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Link Belt 108 HYLAB 5 Crane Service Pdf Manual
Link-Belt 108 HYLAB 5 Crane Service PDF Manual
The Link-Belt 108 HYLAB 5 is a proven crawler crane designed for contractors who need dependable lifting performance on foundation work, bridge construction, steel erection and material handling projects. Rated at approximately 50 US tons (50 metric tons), this crawler crane combines a rugged lower structure, reliable power transmission system and heavy-duty boom design to deliver excellent lifting capability in demanding environments. As operating hours accumulate, components such as the boom hoist drums, swing mechanism, crawler drives and hydraulic systems require accurate servicing. This OEM Factory Service PDF Manual provides the workshop procedures used by professional technicians to inspect, diagnose, repair and overhaul the crane while maintaining original Link-Belt specifications.
Designed for Reliable Crawler Crane Performance
The 108 HYLAB 5 was built for applications where stability and lifting efficiency are more important than travel speed. Its conventional lattice boom configuration, crawler undercarriage, heavy-duty hoist drums and optional third drum make it suitable for lifting structural steel, precast concrete, piling equipment and dragline attachments. Features such as oil-filled lower drives, matching grooved hoist drums and optional XL counterweight packages improve lifting performance while simplifying maintenance.
Workshop Repair Coverage
- Upper mechanism inspection including power transmission components and drive assemblies.
- Front and rear drum shaft maintenance, disassembly, inspection and reassembly.
- Boom hoist drum overhaul including bearings, brake components and shaft alignment.
- Clutch assembly inspection, adjustment and rebuilding procedures.
- Crawler lower drive servicing including final drives, sprockets and travel mechanisms.
- Swing machinery inspection, bearing adjustment and gear train servicing.
- Lattice boom inspection including boom sections, pins, connecting hardware and structural checks.
- Hydraulic system diagnostics covering pumps, valves, cylinders and pressure testing.
- Electrical troubleshooting using factory wiring diagrams and diagnostic procedures.
- Complete disassembly, assembly specifications, lubrication points, inspection limits and torque values.
Machine Information
| Specification | Details |
|---|---|
| Model | Link-Belt 108 HYLAB 5 |
| Machine Type | Crawler Crane |
| Rated Capacity | 50 US Tons (50 Metric Tons) |
| Boom Type | Lattice Boom |
| Maximum Boom Length | 140 ft (42.67 m) |
| Jib Length | 20–50 ft (6.10–15.24 m) |
| Maximum Tip Height | 163 ft (49.68 m) |
| Maximum Working Radius | 140 ft (42.67 m) |
| Engine | 170 HP Diesel Engine |
| Lower Structure | Crawler Undercarriage |
| Travel Drive | Oil-Filled Lower Drives |
| Main Hoist | Matching Grooved Drum |
| Optional Third Drum | Available |
| Maximum Line Pull | 32,323 lb (14,662 kg) |
| Maximum Line Speed | 432 ft/min (131.7 m/min) |
| Counterweight Option | XL Package Available |
| Primary Applications | Bridge Construction |
| Applications | Steel Erection |
| Applications | Foundation Work |
| Applications | Industrial Construction |
| Applications | Material Handling |
| Major Components | Lattice Boom, Hoist Drums, Swing System, Crawler Drives, Hydraulics, Clutches and Power Transmission |
Manual Specifications
| Manual Details | Description |
|---|---|
| Manual Type | OEM Factory Service Manual |
| Machine Covered | Link-Belt 108 HYLAB 5 |
| Document Format | |
| Language | English |
| Searchable PDF | Yes |
| Bookmarks | Yes |
| Section 0 | General Information & Safety Procedures |
| Section 1 | Upper Mechanism |
| Power Transmission | Inspection & Repair |
| Front & Rear Drum Shafts | Maintenance & Reconditioning |
| Boom Hoist Drum | Removal & Reassembly |
| Clutch Assemblies | Inspection & Adjustment |
| Hydraulic System | Diagnostics & Repair |
| Crawler Drives | Service Procedures |
| Swing Mechanism | Inspection & Overhaul |
| Electrical System | Factory Wiring Diagrams |
| Troubleshooting Charts | OEM Diagnostic Procedures |
| Hydraulic Schematics | Included |
| Exploded Illustrations | Detailed Assembly Drawings |
| Torque Specifications | Factory Values |
| Workshop Coverage | Complete Disassembly, Inspection and Reassembly Procedures |
| Delivery | Instant Digital Download |
Why Choose the OEM Factory Manual?
Heavy crawler cranes require precise inspection of hoist drums, crawler drives, swing components and structural boom assemblies to maintain safe lifting performance. This factory manual follows the same workshop sequence used by Link-Belt service technicians, helping reduce downtime and avoid unnecessary component replacement by identifying the root cause of mechanical or hydraulic faults.
Frequently Asked Questions
Does this manual cover boom hoist drum rebuilding?
Yes. It includes drum disassembly, bearing inspection, brake servicing, shaft alignment and complete reassembly procedures.
Can I repair the crawler travel drives using this manual?
Yes. The manual explains lower drive inspection, travel components, lubrication points and final drive servicing.
Are hydraulic diagrams and electrical wiring included?
Yes. Factory hydraulic schematics, wiring diagrams and troubleshooting procedures are included.
Does the manual explain clutch adjustment and repair?
Yes. Complete clutch structure, inspection, adjustment and rebuilding procedures are covered.
Who is this service manual designed for?
It is intended for crane owners, fleet maintenance departments, heavy equipment workshops and professional technicians servicing the Link-Belt 108 HYLAB 5 crawler crane.