Hyundai R290LC-3 Excavator Service Manual 2004-2007
Hyundai Models Covered & Key Technical Specifications
Models: Hyundai R290LC-3, ROBEX 290-3, ROBEX 290LC-3, ROBEX 290NLC-3
Sub-models / Variants: 290-3, 290LC-3, 290NLC-3
Trade Names: ROBEX
Model Years: 2004–2007
Technical Data:
- Engine: CUMMINS 6CT8.3-C, 6-cylinder in-line, turbocharged, after-cooled diesel
- Rated gross horsepower: 198 Hp at 1900 rpm
- Maximum torque: 77.6 kgf·m (567 lb·ft) at 1500 rpm
- Bucket capacity: 1.1 m³ (1.44 yd³)
- Operating weight: 27000–29100 kg (59600–64200 lb)
- Travel speed: 3.0 / 4.6 km/hr (1.9 / 2.9 mph)
- Swing speed: 10.2–10.8 rpm
- Hydraulic pressure: Main relief 320 kg/cm² (4550 psi), Overload relief 350 kg/cm² (4980 psi)
Hyundai Manual Features & Content Preview
Hyundai R290LC-3 Excavator Service Manual Overview
Need accurate specs for a pump rebuild or tracking down an electrical fault? This 476-page original OEM publication (form number 2-1 through 2-62) delivers the exact factory data required for the 2004–2007 Hyundai R290LC-3, ROBEX 290-3, and ROBEX 290NLC-3 crawler excavators, including bucket, arm, and undercarriage variants.
- Instant download ensures you have the specs on your device immediately after ordering.
- Features a fully searchable layout to find part numbers or capacity tables in seconds.
- Print individual pages to take right to the shop floor without ruining a master copy.
System Documentation & Tear-Down Reference
This 2004–2007 edition remains the definitive factory reference for the R290LC-3 build series. It meticulously documents engine tuning, hydraulic circuit logic, and swing device assembly parameters. You will find over 80 system diagrams, including detailed hydraulic schemas, wiring diagrams, and cross-section component views.
Chapters break down the function and structure of key machine systems. The mechatronics section heavily details the CAPO system and EPPR valve operation, while maintenance pages define standard performance benchmarks for tracks and work equipment. The manual outlines disassembly and assembly reference points for the main control valve, travel motors, and cylinder assemblies. Always verify system pressure relief procedures in the safety section before breaking loose high-pressure hydraulic lines. Detailed troubleshooting charts correlate specific operational lags or faults directly with their mechanical or electrical roots.
Specification and Reference Data
Expect extensive unit conversion tables, SAE J1097 lifting capacities, and bucket selection guides categorized by material density. The technical sections lay out precise engine parameters for the CUMMINS 6CT8.3-C (8270 cc displacement), covering firing order, piston displacement, and fuel consumption metrics.
Critical hydraulic reference data is included for pumps and relief valves:
- Main pump rated oil flow: 2 x 260 L/min.
- Swing motor relief pressure: 240 kg/cm².
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