This manual covers the CASE 588, 588C, and 588P series excavators, designed for demanding construction and industrial applications. These machines are engineered for robust performance, offering reliable operation across various tasks. The 588 series is available in both crawler and wheeled configurations, providing versatility to suit different job site requirements and ensuring efficient material handling and excavation. This Schematic Service Repair Manual provides comprehensive technical information for maintaining and repairing your CASE excavator. It includes detailed schematics for electrical and hydraulic systems, along with essential maintenance procedures, torque specifications, and tests and adjustments. The manual is intended to assist owners, mechanics, and technicians in understanding the intricacies of the 588 series, facilitating proper upkeep and efficient troubleshooting to ensure optimal performance and longevity.