This manual provides comprehensive service and repair information for the Nissan F04 Series Forklift, specifically focusing on internal combustion models. It details various engine options, including Gas/LPG TB45, Gas/LPG GM 4.3L, and Diesel S6S engines, alongside the forklift's core systems such as the power train, transmission, axles, brakes, steering, and hydraulic systems. The manual is designed to cover all aspects of maintenance and repair, ensuring the continued optimal performance and longevity of your Nissan forklift. The scope of this workshop service repair manual is extensive, covering everything from general information and tune-up procedures to detailed mechanical overhauls, electrical systems, and circuit diagrams. It includes diagnostic information, specifications, and step-by-step instructions for engine components, cooling, lubrication, and fuel systems. Furthermore, it addresses the forklift's specialized components like the mast and forks. This resource is invaluable for owners, mechanics, and technicians seeking to perform maintenance, troubleshooting, and repairs efficiently and effectively.