Which pressure the pilot circuit should hold, and which wear limit retires an undercarriage part, are questions this 474-page Link-Belt LS-1600 technical manual PDF, book number 790 for the LS-series hydraulic excavator, settles for good. Hydraulic circuit diagrams for both blade and offset configurations sit in the Maintenance Standards section beside the electric circuit, while the undercarriage chapter takes the travel device, recoil spring, and track shoe through complete disassembly and reassembly. The attachment section, the largest block in the book, rebuilds every cylinder from boom to off-set and covers swing motor service. Check shoe thickness against the 4 mm (0.16 in) figure, and reject a pump shaft once oil seal lip wear passes 0.025 mm (0.001 in). Guessing here costs twice: the part, then the second teardown. Bookmarked and text-searchable, this download puts the right figure in front of you before your first bolt comes loose.
What's Inside This Manual
| System | Pages | Key Topics |
|---|
| General and Outline | 1-42 | Caution for Inspection and Maintenance, Basic Rules |
| Under Carriage | 43-116 | Travel Device, Drive Sprocket, Take-Up Roller, Upper Roller, Lower Roller, Recoil Spring, Grease Cylinder, Track Shoe |
| Upper Structure | 117-146 | Swing Device |
| Electrical System | 147-158 | Monitor System, Battery |
| Maintenance | 159-230 | Hydraulic Pump Maintenance, Hydraulic Pump, Control Valve, Pilot Valve, Manifold Valve, Stack Valve |
| Hydraulic Cylinders (Bucket, Arm, Boom, Off-Set, Blade) | 231-302 | Bucket Cylinder, Arm Cylinder, Boom Cylinder, Off-Set Cylinder, Blade Cylinder, Seal Replacement, Rod and Tube Inspection |
| Swing Motor Maintenance | 303-338 | Motor Disassembly, Reduction Gear, Brake, Maintenance Standards |
| Control Valve Maintenance | 339-356 | Spool Inspection, Relief Valve Settings, Reassembly, Maintenance Standards |
| Hydraulic Cylinder Maintenance | 357-436 | Piston and Rod Wear Limits, Seal Kits, Reassembly Torque, Maintenance Standards |
| Maintenance Standards | 437-474 | Caution for Inspection and Maintenance, Basic Rules (Handling of the Interchangeable Parts, Conversion Tables), Circuit Diagram (Hydraulic Circuit, Electric Circuit) |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Shoe thickness | 4 mm (0.16 in) | p. 30 |
| Shaft contact area of oil seal lip wear amount | 0.025 mm (0.001 in) or less | p. 178 |
| Volume efficiency (1st speed) | 94% or more | p. 300 |
| Machine efficiency (1st speed) | 82% or more | p. 300 |
| Tightening torque for hex socket head bolts (M10x30 and M10x70) | 5.6 to 7 kgf-m (40.51 to 50.63 ft.lbs) | p. 334 |
| Tightening torque for relief valve | 8 to 9 kgf-m (37.86 to 65.10 ft.lbs) | p. 424 |
| Outer diameter wear limit of piston rod (55-80mm) | -0.023 mm | p. 383 |
| Inner diameter wear limit of push rod (55-75mm) | +0.03 mm | p. 29 |
| Tightening torque for Plug (Item 4, 14) | 7.0 - 8.0 kgf m (50.63 - 57.86 ft-lb) | p. 424 |
| Tightening torque for Plug (Item 6) | 9.0 - 10.0 kgf m (56.10 - 72.33 ft-lb) | p. 424 |
| Track roller (a) Service limit | 110 mm (4.33 in) | p. 446 |
| Track roller (b) Standard size | 144 mm (5.67 in) | p. 446 |
