This maintenance manual covers Hitachi ZW220, ZW250, and ZW310 wheel loaders. These machines are engineered for robust performance and reliability in demanding operational environments. Designed for efficient material handling and construction tasks, they represent a commitment to quality and operational excellence. The manual details correct maintenance and inspection procedures, including considerations for maintenance under special environmental conditions, storage, and optional attachments. The purpose of this manual is to provide comprehensive guidance for the maintenance and inspection of your Hitachi wheel loader. It serves as an essential resource for owners, operators, and service technicians, offering detailed information on routine servicing, troubleshooting common issues, and understanding the technical specifications of the equipment. By following the procedures outlined within, users can ensure optimal performance, longevity, and safety of their ZW series wheel loaders.