The Hyster C138 (N40-50EAER) is a Class 2 Electric Motor Narrow Aisle Truck designed for efficient material handling. Engineered for reliability and performance, this electric forklift offers robust operation in demanding environments. Its advanced electric drive system and EV-100 controller contribute to its operational effectiveness and suitability for various industrial applications. This comprehensive Service Repair Factory Manual provides detailed information for maintaining and repairing your Hyster C138 (N40-50EAER) truck. It covers essential areas including maintenance schedules, battery indicators, hydraulic systems, mast components, brake assemblies, and electrical adjustments. The manual also includes specific guidance on the EV-100 controller, offering descriptions, repair procedures, adjustments, and troubleshooting steps, along with schematics, diagrams, and technical specifications to ensure optimal vehicle performance and longevity.