riswandi Dewi, Ni Putu Dilia Dian Pramana Dian Rahmani Putri, Dian Rahmani Diana, Ai Dilia, Dilia Dewi Djuwarsa, Tjetjep Dlofir, Aan Taufik Eko Yohanes Setyawan Elvina Zahrah Ramadhina Evans, Richard Fachrudin Fachrudin Faqih Rofii Fathonah, Annisa Siti Febi Rahmadianto Gatot Soebiyakto Gatot Soebiyakto Gede Angga Pradipta Hardianto, Andi Hartanto, Albertus Niko Kristian Harun Alrosyid, Harun Hasanah, Afifah Nur Heni Pujiastuti Huda, Khisbullah Hutri Wicaksono, Leo I Gusti Made Sukaarnawa I Gusti Putu Arlina Ayuningsih, I Gusti Putu I Made Darsana I Putu Arnawa Ida Bagus Suradarma, Ida Bagus Iriananda, Syahroni Ismail*, Nova Risdiyanto Joko Santoso Juniwati, Endang Hatma Kadafu, Abidin Kadek Eka Sapta Wijaya Kautzar, Galuh Zuhriah Khoirul Lisyaniah Kusuma, Tubagus Mahendra Lenang, Elvin Bimbu Ngunju Leo Hutri Wicaksono Limbong , Benny Leonardo Luqvian, Alvan Ade Ma'sumah, Mufidatul Maharani, Ida Ayu Mayasari, Ine Mega Nur Sasongko Millah, Shofiyul Moch. Munawir Amin Mochamad Umar Mai Mochammad Nurcholis Majid Moehaditoyo, Sri Hartutie Muhammad Ilman Nur Sasongko Muhlis Muhlis Mumu Zainal Mutaqin Ngudi Tjahjono Noorsyah Adi Noer Ridha Nova R. Ismail Nova Risdiyanto Ismail Nurdin, Ade Ali Nurida Finahari Nurkholis Hamidi Pakpahan, Rosma Pinandito, Prasetyo Pratama, Rizqi Fajar Purbo Suwandono rahmad Kurniawan Rahmad Kurniawan Rahmani Putri, Dian Redita Dicky Setiawan Resdianto , Agus Rivandir Ukar, Yakobus Rizki Fadhillah, Arief Roring, Anjalita Geraldine Roy Rudolf Huizen Ruhana, Nafisah Sanjaya, Wahyu Saputra, Akhmad Rizki Saroso, Budi Sasongko, M. Ilman Nur Sa’bana, Rifqi Fauzan Siti Zubaidah Stefan Enus, Handry Sumardjo Sunjana, Dhanie Freida Aji Suriansyah Suriansyah Sabarudin Susilo, Tarsisius Syafitri, Rully Dyah Syamsiar, Syamsiar Toto Cimurti Ujang Jenal Wedashwara, I Gede Putu Wirarama Wicaksono, Leo Hutri Wirananda, Wira Zaenuri