This Repair Service Work Shop Manual provides comprehensive information for the JCB Telescopic Handler, covering a wide range of models including the 520-2, 520-4, 520M-2, 520M-4, 525-2, 525-4, 525B-2, 525B-4, 530-3, 530-4, 530B-2, 530B-4, 540B-2, 540B-4, 540BM-2, 540BM-4, 525B-HL, and 530B-HL. These versatile machines are engineered for demanding work environments, offering robust performance and reliability. While specific production years are not detailed, this manual is designed to support the operational integrity and longevity of these essential pieces of equipment. The purpose of this manual is to serve as an authoritative guide for maintaining and repairing the specified JCB Telescopic Handler models. It encompasses crucial areas such as general information, engine details, routine maintenance schedules, safety protocols, and in-depth procedures for the care and servicing of the body, framework, hydraulics, transmission, brakes, and running gear. Furthermore, it includes diagnostic procedures and troubleshooting guidance, along with information on attachments and operator station features, making it an indispensable resource for owners, mechanics, and technicians.