This manual covers the Clark CMP 15, CMP 18, CMP 20, CMP 25, and CMP 30 Forklift Trucks. Clark is a reputable manufacturer known for durable and reliable material handling equipment. These industrial forklifts are designed for various material handling applications, offering lifting capacities from 1500 kg to 3000 kg. They are equipped with either Mitsubishi 4G63/4G64 LPG engines or 4TN88/4TNE94 Diesel engines, supporting both LPG and Gasoline fuel systems. The CMP series forklifts feature Hydratork-Transmissions (TA 18 & TA 12) and Transaxle units, engineered for robust performance. This comprehensive service repair manual provides detailed information for owners, maintenance technicians, and repair shops. It covers all essential aspects of the forklift, including periodic service, planned maintenance schedules, and in-depth troubleshooting for engine, cooling, fuel, ignition, steering, and hydraulic systems. The manual includes step-by-step procedures for assembly, disassembly, servicing, diagnosing, and repairing all major components such as the powertrain, chassis, electrical system, brakes, and uprights. With detailed specifications, diagrams, photo illustrations, and schemes, this manual is an indispensable resource for maintaining and repairing your Clark forklift, enabling cost-effective self-maintenance and minimizing downtime.