Part of the Hyundai Repair Manuals.
Need the factory answers for your Hyundai HL740-3? This 458-page Hyundai HL740-3 service manual PDF covers the whole wheel loader, from the B5.9-C engine through the full power hydraulic brake system. Inside: complete electrical circuits for the starting, charging, illumination, and engine stop systems, plus hydraulic schematics tracing the torque converter, transmission, priority valve, and remote control valve. A dedicated troubleshooting section is included, and page after page of assembly procedures for the steering unit, brake accumulator, and main pump. Set the shock valves between 270 and 290 bar, and pull the M20 engine mounting bolts to 57.9 ± 8.7 kg·m (419 lb·ft). No more chasing wiring faults with a test light and a hunch. Bookmarked chapters and a real text layer mean you search a spec, find it, and get back on the loader.
Other edition of this manual
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 9-32 | Safety Hints, Specification, Major Component |
| Engine | 33-39 | Structure, Cooling System, Fuel System, Lubricating System, Intake and Exhaust System |
| Power Train System | 40-171 | Power Train Component Overview, Hydraulic Circuit, Torque Converter, Transmission, Egs Lever |
| Brake System | 172-225 | Outline, Full Power Hydraulic Brake System, Hydraulic Circuit, Brake Pump, Brake Valve, Brake Accumulator |
| Steering System | 226-291 | Outline, Hydraulic Circuit, Priority Valve, Steering Unit, Overload Valve, Steering Cylinder |
| Work Equipment | 292-382 | Hydraulic System Outline, Hydraulic Circuit, Rcv Lever Operations, Main Pump Operation, Remote Control Valve |
| Electrical System | 383-458 | Component Location, Electrical Circuit, Illumination Circuit, Head Light Circuit, Work Light Switch, Starting Circuit, Engine Stop Circuit, Charging Circuit |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine mounting bolt, nut torque | 57.9 ± 8.7 kg·m | p. 26 |
| Radiator mounting bolt, nut torque | 12.3 ± 2.5 kg·m | p. 26 |
| Shock valves | 270-290 bar | p. 237 |
| Hexagon socket screws torque | 6.6 ± 0.5 kgf·m (47.7 ± 3.6 lb·ft) | p. 281 |
| Gland torque | 70 ± 7 kgf·m (506 ± 51 lb·ft) | p. 284 |
| Nylon nut torque | 75 ± 8 kgf·m (542 ± 58 lb·ft) | p. 284 |
| Hydraulic oil filter replacement interval | 250 operating hours | p. 360 |
| Hydraulic oil filter first replacement interval | 50 hours | p. 360 |
| Body bore cut-in limit | 0.15mm | p. 364 |
| Assembly torque wrench range | 0~20kgf·m | p. 362 |
| Working temperature of contact point A/C ON | 4.5°C | p. 421 |
| Working temperature of contact point A/C OFF | 1.5°C | p. 421 |
