This service repair manual covers the Nissan 1F4 Series Forklift, specifically detailing the internal combustion models. It provides comprehensive information for servicing and repairing various components of the forklift, including its diesel TD42 and gas/LPG TB45 engines. The manual is designed to assist users in understanding and maintaining the operational integrity of their Nissan forklift. This manual encompasses a wide range of topics essential for vehicle upkeep and repair. Key areas include general information, detailed maintenance and service procedures, engine mechanics and systems, transmission, differential, drive and steering axles, brakes, steering, and hydraulic systems. It also covers the loading mechanism, fuel and exhaust, vehicle control, body, and electrical systems, along with wiring diagrams and specific options like DPF installation and maintenance. The manual serves as a vital resource for owners and technicians to ensure the efficient and reliable operation of the Nissan 1F4 Series Forklift.