2001 Sumitomo Excavator SH120-3, SH200-3, SH200GT-3, SH220-3 Service Manual (P/N C4077-90960)

• Covers 2001 Sumitomo SH-3 series excavators (SH120-3, SH200-3, SH200GT-3, and SH220-3)
• Official Sumitomo factory publication (2001 edition, PN C4077-90960) totaling 166 pages
• Includes 12 hydraulic circuit diagrams, 27 electrical component layouts, and 5 detailed system operation timing charts
• Fully indexed file structure ensures rapid lookup of circuit specifications and component identifiers directly on the job site
• Supplied in a high-resolution PDF format, enabling mechanics to zoom closely into complex electrical networks on a shop tablet without clarity loss to ensure precise harness tracing
• Details equipment specifics including the ISUZU BB-6BG1T engine, electronic governors, Nephron oil filtration systems, limp-home control modes, auto boosting mechanisms, backup sensors, stop motors, and Idemitsu Daphne Super Hydro 46SX hydraulic oil
• Features essential reference visuals like wiring diagrams, electric circuit diagrams, pilot hose connection diagrams, main component layout drawings, control valve structural drawings, pre-glow time maps, idle revolution maps, bucket dimensions views, and auto warm-up time charts

Hydraulic and Electrical System Documentation

This factory service document serves as the definitive technical reference for the NEO control system and standard excavator functions. It breaks down exact layout drawings, hydraulic component lists, and comprehensive pilot hose connections unique to each machine variant. You get a clear, unfiltered look into the high-speed and low-speed travel circuits, swing parking mechanisms, and boom-down load-holding valve operations. Structural schematics of the control valve and quadruple solenoid valves help streamline complex system integration checks on the shop floor.

To reduce equipment downtime and bypass expensive dealer service center visits, this documentation outlines essential factory-level step-by-step procedures. Mechanics can directly execute initial machine model settings for the controller, run short-circuit auto-detections, and evaluate specific sensor resistances along the harness. Furthermore, technicians can access the onboard diagnostic system to retrieve and clear active fault codes (such as E0015 for water temperature sensor anomalies or M0020 for oil temperature issues) from the DIAG1 through DIAG6 monitor displays, eliminating the need for proprietary external scanning tools.

Technical Specifications and Performance Data

This manual delivers precise engine displacement numbers, relief valve set pressures, and required cooling system capacities. A dedicated cylinder specification table maps out inner tube diameters, rod diameters, and stroke lengths for all boom, arm, and bucket actuators. It also provides exact procedures for main relief, port relief, and swing motor pressure measurements and adjustments, ensuring operators can confidently calibrate hydraulic output on the job site.

It clearly outlines the specific performance and output differences between the SH200-3, SH200GT-3, and SH220-3 models. For instance, maximum digging forces are documented at both standard and boosted levels—with the SH200-3 bucket digging force reaching 141 kN under boosting, alongside a hydraulic pump discharge specified at 2 x 212 L/min for the SH220-3. These technical details provide the necessary foundation for accurate field maintenance and understanding how factory workshop documentation is structured for these heavy-duty units.

Important safety notice: This documentation is provided for reference purposes. Always verify procedures and specifications with a certified heavy equipment technician before initiating repairs or system adjustments.