A Aso Fathur Rachman, Paulus Banto Parrung, I Made Alet, Rukmini, Paris Juvenalis Marino Senda Woda

Perawatan Sistem Pendingin Mesin Induk di Kapal KM Dharma Kartika IX

Introduction

Perawatan sistem pendingin mesin induk di kapal km dharma kartika ix. Optimalkan sistem pendingin mesin induk KM Dharma Kartika IX. Atasi penyebab overheating (filter, cooler kotor, human error) dengan PMS, pembersihan rutin, dan disiplin kru demi performa kapal.

Abstract

The main engine cooling system on board a ship functions to maintain optimal engine operating temperature and prevent overheating, which can damage engine components. This research was conducted aboard KM Dharma Kartika IX during a 12-month sea practice (PRALA) to identify the causes of increased freshwater temperature in the cooling system and to determine effective maintenance strategies. A qualitative method was employed through direct observation, interviews with engine officers, and analysis of maintenance documentation. The findings revealed that the primary causes of rising freshwater temperature include clogged sea chest filters due to marine debris, fouled coolers, valve operation errors (human error), and inadequate maintenance and monitoring of pump pressure and cooling temperature. In addition, incorrect valve labeling led to the closure of essential cooling water flow, resulting in engine overheating. To maintain optimal cooling system performance, several measures were implemented: the application of a Planned Maintenance System (PMS), routine monitoring of pump pressure and cooling temperature, regular cleaning of sea chest filters and freshwater coolers, and thorough documentation of all maintenance activities. Improving crew discipline and awareness also plays a key role in ensuring system reliability. With a proper maintenance system, the cooling system can operate efficiently and support the safety and performance of the ship’s main engine operations.  

Review

This paper, titled "Perawatan Sistem Pendingin Mesin Induk di Kapal KM Dharma Kartika IX," addresses the critical issue of maintaining the main engine cooling system on board ships. The study, conducted during a 12-month sea practice on the KM Dharma Kartika IX, aimed to identify the root causes of increased freshwater temperature within the cooling system and, crucially, to determine effective maintenance strategies to mitigate these problems. Given the essential role of the cooling system in preventing engine overheating and subsequent damage, this research provides valuable insights into operational challenges faced in real-world maritime environments. Employing a qualitative research methodology, the authors utilized direct observation, interviews with engine officers, and analysis of maintenance documentation to gather data. The findings pinpointed several key contributors to rising freshwater temperatures. These included physical obstructions like clogged sea chest filters due to marine debris and fouled coolers, as well as human-related factors such as valve operation errors and inadequate maintenance and monitoring of pump pressure and cooling temperature. A particularly noteworthy finding was the impact of incorrect valve labeling, which led to the closure of essential cooling water flow and subsequent engine overheating, highlighting the importance of clear operational procedures and labeling. To address these identified issues and ensure optimal cooling system performance, the study outlines a comprehensive set of implemented measures. These include the application of a Planned Maintenance System (PMS), routine monitoring of critical parameters like pump pressure and cooling temperature, and regular cleaning of sea chest filters and freshwater coolers. Furthermore, the importance of thorough documentation of all maintenance activities and improving crew discipline and awareness are emphasized as vital components for system reliability. The research concludes that a proper maintenance system is fundamental for efficient cooling system operation, thereby supporting the overall safety and performance of the ship’s main engine operations, making this a practical and relevant contribution to maritime engineering and maintenance practices.

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