Travel hydraulics are the toughest system on the L586 2plus2 wheel loader, and this 703-page Liebherr L586 2plus2 service manual PDF works through its variable displacement pumps and motors before widening to transfer gear, axles, steering, brakes and the articulation bearing. The electrical chapter, the largest in the book at roughly a fifth of it, carries the wiring diagrams; hydraulic schematics lay out the working circuit from control block and pilot control unit to the lift and tilt cylinders and ride control. A closing chapter on service codes and diagnosis lets you match a stored fault to its cause before a fitting comes loose. Set the working pump flow regulator to 22 ± 2 bar, confirm power control starts regulating at 180 ± 10 bar, and torque wheel nuts to 450 Nm. Guess at a pump setting and you pay twice: new parts, second teardown. Bookmarked and text-searchable, it is bought once and stays yours for as long as the loader works your yard.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 1-22 | Safety Regulations, Special Tools for Maintenance |
| Product Description | 23-44 | Technical Data |
| Maintenance | 45-143 | Maintenance and Inspection Schedule, Testing and Adjustment Plan, Maintenance Tasks |
| Diesel Engine and Pump Distributor Gear | 144-167 | Diesel Engine, Fuel System, Air Filter System, Coupling, Pump Distributor Gear |
| Cooling System | 168-183 | Gear Pump, Gear Motor, Temperature Sensor |
| Travel Hydraulics | 184-235 | Variable Displacement Pumps, Variable Displacement Motors |
| Working Hydraulics | 236-301 | Control Block, Pilot Control Unit, Ride Control, Lift and Tilt Cylinders, Hydraulic Tank |
| Steering System | 302-335 | Steering Pump, Servostat, Steering Cylinder, Emergency Steering |
| Brake System | 336-365 | Service Brake, Parking Brake, Overspeed Protection |
| Electrical System | 366-513 | Electrical Components, Battery Installation |
| Transfer Gear | 514-535 | Mechanical Transmission, Electronic Control Unit, Hydraulic Control |
| Axles and Cardan Shaft | 536-555 | Front Axle, Front Axle Flushing Circuit, Rear Axle, Drive Shafts |
| Machine Frame and Ballast Weight | 556-567 | Machine Frame, Articulation Bearing, Oscillating Bearing, Articulation Lock, Ballast Weight |
| Central Lubrication System | 568-581 | Automatic Central Lubrication System |
| Coverings and Access | 582-591 | Covering, Cab Access |
| Cab, Heating and Air-Conditioning | 592-627 | Display Unit, Heating, Ventilation, Air Conditioning, Air Conditioning System |
| Lift Arms and Quick-Change Device | 628-641 | Lift Arms, Pin Bearing, Quick Change Device |
| Equipment and Accessories | 642-645 | Bucket |
| Service Codes and Diagnosis | 646-702 | Malfunctions |
| Options | 703 |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Wheel lug tightening torque | 450 Nm | p. 37 |
| Wheel nut tightening torque | 450 Nm | p. 107 |
| Filter unit filtration grade | 10 µm | p. 32 |
| Bleeder filter filtration grade | 10 µm | p. 33 |
| Working hydraulics pump flow regulator (delta p) | 22 ± 2 bar | p. 30 |
| Working hydraulics pump power controller start of regulation | 180 ± 10 bar | p. 30 |
| Variable displacement motor 1 torque (Δp 400 bar) | 878 Nm | p. 29 |
| Variable displacement motor 2 torque (Δp 400 bar) | 908 Nm | p. 29 |
| Gear shifting solenoid valves resistance | 93 ± 6 Ohm | p. 37 |
| Replenishing pressure pump 1 | 34 ± 1 bar | p. 57 |
| Replenishing pressure pump 2 | 34 ± 1 bar | p. 57 |
| Engine Oil Capacity | 43.0 L | p. 60 |
