This service repair manual covers the Clark PT-5, PT-7, PTT-5, and PTT-7 Forklift models. These forklifts are engineered for maintaining, assembly, disassembly, and servicing operations. The manual provides comprehensive details to ensure these machines operate reliably and efficiently. This English-language manual offers complete step-by-step operations, including detailed planned maintenance programs, adjustment procedures, and component replacement guides for items such as drive tires and load wheels. It also covers the electrical system, EV-100 operation, master control switch, and transmission. Troubleshooting procedures are included to assist in diagnosing and resolving issues, making it an essential resource for owners and technicians.