Part of the Hyundai Repair Manuals.
Wrenching on a Hyundai R180LC-3? This 521-page Hyundai R180LC-3 service manual PDF covers the crawler excavator front to back: pump device, main control valve, swing and travel drives, boom, arm, and bucket cylinders. Inside you get hydraulic schematics tracing the main and pilot circuits, electrical wiring diagrams with component locations, and a fat troubleshooting section that even walks the Hyper Dat mechatronics diagnostics. Exploded views and step-by-step disassembly procedures take you from turning joint to travel motor without guesswork. Set the bypass relief valve to open at 1.5 kg/cm2, and confirm the check valve holds 3.0 kg/cm2 before you button up the return line. Your excavator is dead in the yard; forum threads won't fix it. Bookmarked by system and searchable by keyword, so jump straight to the spec, then get back on the sticks.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 9-32 | Safety, Specification |
| Structure and Function | 33-94 | Pump Device, Main Control Valve, Swing Device, Travel Device, Rcv Lever, Rcv Pedal |
| Hydraulic System | 95-123 | Hydraulic Circuit, Main Circuit, Pilot Circuit, Combined Operation |
| Electrical System | 124-174 | Component Location, Electrical Circuit |
| Mechatronics System | 175-206 | Outline, Mode Selection System |
| Troubleshooting | 207-333 | Before Troubleshooting, Hydraulic and Mechanical System, Mechatronics System by Hyper Dat |
| Maintenance Standard | 334-370 | Operational Performance Test, Track and Work Equipment |
| Disassembly and Assembly | 371-521 | Precautions, Pump Device, Main Control Valve, Swing Device, Travel Device, Turning Joint, Boom, Arm and Bucket Cylinder |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Battery | 2 x 12V x 160Ah | p. 29 |
| Starting motor | Delco Remy 37MT(24V) | p. 29 |
| bypass relief valve opening pressure | 1.5kg/cm2 | p. 97 |
| bypass check valve(1) setting pressure | 3.0kg/cm2 | p. 97 |
| bypass check valve(2) setting pressure | 1.5kg/cm2 | p. 97 |
| Battery capacity | 12V x 160Ah | p. 153 |
| EPPR valve pressure gauge capacity | 0 to 40-50 kg/cm2 (0 to 570-710 psi) | p. 203 |
| EPPR valve pressure specification | 6-12 kg/cm2 (85-170 psi) | p. 203 |
| Engine mounting bolt, nut torque | 10.0 ± 0.5 kgf·m | p. 375 |
| Radiator mounting bolt, nut torque | 9.3 ± 1.9 kgf·m | p. 375 |
| Operating weight | 17800 kg | p. 18 |
| Travel speed (low/high) | 3.2/5.2 km/hr | p. 18 |
