Part of the Hyundai Repair Manuals.
All 626 pages of this Hyundai R200W-3 Service Manual PDF cover one machine: the R200W-3 wheeled hydraulic excavator, from pump device to final drive. You get full hydraulic schematics with main and pilot circuit routing, electrical wiring diagrams with component locations, and a troubleshooting section that walks the hydraulic and mechanical systems fault by fault. Inside: step-by-step disassembly and assembly procedures for the main pump, control valve, swing device, steering valve, every cylinder, and both axles, plus tightening torque tables for metric bolts, pipes, and hoses. Set the main relief valve at 320 kgf/cm2 normal, 350 on power boost, and check solenoid resistance at 15-25 Ohm before you blame the harness. No more chasing wiring faults with a multimeter and a prayer. Bookmarked and text-searchable; jump straight to the spec and get back under the machine.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 1-26 | Safety, Specification |
| Structure and Function | 27-114 | Pump Device, Main Control Valve, Swing Device, Travel Motor |
| Hydraulic System | 115-147 | Hydraulic Circuit, Main Circuit, Pilot Circuit |
| Electrical System | 148-197 | Component Location, Electrical Circuit |
| Mechatronics System | 198-239 | Outline, Mode Selection System |
| Troubleshooting | 240-295 | Before Troubleshooting, Hydraulic and Mechanical System |
| Maintenance Standard | 296-321 | Operational Performance Test, Track and Work Equipment |
| General Precautions and Tightening Torques | 322-342 | Removal Work, Installation Work, Tightening Torque, Metric Bolt Torque, Pipe and Hose Torque |
| Main Pump Disassembly and Assembly | 343-350 | Regulator Disassembly, Main Pump Disassembly, Main Pump Assembly, Tools, Tightening Torque |
| Main Control Valve Disassembly and Assembly | 351-368 | Main Relief Valve, Port Relief Valve, Arm Spool, Boom Spool, Travel Spool |
| Swing Device Disassembly and Assembly | 369-386 | Swing Motor Removal, Swing Motor Disassembly, Swing Motor Assembly, Reduction Gear Removal, Reduction Gear Disassembly |
| Steering Valve Disassembly and Assembly | 387-418 | Steering Valve Structure, Steering Valve Disassembly, Steering Valve Assembly, Tools, Tightening Torque |
| Cylinder Disassembly and Assembly | 419-518 | Rcv Lever, Bucket Cylinder, Arm Cylinder, Boom Cylinder, Dozer Cylinder, Outrigger Cylinder |
| Axle and Final Drive Disassembly and Assembly | 519-618 | Front Axle Removal, Rear Axle Removal, Differential Disassembly, Final Drive Disassembly, Brake Lining Wearing Test |
| Foreword and Conversion Tables | 619-626 | Service Manual Structure, Conversion Tables, Temperature Conversion |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Main relief valve setting pressure (normal) | 320 kgf/cm2 | p. 122 |
| Main relief valve setting pressure (power boost) | 350 kgf/cm2 | p. 122 |
| Solenoid valve resistance | 15-25 Ohm | p. 172 |
| EPPR valve resistance | 15-25 Ohm | p. 172 |
| Port relief valve (602) plug (102) torque | 7.0 ~ 8.0 kgf·m (50.6 ~ 57.8 lbf·ft) | p. 358 |
| Socket head bolt (Bucket cylinder, M18) | 32 ± 3.0 kgf·m (231.5 ± 21.7 lbf·ft) | p. 607 |
| Socket head bolt (Boom cylinder, M20) | 46 ± 5.0 kgf·m (332.7 ± 36.2 lbf·ft) | p. 607 |
| Engine Oil Quantity | 24 L | p. 22 |
| Main Pump Rated Pressure | 320 kg/cm2 | p. 22 |
| Swing Motor Relief Pressure | 240 kg/cm2 | p. 23 |
| Travel Motor Relief Pressure | 350 kg/cm2 | p. 23 |
| Swing Parking Brake Releasing Pressure | 40 kgf/cm2 | p. 310 |




















