Part of the New Holland Repair Manuals.
Looking for a reliable W90 service manual PDF? All 272 pages of this New Holland Construction LW90 Wheel Loader Service Manual (OEM #75131004) focus on one thing: getting your New Holland LW90 back to factory condition. Inside, you get complete hydraulic schematics detailing oil circuits and priority valves, plus full wiring diagrams covering the logic board and cab instrument cluster. Open up the troubleshooting sections to diagnose transmission faults, then use the extensive test values and assembly clearance charts to rebuild the bucket boom and frame pivot pins. Dial in your hydraulic pressures by setting the accumulator safety valve to 120 bar and the main pressure relief valve at 210 ± 5 bar. Dead equipment drains the budget. Download this bookmarked file, jump straight to the exact spec on your phone or tablet, and get the loader back to work.
What's Inside This New Holland LW90, New Holland Construction LW90, W90 Manual
| System | Pages | Key Topics |
|---|---|---|
| Summary | 4-17 | Specifications, Capabilities and Fluid Types, Safety Rules, Units of Measure Used in the Manual, Tightening Torques |
| Engine | 18-45 | General Description, General Characteristics, Specifications and Assembly Clearances, Fuel Injection Pump Specifications, External Views, Engine Supports |
| Transmission - Torque Converter | 46-90 | Torque Converter, Charging Pump, Converter Housing, Oil Circuit |
| Transmission - Gearbox & Gears | 91-130 | Gearbox, Gear Shafts, Clutches, Shift Control, Powershift |
| Transmission - Driveline & Axles | 131-159 | Drive Shafts, Differential, Final Drive, Axles, Wheel Hubs |
| Braking System | 160-183 | General Description, Operation, Disc Brake, Brake Pedal Valve, Parking Brake Control Valve, Parking Brake, Other Components, Brake Pedal Valve Hydraulic Connections |
| Steering System | 184-201 | General Description, Principles of Operation of Main Priority Valve, Steering Valve (Orbitrol) |
| Bucket Booms and Frame | 202-209 | Load Handling System, Boom, Bellcrank and Bucket, Frame Pivot Pins |
| Attachment Hydraulic System | 210-243 | General Description, Oil Circuit, Hydraulic System Pump, Attachment Control Valve, Control Valve Controls, Hydraulic Oil Reservoir, Cylinders, L.T.S. Anti-Pitch System |
| Electrical System | 244-261 | Safety Rules, General Lay-Out of Electrical System, Logic Board, Connectors, Cab Instrument Cluster, Switch Panel, Gearshift Control, Components on Machine |
| Cab | 262-272 | General Description, Windscreen Wipers and Washers, Heater, Glasses, Repair |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Accumulator safety valve setting | 120 bar | p. 6 |
| Pressure relief valve setting | 210 ± 5 bar | p. 6 |
| Accumulator pre-charge check frequency | every year | p. 240 |
| Engine Net Power | 63 KW | p. 5 |
| Engine Total Displacement | 3908 cm³ | p. 5 |
| Wheel Tightening Torque | 86 daNm | p. 5 |
| Battery Voltage and Capacity | 12 V - 100 AH | p. 42 |
| Max. Working Pressure (Braking System Accumulator) | 210 bars | p. 173 |
| Boom Cylinder Rod Stroke | 760 mm | p. 234 |
