This manual covers the Nissan Forklift Internal Combustion 1F1 and 1F2 Series, designed for reliable and efficient material handling. These forklifts are engineered for durability and performance in various industrial environments. The comprehensive documentation ensures that users have access to detailed information regarding the operation and upkeep of their equipment, reflecting Nissan's commitment to quality and longevity. The purpose of this service manual is to provide thorough guidance for maintenance, repair, and technical understanding of the Nissan Forklift Internal Combustion 1F1 and 1F2 Series. It includes detailed sections on general information, maintenance procedures, engine service for Gas/LPG K15, K21, K25 and Diesel QD32 engines, transmission, braking, steering, hydraulic systems, and electrical components. This resource is invaluable for owners, technicians, and mechanics seeking to maintain optimal performance and ensure the longevity of their Nissan forklifts.