International Research Journal of Innovations in Engineering and Technology - IRJIET International Open Access, Monthly, Peer Reviewed, Reputed Journal ISSN (online): 2581-3048

Impact Factor (2025): 6.9

DOI Prefix: 10.47001/IRJIET

Damage Analysis of Caterpillar C9 Acert Machine Using Root Cause Analysis Method at PT. XYZ

Abstract

Since the occurrence of the first industrial revolution in the 18th century, machines have become a part of human life. Like humans, machines also need treatment to keep running their activities as described, the treatment carried out on machines is often referred to as maintenance. Maintenance is an activity that can restore the function of a system or a system to the initial function. Machine maintenance can be broadly classified into two types namely unplanned maintenance and planned maintenance; planned maintenance can be further classified as preventive maintenance and predictive maintenance while breakdown maintenance is considered as unplanned maintenance. At PT. XYZ a maintenance has been carried out on the Caterpillar C9 Acert engine, and after the field team carried a diagnosis, it was found that several parts of the engine were damaged, which would result in damage to the Caterpillar C9 Acert engine. This study uses the RCA (root cause analysis) method assisted by 5 whys analysis and fishbone diagrams. The results of the 5 whys analysis show the facts causing the damage in a structured manner, and the results from the fishbone diagram show the factors causing the damage which include human factors, machines, materials, and methods, making it easier to find the basic causal factors. This study aims to identify the cause of the damage so that preventive measures can be taken to minimize the recurrence of this damage in the future. The results of the two methods of analysis can be concluded that the main cause of the damage suffered by the machine is the occurrence of human error on the part of the company that owns the machine, therefore more precise decisions and policies are needed from the company so that the damage does not occur again in the future.

Country : Indonesia

1 Ir. Eflita Yohana MT. Ph.D.2 M.S.K Tony Suryo Utomo ST. MT. Ph.D.3 Mikhael Dixon Darmawan4 Wahyu Firmansah5 Muhammad Surya Taris Zulwaqar6 Reka Adiyasa Cahyapala

  1. Department of Mechanical Engineering, Faculty of Engineering, Diponegoro University, Semarang, Indonesia
  2. Department of Mechanical Engineering, Faculty of Engineering, Diponegoro University, Semarang, Indonesia
  3. Department of Mechanical Engineering, Faculty of Engineering, Diponegoro University, Semarang, Indonesia
  4. Department of Mechanical Engineering, Faculty of Engineering, Diponegoro University, Semarang, Indonesia
  5. Department of Mechanical Engineering, Faculty of Engineering, Diponegoro University, Semarang, Indonesia
  6. Department of Mechanical Engineering, Faculty of Engineering, Diponegoro University, Semarang, Indonesia

IRJIET, Volume 7, Issue 5, May 2023 pp. 171-182

doi.org/10.47001/IRJIET/2023.705020

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