This manual covers the Nissan Forklift Internal Combustion 1F4 Series, specifically detailing service and repair procedures for the TB45 Engine, including models F04 and F05. It also includes information for the Nissan Engine Diesel TD42. These forklifts are engineered for robust performance and reliability in demanding industrial environments, offering efficient material handling solutions. The comprehensive design ensures durability and operational excellence, making them a trusted choice for various applications. The purpose of this manual is to provide detailed guidance for the maintenance, servicing, and repair of your Nissan forklift. It encompasses a wide range of topics, including diagnostic procedures, component overhauls, technical specifications, and safety protocols. By following the instructions within this guide, owners, technicians, and mechanics can effectively maintain the optimal performance and longevity of their equipment, ensuring safe and efficient operation.