This manual covers the Hyster B477 (T7ZAC) forklift, a Class 3 Electric Motor Hand Truck designed for efficient material handling. Engineered for reliability and performance, this electric-powered forklift utilizes an industrial battery system and features robust construction, including its frame, master drive unit, and steering mechanism. Its advanced AC motor controller and braking system ensure precise operation and safety in demanding work environments. The forklift's design prioritizes operational efficiency and ease of maintenance, making it a valuable asset for various industrial applications. This comprehensive Service Repair Factory Manual in English provides detailed guidance for maintaining and repairing your Hyster forklift. It covers essential areas such as periodic maintenance, troubleshooting procedures using the ETACC program, and step-by-step repair descriptions for all major components, including the electrical system, AC motor, brakes, and steering. Technical specifications, capacities, and user interface information are also included. The manual is designed to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of the B477 (T7ZAC) model.