This manual covers the Clark CMP Series Forklift Trucks, including models CMP 15, CMP 18, CMP 20, CMP 25, and CMP 30. Clark has a long heritage in industrial equipment, and the CMP series represents a robust line of internal combustion engine forklifts known for their durability and reliability in demanding work environments. These machines are engineered for efficient material handling across various industrial applications, from warehousing to manufacturing. This comprehensive service repair workshop manual provides detailed procedures for all repair, servicing, and troubleshooting aspects of the Clark CMP Series forklifts. It covers critical systems including the engine, powertrain, hydraulics, electrical systems, chassis, braking, and operator compartment. With step-by-step instructions, detailed illustrations, and technical data, this manual is an essential resource for professional mechanics, technicians, and serious users aiming to maintain and repair these industrial vehicles effectively.