This workshop service repair manual covers Mitsubishi FBC15, FBC20, FBC25, and FBC30 forklift trucks, designed for reliable material handling in industrial and warehouse environments. These electric counterbalanced forklift trucks, indicated by model series codes such as AFB1-50401 and AFB3A-00011, are known for their performance and durability. The FBC series offers various load capacities, ranging from 1.5 to 3.0 tons, making them suitable for general warehousing, manufacturing, and logistics operations. This manual provides comprehensive, high-quality diagrams and instructions essential for servicing and repairing these robust material handling machines, offering significant value for owners and operators. The scope of this manual is extensive, providing detailed workshop-level coverage for owners, operators, and maintenance personnel. It encompasses critical areas including electrical systems, chassis systems (reduction differential, axles, brakes, steering, hydraulics), powertrain components, and mast and forks. The manual offers practical, comprehensive instructions for maintenance, repair, and troubleshooting, including detailed diagrams, wiring schematics, and diagnostic procedures. Its purpose is to empower users with the knowledge to efficiently maintain and repair their Mitsubishi forklift trucks, ensuring optimal performance and longevity while potentially reducing professional service costs.