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Link Belt HTC-8670LB Crane Service Pdf Manual
Link-Belt HTC-8670LB Crane Service PDF Manual
The Link-Belt HTC-8670LB is a 70 U.S. ton hydraulic truck crane developed for heavy lifting applications that demand long reach, highway mobility and dependable field performance. Built with the LB (Long Boom) configuration, this crane combines an extended telescopic boom, a four-axle carrier and an advanced pressure-compensated hydraulic system for efficient lifting on commercial construction, bridge projects, petrochemical facilities and infrastructure developments. This OEM Factory Service PDF Manual provides factory-approved repair procedures, hydraulic diagnostics, electrical troubleshooting, overhaul instructions and detailed inspection standards used by professional crane technicians. The official manual covers both HTC-8670LB and HTC-8675LB series service procedures.
About the Link-Belt HTC-8670LB
The HTC-8670LB was engineered to simplify maintenance through modular hydraulic and mechanical assemblies. The OEM workshop manual includes complete removal and installation procedures, reconditioning instructions, hydraulic schematics, electrical wiring diagrams, torque specifications and operational testing. Dedicated service chapters cover the lower carrier, steering, rotating joint, hydraulic controls, boom systems, winches and upper crane assemblies, making it an essential workshop reference for fleet maintenance departments and heavy equipment repair facilities.
Machine Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Link-Belt Cranes |
| Model | HTC-8670LB |
| Equipment Type | Hydraulic Truck Crane |
| Rated Capacity | 70 U.S. Ton Class |
| Boom Configuration | Long Boom (LB) Full-Power Telescopic Boom |
| Carrier Configuration | Four-Axle Highway Carrier |
| Hydraulic System | Pressure-Compensated Multi-Function Hydraulics |
| Steering | Hydraulic Power Steering |
| Applications | Bridge Construction, Steel Erection, Industrial Maintenance and Heavy Infrastructure Projects |
OEM Factory Workshop Coverage
- General workshop information and factory safety procedures.
- Boom rest and boom rest extension removal and installation.
- Front axle rebuilding and wheel hub servicing.
- Front wheel and brake drum removal and installation.
- Brake reconditioning and automatic slack adjuster adjustments.
- Front suspension inspection and repairs.
- Master and slave steering gear rebuilding.
- Steering miter box, steering column and steering drive shaft servicing.
- Front and rear wheel alignment procedures.
- Rear steer pressure reducing valve diagnostics and rebuilding.
- Generation 3 rotating joint reconditioning with water swivel.
- Starter, alternator and battery servicing.
- Radiator, hydraulic cooling system and fan clutch repairs.
- Electronic gauge troubleshooting and collector ring servicing.
- Main hydraulic pump diagnostics and hydraulic pressure testing.
- Hydraulic schematics and hydraulic control system servicing.
- Extended telescopic boom inspection and structural repair.
- OEM electrical wiring diagrams and electrical troubleshooting.
- Torque specifications, calibration procedures and operational testing.
Workshop Insight
The HTC-8670LB combines an extended boom design with a sophisticated hydraulic control system, making accurate diagnostics essential during scheduled maintenance. Professional technicians frequently inspect the steering assemblies, rotating joint, hydraulic pumps, cooling system, collector rings and boom hydraulic circuits during major overhauls to maintain lifting precision and long-term reliability. The OEM service manual includes factory inspection limits, troubleshooting flowcharts and hydraulic schematics that help reduce downtime while supporting accurate component rebuilding.
Manual Technical Specifications
| Manual Section | Coverage |
|---|---|
| Document Type | OEM Factory Service Manual |
| General Information | Workshop Safety, Inspection Standards and Factory Service Procedures |
| Lower Carrier | Axles, Steering, Brakes, Suspension, Cooling System and Driveline |
| Hydraulic System | Main Pumps, Hydraulic Controls, Pressure Testing, Diagnostics and Hydraulic Schematics |
| Upper Structure | Rotating Joint, Collector Rings, Winches and Crane Hydraulic Components |
| Boom Assembly | Long Boom, Boom Rest, Boom Extensions and Structural Inspection |
| Electrical System | OEM Wiring Diagrams, Gauges, Charging System and Electrical Troubleshooting |
| Technical Reference | Torque Specifications, Calibration Procedures, Reconditioning and Operational Testing |
| File Format | |
| Language | English |
| Delivery | Instant Digital Download |
Frequently Asked Questions
Does this manual include hydraulic troubleshooting?
Yes. The OEM manual contains hydraulic schematics, pressure testing procedures, hydraulic pump diagnostics and complete troubleshooting information.
Are steering and brake repair procedures included?
Yes. It includes factory procedures for steering gears, steering linkage, suspension, brake systems, wheel alignment and axle servicing.
Does the manual cover rotating joint and collector ring repairs?
Yes. The manual provides detailed procedures for rotating joint reconditioning, collector ring servicing and related upper crane components.
Are electrical wiring diagrams included?
Yes. OEM electrical wiring diagrams, charging system diagnostics and electronic gauge troubleshooting procedures are included.
Who should use this service manual?
This OEM workshop manual is intended for crane repair workshops, fleet maintenance departments, heavy equipment service companies, equipment rental fleets and experienced technicians servicing the Link-Belt HTC-8670LB hydraulic truck crane.