This video shows how to add oil, fuel and coolant to a diesel generator. Keep in mind that refill coolant ONLY after the genset has fully cooled down. Ensure the engine oil is compatible with the <br />engine model—refer to the engine manual for specific specifications. Fill the coolant to the specified level as indicated in the manual.<br /><br />For more info, visit: https://www.dbdieselgenerator.com/