This comprehensive workshop repair manual covers the Hyster C098 (E3.50-5.50XL (Pre-SEM)) service forklifts, designed for robust material handling applications. Built with engineering quality and reliability in mind, these forklifts feature a powerful LPG fuel system, a three-speed Power Shift transmission with an Autoshift Transmission Controller, and advanced hydraulic systems including main control and tilt valves. The robust construction extends to the steering axle, planetary gear axles with differential, and a durable brake system, ensuring efficient and safe operation in demanding environments. This manual provides essential information for maintaining and repairing your Hyster forklift. It details servicing procedures, preventative maintenance schedules, and troubleshooting guides, all supported by detailed photos, exploded diagrams, and drawings. Technical specifications, including capacities, fastener types (inch and metric), and electrical system components like the high-energy ignition system, alternator, and starter, are thoroughly covered. The manual's easy navigation and extensive content make it an indispensable resource for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of their equipment.