1. The Case CX135SR Tier 3 Crawler Excavator Service Repair Manual, designated as Lep SM135SRTOC-0EN, is an essential resource for technicians and operators seeking comprehensive guidance on the maintenance and repair of this robust machinery. This manual provides detailed schematics, step-by-step procedures, and troubleshooting tips that cover all aspects of the excavator's operation, ensuring that users can effectively diagnose and resolve issues. With an emphasis on safety and efficiency, the manual includes specifications for parts, recommended service intervals, and best practices for optimal performance. Whether you are performing routine maintenance or complex repairs, this manual serves as a vital tool to enhance the longevity and reliability of the Case CX135SR, making it an indispensable addition to any equipment maintenance library.