This manual covers the JCB JS Series Excavator, including models JS 200, JS 210, JS 220, JS 240, and JS 260. These excavators are engineered for demanding construction and earthmoving applications, featuring robust diesel engines with displacements typically ranging from 6.7L to 6.8L and power outputs from approximately 107 kW to 140 kW, depending on the specific model. Their hydrostatic transmission provides variable speed control, and operating weights vary from around 20,000 kg to 26,000 kg. The JS Series is designed for reliability and performance in challenging environments.

This Electrical Wiring System and Diagrams Manual, provided in Spanish, offers comprehensive guidance for maintaining and repairing the JCB JS Series Excavators. It details the complete electrical system, alongside essential information on general procedures, safety precautions, routine maintenance, body and frame, hydraulics, transmission, undercarriage, and the engine. This documentation is an indispensable resource for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of their equipment through accurate troubleshooting and adherence to specified maintenance schedules.