Part of the Hyundai Repair Manuals.
Every one of the 458 pages in this Hyundai R160LC-3 service manual PDF exists for one reason: putting your crawler excavator back to work. You get full hydraulic schematics tracing the main and pilot circuits, electrical wiring circuits with component locations, and a mechatronics section that explains mode selection, automatic deceleration, and power boost so you can diagnose the smart systems, not just the iron. Behind that sits a full troubleshooting section plus step-by-step disassembly and assembly for the pump device, main control valve, swing and travel motors, and the boom, arm, and bucket cylinders. Swing motor mounting bolts call for 57.9 ± 8.7 kgf·m; travel motor bolts take 23 ± 2.5 kgf·m. Quit chasing pilot pressure problems on a hunch. Bookmarked with a real text layer, this PDF lets you search any spec and read it right off your phone in the cab.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 9-28 | Safety, Specifications |
| Structure and Function | 29-107 | Pump Device, Main Control Valve, Swing Device, Travel Device, Rcv Lever, Rcv Pedal |
| Hydraulic System | 108-137 | Hydraulic Circuit, Main Circuit, Pilot Circuit |
| Electrical System | 138-182 | Component Location, Electrical Circuit |
| Mechatronics System | 183-218 | Outline, Mode Selection System, Automatic Deceleration System, Power Boost System, Travel Speed Control System |
| Maintenance Standard | 276-312 | Operational Performance Test, Major Component |
| Disassembly and Assembly | 313-458 | Precautions, Pump Device, Main Control Valve, Swing Device, Travel Device, Boom Arm and Bucket Cylinder |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Bypass relief valve opening pressure | 3.0kg/cm2 (43psi) | p. 110 |
| Play between piston(1) & shoe caulking section(3) | 0-0.1 mm | p. 297 |
| Thickness of shoe (t) | 3.9 mm | p. 25 |
| Swing motor mounting bolt | 57.9 ± 8.7 kgf·m | p. 317 |
| Travel motor mounting bolt | 23 ± 2.5 kgf·m | p. 317 |
| Swing bearing upper mounting bolt | 57.8 ± 6.4 kgf·m | p. 317 |
| Swing bearing lower mounting bolt | 57.8 ± 6.4 kgf·m | p. 317 |
| Operating weight | 16600 kg | p. 18 |
| Engine oil quantity | 11 L | p. 25 |
| Main pump maximum pressure | 320 kgf/cm2 | p. 25 |
| Swing motor relief pressure | 260 kgf/cm2 | p. 26 |
| Travel motor relief pressure | 350 kgf/cm2 | p. 26 |
