Dry docking for change of main engine and maintenance works
Open cesarean section in one side of the hull for taking out the old Yanmar main engine, dismantle the old Yanmar main engine, dismantle completely all the pipes related with the main engine in the engine room, eliminate inside the engine room the existing interferences for carrying out the manoeuver of taking out the old main engine and and putting inside the new main engine, install the new pipes related with the new main engine, close the cesarean section and install the elements dismantled, painting the hull in the area of the cesarean, measure the tail shaft clearances, supply and install one valve, repair water pump and carry out ultrasonic and vacuum pump tests.