| Safety Precautions | 5-12 | General Safety Information |
| Outline | 13-22 | General Precautions for Repairs, International Unit Conversion System (Based on Marks’ Standard Handbook for Mechanical Engineers), Table 1-1, Table 1-2, Table 1-3, Table 1-4 |
| Specifications | 23-38 | Components Name, Machine Dimensions, Specifications and Performance, Machine & Components Weight (Dry), Transportation, Type of Crawler Shoes, Type of Bucket, Engine Specifications |
| Attachment Dimensions | 39-66 | Boom, Fig. 3-1 Boom Dimensional Drawings, Table 3-1, Fig. 3-2 Clearance of Pin and Bushing on Boom Section, Table 3-2, Table 3-3 |
| Tools | 67-76 | Torque Specifications for Capscrews & Nuts, Screw and Tool Sizes, Torque Specifications for Joints and Hoses, Torque Specifications for Sleeve Type Tube Fittings |
| Standard Maintenance Time Table | 77-88 | Preface, Standard Working Time Table for the Maintenance of Excavator |
| Maintenance Standards and Test Procedures | 89-110 | How to Use Maintenance Standards and Precautions, Performance Inspection Standard Table, Measuring Engine Speed, Fig. 13-1 Engine Speed Measurement (the Above Figure Shows Concept) |
| Hydraulic System | 111-124 | Summary, Hydraulic Circuits and Component Models, Hydraulic Circuit Operation |
| Electrical System | 125-150 | How to Read Circuit Diagram and Harness Connection, Electrical Equipment & Harness, Fig. 23-1 Upper Frame Portion, Fig. 23-2 Upper Frame Portion |
| Components System | 151-152 | Hydraulic Pump, Pilot Valve, Control Valve, Slewing Motor, Travel Motor, Cylinder |
| Hydraulic Components | 153-228 | Hydraulic Pump, Operation, Swash Plate (Hanger), Rotary Group, Control Spring, Cover, Gear Pump |
| Electrical Equipment List & Specifications | 229-252 | Electrical Equipment List, Harness & Cable List, Arrangement Drawings, Battery Terminal Torque, Fuel Sensor Connection, Switch Specifications |
| General Disassembly and Assembly | 253-258 | Attachment Disassembly, Upper Slewing Structure Disassembly, Travel System Disassembly, Tightening Torque Specifications |
| Attachments Disassembly and Assembly | 259-292 | Bucket removal/installation, Arm removal/installation, Boom removal/installation, Dozer removal/installation, Cylinder disassembly/assembly, Maintenance Standards |
| Upper Slewing Structure Disassembly and Assembly | 293-418 | Canopy/Cab Removal, Counterweight Installation, Pump removal/installation, Control Valve removal/installation, Pilot Valve Disassembly, Slewing Motor Assembly |
| Travel System Disassembly and Assembly | 419-486 | Crawler removal/installation, Slide Plate removal/installation, Lower Roller Assembly, Front Idler Disassembly, Sprocket Installation, Travel Motor Assembly |
| Troubleshooting (Hydraulic System) | 487-500 | General Precautions, Confirm Troubled Conditions, Trouble Diagnosis, Attachment Operational Failure, Travel Operation Troubleshooting, Pump Malfunction |
| Troubleshooting (Electrical System) | 501-512 | Engine Starting Trouble, Horn Not Sounding, Working Light Issues, Hourmeter Malfunction, Fuel Gauge Issues, Deceleration Problems |
| Troubleshooting (Engine) | 513-550 | Engine Trouble Diagnosis, Starting Trouble, Low Power, Overheating, Abnormal Noise, Exhaust Smoke, Oil Pressure Faults |
| Engine - Full Repair Section (Bundled Engine Manual) | 551-764 | Engine Specifications and Capacities, Cylinder Head and Valves, Piston, Pin and Connecting Rod Reassembly, Crankshaft and Bearings, Lubrication and Cooling Systems, Fuel Injection Pump and Nozzles, Electrical Equipment (Starter, Alternator, Glow Plugs), Wear Limits and Torque Values, Engine Troubleshooting |
