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Link Belt LS-108B Crane Service Pdf Manual
Link-Belt LS-108B Crane Service PDF Manual
The Link-Belt LS-108B was engineered for contractors requiring greater lifting versatility, transport efficiency and dependable crawler performance on demanding construction sites. This upgraded model introduced features such as hydraulic side frame cylinders, retractable gantry components and hydraulic counterweight removal systems that simplify machine setup while maintaining excellent stability. Because these specialized systems work alongside the proven Speed-O-Matic hydraulic system and heavy-duty crawler drivetrain, accurate factory repair procedures are essential during major overhauls. This OEM Factory Service Manual provides dealership-level instructions for diagnosing faults, rebuilding assemblies and restoring the LS-108B to reliable operating condition.
Machine Information
| Specification | Details |
|---|---|
| Manufacturer | Link-Belt Cranes |
| Model | LS-108B |
| Equipment Type | Crawler Lattice Boom Crane |
| Rated Capacity | 45 U.S. tons (40.8 metric tonnes) |
| Basic Boom Length | 40 ft (12.19 m) |
| Maximum Boom Height (No Jib) | 130 ft (40 m) |
| Swing Speed | 4 rpm |
| Travel Speed | Up to 2 mph (3.2 km/h) |
| Fuel Tank Capacity | 60 US gal (227 L) |
| Hydraulic System | Speed-O-Matic (S-o-M) |
| Undercarriage | Crawler with Hydraulic Side Frame Cylinders |
| Applications | Heavy Lifting, Foundation Construction, Industrial Projects and Material Handling |
Factory Workshop Coverage
The LS-108B incorporates several components unique to the B-series crawler platform. This manual follows the same repair sequence used by factory technicians, beginning with inspection and measurement before progressing through disassembly, rebuilding, hydraulic testing and final operational adjustments.
- Lower frame inspection and crawler structural repairs.
- 108B traction shaft rebuilding and tread sprocket replacement.
- Hydraulic side frame cylinder removal, inspection and rebuilding.
- Track rollers, carrier rollers, idler rollers and steering mechanism servicing.
- Rotating joint overhaul and hydraulic system cleaning procedures.
- Conical roller assembly and gear case lubrication system maintenance.
- Low gantry, retractable gantry and hydraulic retractable gantry servicing.
- Hydraulic counterweight removal system diagnostics and repair.
- Vertical shafts, swing brake assemblies and travel shifter repairs.
- Boom hoist shaft, drum brakes, clutch assemblies and two-speed planetary overhaul.
- Chain case assembly and engine wiring procedures.
- Speed-O-Matic hydraulic diagnostics including pumps, accumulators, unloading valves, relief valves and control valves.
- Angle boom, tubular boom, fly, jib, hydraulic bucket and tagline winder service procedures.
- Bearing inspections, shaft measurements and factory torque specifications.
Manual Technical Specifications
| Manual Information | Details |
|---|---|
| Manual Type | OEM Factory Service Manual |
| Machine Covered | Link-Belt LS-108B Crane |
| Language | English |
| Format | |
| Factory Repair Procedures | Included |
| Hydraulic Diagnostics | Included |
| Mechanical Overhaul Procedures | Included |
| Inspection & Adjustment | Included |
| Torque Specifications | Included |
| Searchable PDF | Yes |
| Bookmarks | Yes |
| Printable | Yes |
| Delivery | Instant Digital Download |
Frequently Asked Questions
What makes the LS-108B different from the LS-108?
The LS-108B includes upgraded crawler components such as hydraulic side frame cylinders, retractable gantry systems and hydraulic counterweight removal features that improve transport and jobsite setup.
Does this manual include side frame cylinder repairs?
Yes. Factory procedures are provided for hydraulic side frame cylinders along with crawler frame inspection and adjustment.
Are hydraulic troubleshooting procedures included?
Yes. The manual covers the Speed-O-Matic hydraulic system, hydraulic pumps, accumulators, unloading valves, relief valves and hydraulic control valves.
Does it cover boom and hoisting system repairs?
Yes. It includes repair procedures for boom hoist assemblies, drum brakes, angle and tubular booms, fly sections, jibs and related lifting attachments.
Who should use this OEM service manual?
This manual is intended for professional crane mechanics, fleet maintenance departments, heavy equipment workshops and restoration specialists servicing Link-Belt LS-108B crawler cranes.