This service manual covers the Nissan Forklift Internal Combustion 1F4 Series, designed for robust industrial applications. It provides comprehensive information for maintaining and repairing these reliable machines. The manual details various systems, ensuring that users can effectively manage their forklift's performance and longevity. This manual serves as a complete guide for owners, technicians, and mechanics. It includes detailed sections on general information, maintenance procedures, and specific repair instructions for key components such as the engine, transmission, hydraulic system, and braking system. With clear diagrams and instructions, this resource empowers users to perform necessary service and troubleshooting, contributing to the optimal operation of their Nissan forklift.