Part of the Hyundai Repair Manuals.
Need the factory answers for your Hyundai R360LC-7A? This 563-page Hyundai R360LC-7A service manual PDF covers the hydraulic excavator from pump device to turning joint, straight from the factory. You get full hydraulic circuit schematics with pilot and main circuit routing, electrical wiring diagrams with connector pinouts and component locations, and a troubleshooting section that walks hydraulic, electrical, and mechatronics faults step by step. Disassembly and assembly procedures cover the pump, main control valve, swing device, travel motors, RCV lever, and every cylinder on the boom, arm, and bucket. Set the pilot relief valve at 35 kgf/cm², and change the hydraulic filter once drain pressure passes 1.5 kgf/cm². No more chasing wiring faults with a multimeter and a prayer. Bookmarked and keyword-searchable; jump straight to the spec, then get back to work.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 3-32 | Safety Hints, Specifications |
| Structure and Function | 33-145 | Pump Device, Main Control Valve, Swing Device, Travel Device, Rcv Lever, Rcv Pedal |
| Hydraulic System | 146-177 | Hydraulic Circuit, Main Circuit, Pilot Circuit |
| Electrical System | 178-226 | Component Location, Electrical Circuit, Electrical Component Specification |
| Mechatronics System | 227-282 | Outline, Mode Selection System, Monitoring System |
| Maintenance Standard | 333-371 | Operational Performance Test, Major Components, Track and Work Equipment |
| Disassembly and Assembly | 372-548 | Precaution, Tightening Torque, Pump Device, Main Control Valve, Swing Device, Travel Device, Rcv Lever, Turning Joint |
| Component Mounting Torque | 549-563 | Introduction Guide, Engine System, Electric System, Undercarriage, Structure, Work Equipment |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Pilot relief valve setting pressure | 35kgf/cm2 | p. 151 |
| Bypass relief valve opening pressure | 1.5kgf/cm2 | p. 149 |
| Drain oil pressure limit | 1.5kgf/cm2 | p. 150 |
| Pressure switch (Travel, working) contact | 0.1 Ω | p. 199 |
| Air cleaner pressure switch contact (Low level) | 0 Ω | p. 202 |
| Play between piston(1) & shoe caulking section(3) | 0-0.1mm | p. 354 |
| Main pump mounting socket bolt torque | 42 ± 4.5 kgf·m | p. 555 |
| Main pump housing mounting bolt torque | 2.81 ± 0.3 kgf·m | p. 555 |
| Hexagon socket head bolt (M8) torque | 3.0 kgf·m | p. 377 |
| Hexagon socket head bolt (M10) torque | 5.8 kgf·m | p. 556 |
| Tightening torque for socket bolts | 25 kgf·m (181 lbf·ft) | p. 408 |
| Tightening torque for relief sleeve | 10 kgf·m (72.3 lbf·ft) | p. 410 |
