This manual covers the HITACHI EX270 and EX270LC excavator models. These machines are engineered for robust performance and reliability in demanding work environments. Their design prioritizes durability and operational efficiency, making them a trusted choice for various construction and heavy-duty applications. The purpose of this comprehensive service manual is to provide detailed information for the maintenance, repair, and servicing of your HITACHI excavator. It includes essential procedures, technical specifications, and troubleshooting guidance to assist owners, mechanics, and technicians in keeping the equipment in optimal working condition and ensuring safe operation.