Every one of the 329 pages in this Daewoo Solar 220LC-III shop manual PDF works toward one goal: keeping your excavator digging instead of sitting dead-lined. You get full hydraulic schematics, wiring diagrams for the 24-volt electrical system, and EPOS-III self-diagnostic codes for tracing Power Mode faults. Inside: complete teardown and reassembly procedures for the main pump, swing motor, control valve, and travel motor final drives, plus maintenance intervals from daily 10-hour checks out to 2,000 hours. Set the main relief at 300 bar (4,270 psi), or 320 bar with the Pressure Up valve engaged, and flag any arm cylinder that drifts more than 5 mm. A boom that creeps overnight is telling you something; this manual translates. Bookmarked with a full text layer, so you can search any spec right from your phone and get back on the sticks.
What's Inside This Daewoo Solar 220LC-III Manual
| System | Pages | Key Topics |
|---|
| Safety | 1-16 | To the Operator of a Daewoo Excavator, Basic Excavator Operating Safety, Locations of Safety Labels, Summary of Safe “Lifting Mode” Precautions, Operation, Equipment, Maintenance |
| Specifications | 17-46 | Excavator Machinery Plan, Solar 220LC-III Excavator Engine Specifications, Engine Performance Curves, Hydraulic System Component Specifications |
| Upper Structure | 47-156 | Operator’s Cab Removal Procedure, Falling Object Protective Structures, Front Attachment Pin Specifications, Bucket Tooth Inspection and Replacement, Shimming Bucket Linkage |
| Lower Structure | 157-202 | Travel Motor and Reduction Gearbox, Track Frame Gearbox Assembly, Travel Motor Assembly, Travel Motor Assembly Parts List, Travel Motor Operation, Travel Motor Final Drive |
| Electrical System | 203-236 | Volt Operation, Engine Start-Up and Shutdown, Cylinder Preheat - Intake Air Electrical Heater, Alternator Circuit, Low Current Electrical Circuits, Climate Control Circuit |
| Engine | 237-250 | Engine Specifications, Wear Limits/Specification, Major Engine Components, Engine Oil Pump Overhaul and Rebuilding, Fuel Injection Pump Installation, Alignment and Timing |
| Inspection, Maintenance and Adjustment | 251-285 | Periodic Inspection and Maintenance, Maintenance Intervals, Table of Recommended Lubricants |
| Testing, Troubleshooting and Adjusting | 286-323 | Procedural Troubleshooting Baseline Recommendations, Pilot Pressure, Power Mode Valve, Boom/Swing Priority, Negacon, Negative Control, Pressure Up Valve, Pump Input Power Control |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Main relief pressure (normal operation) | 300 bar / 4,270 psi | p. 45 |
| Main relief pressure (high travel Pressure Up) | 320 bar / 4,550 psi | p. 45 |
| Slipper seal heating temperature | 150°C - 180°C (302°F - 356°F) | p. 65 |
| Nitrogen precharge (P1) pressure for Bosch accumulator | 15 kg/cm² (213 psi) | p. 69 |
| Clearance between cover and thrust plate | 0.5 mm | p. 238 |
| Main Pump Output | 110.5 cc/rev | p. 87 |
| Gear (Pilot) Pump Output | 10 cc/rev | p. 87 |
| Engine Oil Capacity | 19L | p. 24 |
| Coolant Capacity (Engine only) | 11L | p. 24 |
| Fuel Tank Capacity | 318L | p. 29 |
| Hydraulic Reservoir Capacity | 126L | p. 29 |
