Chasing travel drift or a soft swing brake on a Link-Belt 210LX puts you deep in the pilot circuit, and hydraulics is where this shop manual spends close to half its 602 pages; the rest of this Link-Belt 210LX service manual PDF, factory book number 7-28151LX for the crawler excavator, covers engine removal, undercarriage, drive train, and cab work. Large format hydraulic and electrical schematics ride in the back pocket, backing an electrical section built around component locations and troubleshooting charts. Teardown procedures for the main pump, control valve, swing motor, and final drive transmissions each end in pressure checks and reassembly torques. Verify a minimum brake pressure of 421 psi at the swing motor and holding torque of at least 543.4 lb-ft before you call it done. Bleeding a system twice because one pressure was off costs a crew a day. Bookmarked, text-searchable, and ready to download, so the 210LX tracks out under its own power again.
What's Inside This Manual
| System | Pages | Key Topics |
|---|
| General Information | 1-36 | Safety, Standard Torque Data |
| Engine | 37-50 | Removal and Installation of the Engine, Radiator and Oil-Cooler |
| Fuel System | 51-56 | Fuel Tank Removal |
| Electrical System | 57-160 | Location of Components, Basic Operating Principles, Troubleshooting |
| Undercarriage | 161-214 | Removal and Installation of the Tracks Set, Upper and Lower Rollers, Sprocket, Idler Wheel and Tension Shock Absorber |
| Drive Train | 215-254 | Drive Motor and Final Drive Transmission Removal and Installation, Drive Motor and Final Drive Transmission Disassembly and Assembly, Swing Reduction Gear, Removal and Installation |
| Hydraulic System Maintenance and Preparation | 255-264 | Depressurizing, Decontamination, Vacuum Pump, Bleeding Components |
| Hydraulic Specifications and Troubleshooting | 265-292 | Pressure Settings, Troubleshooting, Travel Drift, Swing Brake, Cushion Control |
| Hydraulic Component Removal and Installation | 293-426 | Hydraulic Sump Tank, Main Hydraulic Pump, Pilot Pump, Main Control Valve, Attachment Cylinders |
| Pilot and Auxiliary Control Systems | 427-512 | Hand Joystick Control, Travel Pedal Control, Six Stack Solenoid Valve, Cushion Control, Hose Burst Check Valve |
| Hydraulic Functions and Circuitry | 513-546 | Hydraulic Functions, Travel Circuits, Swing Circuit, Boom Raising/Lowering, Arm/Bucket Circuits, Crusher/Breaker Circuits |
| Upperstructure | 547-602 | Turntable and Counterweight, Boom, Arm and Bucket, Seat and Safety Belt, Cab and Cab Equipment, Air Conditioning Troubleshooting, Air Conditioning Unit Disassembly and Assembly |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Swing torque | 44840 ft.lbs | p. 25 |
| Braking torque | 543.4 lb-ft | p. 25 |
| Braking torque (including reducer) | 15368 lb-ft | p. 25 |
| Boom cylinder bore diameter | 4.7 in | p. 20 |
| Boom cylinder rod diameter | 3.3 in | p. 20 |
| Toothed wheel (sprocket) standard dimension a | 2.59 in | p. 26 |
| Toothed wheel (sprocket) limit dimension a | 2.36 in | p. 23 |
| Travel motor/reduction gear assembly torque setting | 197-230 lb-ft | p. 33 |
| Thermostat opening range (Starts to open) | 180°F (82°C) | p. 44 |
| Thermostat opening range (Completely open) | 203°F (95°C) | p. 44 |
| Oil level, fill plug and oil drain plug torque | 3.6 to 8 lb-ft (5 to 11 Nm) | p. 216 |
| Reduction gear - Cover retaining screws torque | 54 ± 2.5 lb-ft (73.5 ± 3.5 Nm) | p. 222 |
