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Link Belt HC-238H II Crane Service Pdf Manual
Link-Belt HC-238H II Crane Service PDF Manual
The Link-Belt HC-238H II is a 150 U.S. ton (136 metric ton) HYLAB series conventional lattice boom truck crane developed for contractors who require exceptional lifting capacity, extended boom configurations and dependable field serviceability. Designed for refinery construction, heavy bridge projects, wind energy installation and large structural steel erection, the HC-238H II combines a high-capacity carrier, tubular lattice boom, hydraulic control system and heavy-duty hoisting equipment. This OEM Factory Service PDF Manual provides the original Link-Belt workshop procedures for diagnosing, repairing and rebuilding every major crane assembly to factory specifications.
Factory Workshop Information Trusted by Professional Technicians
Built for complete machine restoration rather than basic maintenance, this manual explains how to overhaul the rubber tire carrier, rebuild hydraulic and mechanical systems, restore planetary hoists, troubleshoot electrical circuits and inspect structural crane components. Every repair sequence follows the same procedures used by factory-trained Link-Belt technicians, helping reduce downtime while maintaining safe lifting performance. The service index covers the lower carrier, upper revolving structure, boom systems, hydraulic circuits and electrical diagnostics.
Machine Information
| Specification | Details |
|---|---|
| Manufacturer | Link-Belt Cranes |
| Model | HC-238H II |
| Machine Type | HYLAB Conventional Lattice Boom Truck Crane |
| Maximum Rated Capacity | 150 U.S. Tons (136 Metric Tons) |
| Carrier Configuration | Heavy-Duty Multi-Axle Rubber Tire Carrier |
| Main Boom Length | 50 ft to 260 ft Tubular Lattice Boom |
| Optional Attachments | Fixed Jib and Luffing Jib Configurations |
| Hydraulic System | Heavy-Duty Multi-Function Hydraulic Control System |
| Hoisting System | High-Capacity Planetary Drum Hoists |
| Applications | Bridge Construction, Wind Energy, Petrochemical Plants, Heavy Infrastructure and Industrial Lifting |
Factory Workshop Coverage
- General service instructions and complete OEM repair procedures.
- Rubber tire carrier overhaul including steering, axles, suspension and wheel alignment.
- Front and rear brake systems with complete air brake diagnostics and adjustment.
- Power steering gear, steering cylinders and hydraulic steering pump servicing.
- Carrier clutch, transmission, driveline and power take-off maintenance.
- Hydraulic outriggers, telescoping beams, jack cylinders and outrigger control valves.
- Upper revolving frame inspection, swing lock servicing and counterweight system repairs.
- Planetary hoists, drum shafts, boom hoist drives and optional third drum overhaul.
- Swing mechanism, rotating joint, swing brake and turntable bearing servicing.
- Hydraulic pumps, accumulators, relief valves, check valves, filters and control valves.
- Hydraulic pressure testing, troubleshooting and system performance adjustments.
- Boom foot pin assemblies, live mast components, tubular boom, fly and jib repairs.
- Factory electrical wiring diagrams, electrical troubleshooting and charging system diagnostics.
- Torque specifications, wear limits, inspection standards and assembly procedures.
Manual Specifications
| Manual Section | Coverage |
|---|---|
| Carrier Systems | Steering, Brakes, Axles, Transmission & Outriggers |
| Upper Structure | Swing System, Counterweight & Revolving Frame |
| Mechanical Components | Planetary Hoists, Drum Assemblies & Boom Hoist |
| Hydraulic System | Pumps, Valves, Cylinders & Pressure Diagnostics |
| Electrical System | OEM Wiring Diagrams & Electrical Troubleshooting |
| Boom Equipment | Main Boom, Fly, Jib, Live Mast & Boom Foot Pin |
| Document Format | Searchable PDF |
| Language | English |
| Delivery | Instant Digital Download |
Why This OEM Manual Is Essential
The HC-238H II incorporates sophisticated hydraulic, structural and mechanical systems that require accurate factory repair methods. This OEM manual explains how to rebuild planetary hoists, service the hydraulic carrier systems, restore boom mechanisms, troubleshoot electrical circuits and overhaul the upper crane using original Link-Belt specifications. It is an essential reference for heavy equipment workshops, crane fleet operators and rebuild specialists responsible for keeping 150-ton lifting equipment operating safely and efficiently.
Frequently Asked Questions
Does this manual include both the carrier and upper crane?
Yes. It covers the complete rubber tire carrier, steering, brakes, transmission, outriggers, upper revolving structure and crane machinery.
Are hydraulic outriggers and hydraulic troubleshooting procedures included?
Yes. The manual provides factory procedures for outrigger systems, hydraulic pressure testing, pumps, valves, cylinders and complete hydraulic diagnostics.
Does it cover planetary hoists and boom hoist assemblies?
Yes. Detailed overhaul procedures are included for planetary hoists, boom hoist drives, drum assemblies and related mechanical components.
Are OEM electrical wiring diagrams included?
Yes. Factory wiring diagrams and electrical troubleshooting procedures are included for the crane's electrical systems.
Who should use this service manual?
This manual is intended for crane fleet maintenance departments, heavy equipment workshops, rental companies, rebuild specialists and experienced technicians servicing the Link-Belt HC-238H II crane.