This manual covers the HITACHI EX100M EXCAVATOR, designed for robust performance in demanding work environments. Its engineering prioritizes reliability and efficiency, making it a dependable choice for excavation and construction tasks. The EX100M is built to withstand rigorous use, offering consistent power and operational excellence for a wide range of professional applications. The purpose of this comprehensive workshop repair service manual is to provide detailed guidance for the maintenance, repair, and servicing of the HITACHI EX100M EXCAVATOR. It includes essential technical specifications, step-by-step repair procedures, troubleshooting advice, and safety precautions. This resource is intended for technicians, mechanics, and owners seeking to ensure the optimal performance and longevity of their equipment.