Hunting for a Daewoo Solar 290LL shop manual PDF that isn't a blurry scan? This 454-page factory shop manual (OEM #2023-7132E) covers the Solar 290LL track excavator from swing bearing to track assembly. You get the full S290LL hydraulic schematic, complete electrical wiring diagrams, and a dedicated hydraulic troubleshooting, testing and adjustment section that walks you through every pressure check. Rebuild procedures run through the swing motor, center joint, main pump with regulator, remote control valve, and the Kawasaki DNB travel motor, backed by standard torque tables and maintenance procedures. Set main relief at 330 kg/cm2 (4,689 psi), 350 with Pressure Up engaged, and swap track shoes when grouser height wears from 18.0 mm to 14.0 mm. No more chasing hydraulic faults with a gauge and a guess. Bookmarked and keyword-searchable; pull it up on your phone next to the machine.
What's Inside This Daewoo Solar 290LL Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 7-30 | Track Excavator Safety |
| Specifications | 31-48 | General Description, General Dimensions, Dimensions and Working Range, General Specifications, Engine Performance Curve, Performance Tests |
| General Maintenance | 49-76 | Welding Precautions and Guidelines, Hydraulic System - General Precautions, Maintenance Service and Repair Procedure, General Precautions, Hydraulic System Cleanliness and Oil Leaks, Maintenance Precautions for Hydraulic System Service |
| Upper Structure | 77-128 | Cab, Counterweight, Fuel Tank, Swing Bearing, Swing Reduction Gearbox |
| Lower Structure and Chassis | 129-150 | Track Assembly |
| Engine and Drive Train | 151-176 | Air-Conditioner |
| Hydraulic System Troubleshooting, Testing and Adjustment | 179-206 | Hydraulic System - General Notes, Hydraulic Schematic, Operation of Working Components, Boom Operating Circuit, Boom Up Circuit, Boom Down Circuit |
| Accumulator | 207-220 | General Description, Accumulator Charging, Charging the Accumulator with Nitrogen |
| Swing Motor | 221-246 | General Description, Theory of Operation, Swing Motor Anti-Cavitation Make-Up Valve, Relief Valve, Swing Brake Operation, Special Tools |
| Travel Motor (with Gearbox) (Kawasaki DNB Series) | 247-298 | |
| Main Pump (with Regulator) | 299-332 | General Description, Gear (Pilot) Pump, Relief Valve, Pump Regulator Description, Horsepower Control, Power Shift Control |
| Remote Control Valve (Work Lever / Joystick) | 333-350 | |
| Travel Control Valve (RCV8C4015A) | 351-378 | General Description, Theory of Operation, Torque Table, Special Tools and Materials, Special Tools, Troubleshooting, Testing and Adjustment |
| Hydraulic Schematic (S290LL) | 379-384 | General Description, Solar 290LL |
| Electrical System | 385-452 | Troubleshooting - Electrical System, Wiring Harness Illustrations, Overview, Electric Supply System, Engine Starting Circuit, Operation During Start Process |
| Attachments | 453-454 |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Maximum torque | 80 kg•m @ 1,300 rpm (578.64 ft lbs @ 1,300 rpm) | p. 41 |
| Main Relief Pressure (normal operation) | 330 kg/cm3 (4,689 psi) | p. 44 |
| Main Relief Pressure (with “Pressure Up”) | 350 kg/cm3 (4,970 psi) | p. 44 |
| Standard 700.0 mm (27.56 in.) shoe, Reference B, Normal (New) Dimension | 18.0 mm (0.71 in.) | p. 135 |
| Standard 700.0 mm (27.56 in.) shoe, Reference B, Recommended Limit for Maintenance | 14.0 mm (0.55 in.) | p. 135 |
| Air filter replacement interval | 1000 hours | p. 153 |
| Air filter cleaning interval | 500 hours | p. 153 |
| Hydraulic reservoir return line filter rating | 10 micron | p. 181 |
| Pilot circuit filter rating | 10 micron | p. 181 |
| Reservoir intake strainer rating | 177 micron | p. 181 |
| Engine output rated speed | 2,050 RPM (± 50 RPM) | p. 195 |
| Swing motor inlet and outlet pressure (with swing locks engaged) | 280 to 290 bar (4,060 to 4,205 psi) | p. 199 |
