Part of the Hyundai Repair Manuals.
Need factory answers for your Hyundai HL740TM-3? This 450-page service manual PDF covers the Cummins B5.9-C powered wheel loader front to back, from power train and brakes to steering and work equipment. You get full electrical circuit diagrams with connector and component locations, hydraulic schematics with complete fluid routing, and page after page of step-by-step disassembly and assembly procedures for every major system. A dedicated troubleshooting section walks you through operational checks before you start pulling parts, so you diagnose first and wrench second. Torque the engine mounting bolts to 57.9 ± 8.7 kgf·m and set the main relief pressure at 220 kgf/cm², straight from the factory spec tables. No more chasing wiring faults with a multimeter and a prayer. Bookmarked with a full text layer; jump to any section or search any spec by keyword and get back to work.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Conversion Table | 3-8 | Millimeters to Inches, Kilogram to Pound, Liter to Gallon, kg·m to lb·ft, Kg/Cm² to Lb/in², Fahrenheit-Centigrade Conversion |
| General | 9-17 | Safety Hints |
| Specification | 18-31 | Major Components, Engine, Main Pump, Brake Pump, Main Control Valve, Dynamic Power Transmission Devices |
| Engine | 32-38 | Structure and Function |
| Power Train System | 39-174 | Structure and Function, Operational Checks and Troubleshooting, Disassembly and Assembly |
| Brake System | 175-213 | Structure and Function, Operational Checks and Troubleshooting, Disassembly and Assembly |
| Steering System | 214-279 | Structure and Function, Operational Checks and Troubleshooting, Disassembly and Assembly |
| Work Equipment | 280-372 | Structure and Function, Operational Checks and Troubleshooting, Disassembly and Assembly |
| Electrical System | 373-450 | Component Location, Electrical Circuit, Connectors, Troubleshooting |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine mounting bolt, nut | 57.9 ± 8.7 kgf·m | p. 25 |
| Radiator mounting bolt, nut | 12.3 ± 2.5 kgf·m | p. 25 |
| Main pump maximum operating pressure | 220 kgf/cm² | p. 22 |
| Brake pump maximum operating pressure | 150 kgf/cm² | p. 23 |
| Main control valve main relief valve pressure | 220 kgf/cm² | p. 23 |
| Main control valve overload relief valve pressure | 240 kgf/cm² | p. 23 |
| Remote control valve minimum operating pressure | 3.7 kgf/cm² | p. 23 |
| Remote control valve maximum operating pressure | 30 kgf/cm² | p. 23 |
| Speed 5km/hr | 5km/hr | p. 60 |
| Relief pressure | 20.5~21.5 MPa (205~215 bar, 3200~3300 psi) | p. 240 |
| Overload valve hexagon socket screws torque | 6.6+0.5 kgf m (47.7+3.6 lb ft) | p. 269 |
| Bypass valve set pressure | 1.36kg/cm2 (19.3psi) | p. 319 |
