Need factory answers for your Daewoo Solar 220LC-V track excavator? This 600-page Daewoo Solar 220LC-V shop manual PDF (OEM #2023-7115AE) walks you through the main pump and regulator, main control valve, swing and travel motors, and complete track assembly service. You get full electrical schematics for chasing wiring faults, the complete S220LC-V hydraulic schematic, and a dedicated hydraulic troubleshooting, testing, and adjustment section with step-by-step disassembly and reassembly for every cylinder, motor, and valve. Set the swing relief valve between 280 and 290 bar, and know your fuel tank holds 310 liters before you plan a fluid service. Guessing at pilot pressure problems gets expensive fast. Bookmarked and keyword-searchable; jump straight to the spec, pull it up on any device in the cab, and get wrenching.
What's Inside This Daewoo Solar 220LC-V Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 7-30 | Track Excavator Safety S0102000 |
| Specifications | 31-52 | Specifications for Solar 220LC-V S0205000 |
| General Maintenance | 53-80 | General Maintenance Procedures S0302000, Standard Torques S0309000 |
| Upper Structure | 81-148 | Cab S0402000, Counterweight S0403000, Fuel Tank S0405000, Fuel Transfer Pump S0405500, Swing Bearing S0407000, Swing Reduction Gearbox S0408010 |
| Lower Structure and Chassis | 149-176 | Track Assembly S0505030 |
| Engine and Drive Train | 177-216 | Air-Conditioner S0605010, Drive Coupling (Main Pump) S0609000 |
| Hydraulic System Troubleshooting, Testing and Adjustment | 217-246 | Hydraulic System General Notes, Operation of Working Components, Pilot Pressure, Power Mode Valve, Pressure Up Valve, Troubleshooting |
| Accumulator | 247-252 | Accumulator General Description, Accumulator Charging, Charging with Nitrogen |
| Center Joint (Swivel) | 253-262 | Center Joint General Description, Inspection, Testing, Disassembly, Reassembly |
| Cylinders | 263-282 | Cylinder General Description, Theory of Operation, Disassembly, Reassembly |
| Swing Motor | 283-308 | Swing Motor General Description, Swing Motor Anti-Cavitation Make-Up Valve, Swing Brake Operation, Disassembly, Reassembly |
| Travel Motor (with Gearbox) (GM35VL) | 309-362 | Travel Motor Theory of Operation, Brake Valve, High and Low Speed Switching, Reduction Gearbox Operation, Disassembly, Reassembly |
| Main Pump (with Regulator) | 363-396 | Main Pump General Description, Pump Regulator Operation, Horsepower Control, Power Shift Control, Disassembly, Reassembly |
| Main Control Valve | 397-516 | Control Valve Operation, Swing Priority Circuit, Arm Priority Circuit, Main Relief Valve, Overload Relief Valve, Boom Regeneration |
| Electrical System | 517-576 | Electrical System S0802030, Electrical Schematic (S220LC-V) S0892010 |
| Attachments | 577-600 | Boom and Arm S0902010, Bucket S0904000 |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Fuel Tank Capacity (S130LC-V) | 230 liters (61 U.S. gal) | p. 105 |
| Fuel Tank Capacity (S220LC-V) | 310 liters (82 U.S. gal) | p. 105 |
| Air filter cleaning interval | 500 hours | p. 181 |
| Swing relief valve pressure | 280 to 290 bar (4,060 psi to 4,205 psi) | p. 239 |
| Swing relief valve pressure (during acceleration and deceleration) | 250 bar (3,625 psi) | p. 239 |
| Clearance between cover and thrust plate | 0.5 mm | p. 261 |
| Clearance between stem and thrust plate | 0.5 mm | p. 261 |
| Rated Motor Shaft Torque | 54.2 kg•m (392 ft lbs) | p. 291 |
| Clearance between cylinder bore and piston (D-d) Standard Value | 0.028 mm (0.0011 in.) | p. 301 |
| Clearance between cylinder bore and piston (D-d) Replacement Limit | 0.058 mm (0.0023 in.) | p. 301 |
| braking torque | 49.3 kg•m (357 ft lbs) | p. 315 |
| Main Relief Pressure (Normal) | 330 kg/sq cm | p. 46 |
Daewoo Solar 220LC-V Common Problems This Manual Covers
Daewoo Solar 220LC-V hydraulic system running hot, bucket and arm cylinders slow or erratic under load
Check the hydraulic reservoir first; it holds 160 liters and a low level aerates the oil fast under repetitive digging. Replace the return and pilot filters, then test main relief pressure against the 330 kg/sq cm spec on page 46. Work through the troubleshooting steps starting on page 217 before condemning the pump.
Manual Section: Hydraulic System Troubleshooting, Testing and Adjustment p. 217Swing motor turns weakly or upper structure won't rotate at all with engine at full throttle
Test swing relief pressure at the motor ports; the spec on page 239 is 280 to 290 bar (4,060 to 4,205 psi). If pressure checks good, verify the swing brake is releasing at the SH port, which needs 4 bar (58 psi). Inspect the shuttle valve before pulling the gearbox apart.
Manual Section: Hydraulic System Troubleshooting, Testing and Adjustment p. 239Main hydraulic pump whining and vibrating, metal flakes showing up in the case drain oil
Drain a case oil sample and cut open the filter before running the machine again. Tear down the pump and measure piston ball to shoe socket clearance against the 0.30 mm replacement limit on page 389. Check cylinder spring free length too; replace any spring shorter than 40.30 mm (1.59 in.).
Manual Section: Main Pump (with Regulator) p. 389Hydraulic oil leaking from center joint area under the cab, drips worse after swinging
Inspect the center joint seals and O-rings; dirt working past worn seals wears the stem fast. Disassemble following the procedure starting on page 253, then measure stem-to-body clearance and replace parts beyond the 0.1 mm limit listed on page 261. Fit new O-rings on reassembly; never reuse the old ones.
Manual Section: Center Joint (Swivel) p. 253Coolant temperature gauge climbing into the red during heavy digging in hot weather
Clean the radiator and oil cooler cores with compressed air daily in dusty conditions; plugged cooling packs cause most overheating on these machines. Check fan belt tension and coolant level, then service the air filter, which the interval on page 181 calls for cleaning every 500 hours. Verify the thermostat opens fully.
Manual Section: Engine and Drive Train p. 181Frequently Asked Questions
How do I reset the Daewoo Solar 220LC-V error code?
To reset a malfunction code on the EPOS-V controller, you must first correct the underlying problem. Once the issue is resolved, turn the starter switch from the 'OFF' position to the 'ON' position to reset the system. p. 567
What is the fuel tank capacity for the Solar 220LC-V?
The fuel tank capacity for the Solar 220LC-V is 310 liters (81.9 gallons). p. 40
What is the recommended interval for cleaning the air filtration system filter?
The air filtration system filter should be cleaned out at approximately every 500 hours of operation. If the unit is operated in a dusty environment, cleaning and replacement should be performed more frequently. p. 181
What is the tightening torque for the main control valve mounting bolts?
The tightening torque for the main control valve mounting bolts is 15 kg•m (109 ft lbs). p. 434
Is this Daewoo Solar 220LC-V manual a download or a disc?
Instant PDF download. You get the full 600-page searchable Shop Manual immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Is printing allowed for this Daewoo Solar 220LC-V Shop Manual?
Yes. No DRM, nothing blocks printing, so run off the pages you need on whatever printer you have.
Are there hydraulic schematics in this Daewoo Solar 220LC-V manual?
Yes, this Daewoo Solar 220LC-V Shop Manual includes hydraulic system diagrams, circuit schematics, and component specifications. Page 223 carries one of them.
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