This comprehensive service training manual covers the Linde High Level Order Picker Type 015, specifically models V11ac and V12ac. It is an illustrated factory manual, providing detailed instructions and high-quality images to guide you through the operation, maintenance, and repair of your truck. The manual begins with general product information, truck data, and driving speeds. It then delves into diagnostics, including onboard diagnostics, software specifications, and fault code troubleshooting for various systems such as the truck control system (FZS), traction and pump control (FPS), input/output extension module (IOX), electric steering (ELK), and inductive guidance (IZF). You will find detailed sections on individual components, including the electric motor, mechanical drive axle, steering system, mechanical and inductive guidance, wheels and tires, brake system, controls, electrical and electronic systems, hydraulics, load lift system, special equipment for very narrow aisle trucks like ZAG systems, and other accessories. Each section features clear explanations, step-by-step procedures, and diagrams, making it easy to understand and follow. Whether you are a technician or an operator seeking in-depth knowledge about this Linde order picker, this manual is an invaluable resource for effective maintenance and troubleshooting.