This service repair workshop manual covers the Hitachi EX22-2, EX25-2, and EX30-2 excavator models. Designed for professional use, these excavators are engineered for demanding construction and industrial applications, emphasizing robust performance and operational efficiency. Their construction reflects Hitachi's commitment to delivering reliable and durable heavy machinery, built to withstand rigorous work environments and provide consistent output. This comprehensive manual provides detailed service and repair instructions essential for maintaining the optimal performance of your Hitachi excavator. It is an indispensable resource for mechanics and technicians worldwide, covering a wide range of procedures and technical information necessary for effective troubleshooting, repair, and routine maintenance. Utilizing this manual will ensure your equipment remains in peak operating condition.