| Index and Foreword | 00 | Manual organization and introductory information | How to use the manual, table of contents, safety notices, metric conversion tables, basic information |
| Specifications | 01 | Complete machine specifications and dimensions | Machine weights, operating specifications, shipping dimensions, fluid capacities, serial number locations (B30001 and up) |
| Structure and Function | 10 | Component operation and maintenance standards | Theory of operation, component function descriptions, cross-sectional drawings, maintenance standards, wear limits, inspection procedures |
| Standard Value Table | 20 | Technical specification tables for service | Standard service values, tolerance ranges, pressure settings for hydraulic systems, flow rate specifications, temperature ranges for engine and hydraulics |
| Testing and Adjusting | 30 | Diagnostic and calibration procedures | Engine speed measurement, intake pressure testing, valve clearance adjustment, compression pressure measurement, hydraulic pressure checks (implement, swing, travel), pump PC and LS pressure adjustments, PPC valve adjustments, sensor calibration |
| Troubleshooting | 40 | Comprehensive failure diagnosis and repair | Failure code tables (E-mode), component-specific troubleshooting charts (engine starting issues, low power, hydraulic slowdown), electrical circuit testing, troubleshooting for engine control system, power train, and hydraulic systems |
| Disassembly and Assembly | 50 | Component removal and installation procedures | Step-by-step disassembly/reassembly procedures, tightening torques, special tool requirements, alignment procedures, seal and bearing replacement, quantity and weight of coating materials, oils, and greases |
| Maintenance Standard | 60 | Criteria for component wear and limits | Maintenance standard values for each component, criteria for disassembly and service, remedies for worn or damaged parts |
| Appendix | 80 | Additional technical information | Structure, function, testing, adjusting, and troubleshooting for equipment not classifiable in other sections |
| Diagrams and Drawings | 90 | Hydraulic and electrical schematics | Complete hydraulic circuit diagrams, electrical wiring diagrams, component location diagrams, harness routing, connector pin-outs |
