| Safety | 7-44 | Track Excavator Safety, General Safety Essentials, Lifting in Digging Mode, Hazard Information, Maintenance Safety |
| Specifications | 47-68 | Solar 225LC-V Specs, General Dimensions, Working Range, Engine Performance, Performance Tests |
| General Maintenance | 71-84 | Maintenance Procedures, Standard Torques, Bearing Inspection, Welding Precautions |
| Cab | 99-106 | Cab Shell Removal and Installation, Wiper and Washer Connectors, Control Console Harnesses and Hydraulic Piping Through the Floor, Operator's Seat and Duct Covers, Main Harness Disconnection |
| Counterweight | 107-114 | Counterweight Removal and Installation, Counterweight Weight Table 3, 900-4, 500 Kg (8, 580-9, 920 Lb), Rated Slings and Shackles, Assist Crane Capacity, Front Attachment Safety Interlock |
| Fuel Tank | 115-126 | General Description, Removal, Installation, Start-Up Procedures |
| Fuel Transfer Pump | 127-132 | Theory of Operation, Troubleshooting, Rotor and Vane Replacement, Armature Replacement |
| Swing Bearing | 133-138 | Swing Bearing Maintenance, Operating Recommendation, Measuring Swing Bearing Axial Play, Measuring Bearing Lateral Play, Swing Bearing Basic Operation, Rebuilding Swing Bearing |
| Swing Reduction Gearbox | 139-162 | Two-Step Planetary Gearbox, Sun Gears No.1 and No.2, Carriers No.1 and No.2, Ring and Pinion Gears, Roller Bearings and Oil Seal, Swing Brake Engagement Check, Drain Valve and Oil Level |
| Track Assembly | 165-190 | Track Tension, Track Shoes and Links, Front Idler Roller, Lower Roller, Upper Roller |
| Air-Conditioner | 193-218 | Control Panel, Refrigerant Circulation, Troubleshooting, Refrigerant Charging, Leakage Check |
| Drive Coupling (Main Pump) | 219-232 | Drive Coupling Installation, Special Tools, Torque Specifications, Alignment |
| Hydraulic System Troubleshooting | 235-268 | Hydraulic Schematic, Pilot Pressure, Power Mode Valve, Swing Priority Valve, Pressure Up Valve |
| Cylinders | 287-326 | Theory of Operation, Disassembly, Assembly, Piston Jig, Slipper Seal Jig |
| Swing Motor | 327-356 | Theory of Operation, Swing Brake Operation, Disassembly, Reassembly, Wear Limits |
| Travel Motor (with Gearbox) | 357-410 | Theory of Operation, Brake Valve, Disassembly, Reassembly, Reduction Gear Cover |
| Main Pump (with Regulator) | 411-450 | Pump Regulator Description, Horsepower Control, Disassembly, Reassembly, Performance Characteristics |
| Main Control Valve (Kayaba) | 451-508 | Neutral Passage, Signal Passage, Antidrift Valve, Main Relief Valve, Overload Relief Valve |
| Pilot Control Valve (Work Lever / Joystick) | 509-528 | Four Push Rods, Spools and Return Springs, Pressure Reduction Valve Operation, Six-Port Housing (Input P, Tank T, Four Secondary Ports), Balancing Spring and Secondary Discharge Pressure, Horn Switch in the Handle |
| Travel Control Valve (with Damper) | 529-552 | Pressure Reducing Valve, Damper Mechanism, Disassembly, Reassembly, Installation |
| Electrical System | 563-638 | Electric Supply System, Engine Starting Circuit, Monitoring System, e-EPOS Controller, Lighting System |
| Boom and Arm | 649-656 | Front Attachment Pin Specs, Arm Removal, Boom Removal, Installation Procedures |
| Bucket | 657-666 | Bucket Tooth Inspection and Replacement, Type 1, Type 2, Bucket O-Ring Replacement, Bucket Shimming Procedures, New Bucket Installation |
