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All Journal Jurnal Impresi Indonesia COMSERVA: Jurnal Penelitian dan Pengabdian Masyarakat
Halman Halman
Politeknik Negeri Nunukan, Indonesia
Religion Humanities Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Social Sciences

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Troubleshooting Sistem Pengereman Pada Truck quester Ismail Ramli; Wajilan Wajilan; Halman Halman; Al Amin
COMSERVA : Jurnal Penelitian dan Pengabdian Masyarakat Vol. 4 No. 10 (2025): COMSERVA: Jurnal Penelitian dan Pengabdian Masyarakat
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/comserva.v4i10.2945

Abstract

Sistem pengereman adalah sistem yang sangat diperlukan oleh kendaraan termasuk alat berat, baik yang memiliki roda empat ataupun roda lebih dari empat. Sistem pengereman ini memiliki fungsi yang sangat penting untuk menghentikan laju kendaraan, maka kecelakaan akan bisa dihindari. selain itu ketika kita melewati jalan turunan, maka sistem pengereman inilah yang berfungsi untuk melambatkan laju kendaraan, apa bila tidak ada sistem pengereman ini tentu laju kendaraan kita tak bisa dikontrol, maka bisa membayangkan setiap pengendara unit tersebut. tujuan ini adalah untuk mengidentifikasi berbagai jenis kerusakan atau gangguan yang dapat terjadi pada sistem pengereman kendaraan, baik itu pada sistem mekanik, hidrolik, maupun elektronik. Ini meliputi masalah pada kampas rem, cakram rem, kaliper, dan sistem ABS (Anti-lock Braking System). Metode yang dilakukaun Melakukan uji coba kendaraan untuk mengukur kinerja sistem pengereman, seperti uji daya cengkeram dan uji jarak berhenti pada berbagai kondisi. penyebab kerusakan dari sistem rem angin pada truck Quester GKE 280, adalah dengan melakukan pembongkaran slack adjuster.
Repair of the Starter Motor Unit of the 966 F Series II Cat Wheel Loader at the Ola Workshop in Nunukan Regency Al Amin; Ismail Ramli; Lisa Binti Harun; Halman Halman
Jurnal Impresi Indonesia Vol. 4 No. 10 (2025): Jurnal Impresi Indonesia
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jii.v4i10.7105

Abstract

The starter system in heavy equipment plays a crucial role in initiating engine operation by converting electrical energy from the battery into mechanical energy through a direct current (DC) motor. This study focuses on the repair and troubleshooting process of the motor starter in the Caterpillar Wheel Loader 966 F Series II, which experienced engine-starting failure at the Ola Workshop, Nunukan Regency. The research aimed to identify the causes of malfunction and to determine the appropriate repair method to restore normal engine operation. The data collection methods included field observation, interviews with mechanics, and documentation. The results revealed that the failure was primarily caused by worn carbon brushes, with brush length reduced to less than the standard 10 mm, resulting in an interruption of electric current flow to the armature. To resolve this issue, the damaged carbon brushes were replaced with new ones of standard specification (10 mm). After replacement, the motor starter functioned properly, allowing the engine to start efficiently and operate normally. The study highlights the importance of preventive maintenance and periodic inspection of electrical components in heavy equipment to prevent downtime and maintain operational reliability. This research contributes to the practical understanding of motor starter repair procedures, particularly for wheel loaders operating in field conditions with high mechanical and environmental stress.
Co-Authors Al Amin Ismail Ramli Ismail Ramli Lisa Binti Harun Wajilan Wajilan