This workshop service repair manual covers the Mitsubishi Forklift Trucks FB10KRT PAC, FB12KRT PAC, and FB15KRT PAC models, identified by chassis code EFB10A. These electric forklifts are designed for industrial material handling, warehousing, and logistics applications, offering capacities of approximately 1000 kg, 1200 kg, and 1500 kg respectively. Built with a focus on reliability and efficiency, these models feature electric motor drive systems with reduction gears and front-wheel drive, incorporating robust chassis, mast options, and hydraulic systems engineered for demanding operational environments. This comprehensive manual provides detailed information for maintenance, troubleshooting, and repair. It covers essential areas including chassis, mast options, general maintenance procedures such as fluid checks and lubrication, and in-depth repair procedures for various systems. Specific systems detailed include the front axle and reduction differential, transfer case, rear axle, brake system, steering system, and hydraulic system. The manual also addresses mast and forks, offering guidance for earlier and later versions, and includes advanced diagnostic charts and symptom-based fault finding to assist both do-it-yourselfers and professional technicians in maintaining optimal performance and resolving operational issues.