This manual covers the Clark GEX Series Forklift Truck, including models GEX20, GEX25, GEX30S, GEX30, and GEX32. Clark, a pioneer in material handling, has a long history of innovation, and the GEX series represents their line of electric forklifts focused on efficiency and operator comfort. These machines are designed for demanding industrial environments, offering robust performance and reliability. The manual details their electric drive powertrains, hydraulic systems, electrical components, chassis, suspension, operator station, and mast assemblies, providing comprehensive information for maintaining and operating these forklifts. This service repair workshop manual provides detailed factory-level procedures for maintenance, repair, and troubleshooting of the Clark GEX Series Forklift Truck. It is designed for professional forklift technicians, maintenance departments, fleet managers, and experienced mechanics. The manual covers all major systems, including powertrain, hydraulics, electrical, chassis, and operator controls, with hundreds of pages containing step-by-step instructions, detailed diagrams, and exploded views. Its scope includes routine maintenance schedules, fluid specifications, common wear item identification, and in-depth diagnostic procedures for electrical and hydraulic faults, ensuring optimal performance and longevity of the equipment.