Analysis of Factors Causing Difficult Initial Starting of the Main Engine on the AHTS SK Canopus
Analisis Faktor Penyebab Sulitnya Start Awal Pada Mesin Induk Kapal di AHTS SK CANOPUS
DOI:
https://doi.org/10.48192/vns.v13i1.738Keywords:
Main Engine, Initial Start, Battery, Voltage, Routine MaintenanceAbstract
Difficulty in starting a ship’s main engine can delay departures, disrupt operations, and create safety risks. This study analyses the factors that caused the initial starting difficulty of the starboard main engine on the AHTS SK Canopus, the impacts of the failure, and the corrective measures applied. A descriptive qualitative design was used, based on direct observation and documentation on board over a 12-month period; the battery data were processed with SPSS (paired samples statistics, paired samples correlations, and the Wilcoxon signed-rank test) and checked with basic electrical formulas. On 25 July 2023, the starboard main engine failed to start during manoeuvring because the battery voltage was below the specification in the manual book, as the battery had exceeded its service life. Compared with the normal condition, the abnormal battery required 13.3 hours to charge instead of 6.6 hours and drew a charging load of 6.43 A instead of 3.18 A, while the overheated battery showed a load of 4.83 A. After the battery was replaced according to the manufacturer’s specification, the charging time fell to 3.3 hours and the charging load to 1.6 A, and the statistical indicators returned to those of the normal condition. The study concludes that battery condition is a key factor in the starting reliability of the main engine and recommends periodic monitoring of battery voltage and charging time within the planned maintenance system to prevent similar failures.
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