This document covers the Hyster F117 series forklifts, specifically the H1050HD-CH and H1150HD-CH models. These heavy-duty industrial forklifts are engineered for demanding lifting and material handling applications in environments such as warehouses and construction sites. Built with robust construction and designed for reliability, these machines offer significant lifting capacities, with the H1150HD-CH model capable of handling loads up to 11,500 lbs. They feature hydraulic controls and are typically equipped with diesel engines and automatic transmissions, providing the power and efficiency required for intensive industrial operations. This comprehensive Workshop Service Repair Manual provides essential information for the maintenance, repair, and operation of your Hyster forklift. It details critical procedures, including recommended service intervals, fluid specifications, and inspection schedules for daily, weekly, monthly, and annual checks. The manual also includes technical specifications, troubleshooting guidance, and information on the control systems and mast types. By following the instructions within this manual, owners, mechanics, and technicians can ensure the continued performance, safety, and longevity of their Hyster F117 series forklift.