Part of the Hyundai Repair Manuals.
All 576 pages of this Hyundai R210NLC-7, 210NLC-7 shop manual PDF focus on one job: putting your crawler excavator back to work on factory specs. You get complete hydraulic schematics for the main and pilot circuits, wiring diagrams with connector pinouts and component locations, and a full troubleshooting section covering hydraulic, electrical, and mechatronics faults right down to the self-diagnostic codes. Step-by-step disassembly and assembly procedures walk you through the pump device, main control valve, swing device, travel motors, and turning joint, with tightening torques for every mounting bolt on the machine. Set the track roller mounting bolts to 54.7 ± 5.0 kgf·m (396 ± 36.2 lbf·ft) and check that the bypass relief valve opens at 1.5 kgf/cm2 (21 psi). No more chasing a swing fault with forum guesses. Bookmarked and keyword-searchable; open it on any device and jump straight to the spec you need.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 1-31 | Safety Hints, Specifications |
| Structure and Function | 32-129 | Pump Device, Main Control Valve, Swing Device, Travel Device, Rcv Lever, Rcv Pedal |
| Hydraulic System | 130-161 | Hydraulic Circuit, Main Circuit, Pilot Circuit, Single Operation, Combined Operation |
| Electrical System | 162-209 | Component Location, Electrical Circuit, Electrical Component Specification, Connectors |
| Mechatronics System | 210-247 | Outline, Mode Selection System, Automatic Deceleration System |
| Maintenance Standard | 304-340 | Operational Performance Test, Major Components, Track and Work Equipment |
| Disassembly and Assembly | 341-553 | Precaution, Tightening Torque, Pump Device, Main Control Valve, Swing Device, Travel Device, Rcv Lever, Turning Joint |
| Component Mounting Torque | 554-576 | Introduction Guide, Engine System, Electric System, Undercarriage, Structure, Work Equipment |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Bypass relief valve opening pressure | 1.5kgf/cm2 (21psi) | p. 133 |
| Relief valve setting pressure | 35kgf/cm2 | p. 133 |
| Track roller mounting bolt | 54.7 ± 5.0 kgf·m | p. 346 |
| Tightening torque for engine hood bolts | 12.8±3.0 kgf·m (92.6±21.7 lbf·ft) | p. 566 |
| Engine oil quantity | 24 L | p. 27 |
| Main pump capacity | 2 x 113 cc/rev | p. 27 |
| Main relief valve pressure | 330 kgf/cm2 | p. 28 |
| Swing speed | 12.5 rpm | p. 28 |
| Travel speed (Low/High) | 3.4/5.3 km/hr | p. 13 |
| 210NLC-7 | ||
| Operating weight, 210NLC-7 | 22000 kg | p. 13 |
| 210N7-2 | ||
| Operating weight, 210N7-2 | 21150 kg | p. 14 |




















