We successfully completed a comprehensive overhaul of the ship's engine system. This involved the meticulous removal and lifting of the old engine block, crankshaft, and their associated accessories. Following this, we efficiently replaced and installed a new engine block and crankshaft unit. Our work also extended to the piping and steel framework, ensuring seamless integration and functionality. Additionally, we conducted a thorough service of the alternator, guaranteeing optimal performance. This holistic approach guarantees enhanced efficiency and reliability of the ship's engine system.