Link Belt ABS-138 Crane Service Pdf Manual
Link-Belt ABS-138 Crane Service PDF Manual
The Link-Belt ABS-138 was engineered for contractors performing heavy lifting in industrial plants, bridge construction, petrochemical facilities and large structural steel projects. Built around a rugged revolving upper frame, mechanical hoisting assemblies and hydraulic support systems, the ABS-138 was designed to withstand demanding jobsite conditions while remaining serviceable throughout its working life. This OEM Factory Service PDF Manual provides factory-approved repair procedures, disassembly instructions, overhaul methods and inspection standards that enable technicians to rebuild major crane components according to original Link-Belt workshop specifications instead of relying on estimation or aftermarket repair practices.
Engineered for Reliable Field Service
The ABS-138 combines proven mechanical engineering with hydraulic assistance for key operating systems. Features such as the hydraulic counterweight remover, retractable gantry, multiple drum configurations and swing lock mechanism simplify heavy lifting while making the crane easier to service during major rebuilds. The factory service manual follows the actual workshop sequence used by Link-Belt technicians, helping mechanics diagnose wear, restore component tolerances and extend the operational life of critical lifting assemblies.
Machine Information
| Machine Specification | Details |
|---|---|
| Manufacturer | Link-Belt Cranes |
| Model | ABS-138 |
| Machine Type | Lattice Boom Construction Crane |
| Upper Structure | Full Revolving Machinery Platform |
| Boom Configuration | Lattice Boom with Jib Attachments |
| Main Hoist | Mechanical Drum Hoisting System |
| Third Drum | Optional Heavy-Duty Drum Assembly |
| Swing System | Mechanical Swing Drive with Swing Lock |
| Counterweight System | Hydraulic Counterweight Remover |
| Gantry | Hydraulic Retractable Gantry |
| Drive Layout | Mechanical Transmission with Planetary Drives |
| Hydraulic Equipment | S-o-M Hydraulic Power Supply |
| Electrical System | OEM Engine & Machine Wiring |
| Workshop Design | Field-Rebuildable Mechanical Components |
| Main Applications | Bridge Construction, Petrochemical Plants, Steel Erection, Heavy Industrial Projects and Material Handling |
Factory Workshop Procedures Included
- General workshop instructions and service standards.
- Upper revolving frame dismantling and structural inspection.
- Undecking machine procedures for workshop servicing.
- Swing lock inspection, adjustment and repair.
- Hydraulic counterweight remover system servicing.
- Counterweight remover cylinder rebuilding.
- Hydraulic cylinder reconditioning for counterweight removal.
- Vertical swing shaft inspection and overhaul.
- Horizontal shaft servicing including reverse and reduction shafts.
- Front and rear drum shaft rebuilding with inspection limits.
- Third drum shaft servicing and adjustment.
- Two-speed planetary unit inspection and rebuilding.
- Planetary brake removal, installation and adjustment.
- Boom hoist shaft servicing with boom hoist pawl adjustment.
- General clutch repairs, clutch assemblies and rotating joint rebuilding.
- Front and rear drum brake servicing.
- Mechanical and hydraulic third drum brake repairs.
- Boom hoist brake and swing brake adjustments.
- Twin Disc clutch servicing, chain case pump repairs and engine wiring diagnostics.
- Hydraulic power supply troubleshooting including S-o-M system, accumulators, unloading valves, relief valves, filters, solenoid valves, pumps and control stands.
- Repair procedures for damaged angle booms, tubular booms, fly sections and live mast cylinders.
- Capscrew torque specifications together with bearing, gear, shaft and housing inspection standards.
Manual Specifications
| Manual Section | Coverage |
|---|---|
| General Information | Workshop Instructions & Safety |
| Upper Revolving Frame | Complete Structural Service |
| Undecking Machine | Workshop Procedures |
| Swing Lock | Inspection & Adjustment |
| Counterweight Removal System | Hydraulic Service |
| Vertical Swing Shaft | Inspection & Overhaul |
| Horizontal Shafts | Reverse & Reduction Shaft Repairs |
| Front & Rear Drum Shafts | Disassembly & Reassembly |
| Third Drum Assembly | Planetary Drive & Brake Service |
| Boom Hoist System | Shaft, Pawl & Brake Repairs |
| Clutch Assemblies | Complete Rebuild Procedures |
| Twin Disc Clutch | Inspection & Adjustment |
| Upper Engine | Chain Case & Engine Wiring |
| Hydraulic Power Supply | S-o-M Diagnostics & Valve Service |
| Boom & Jib Repairs | Angle, Tubular & Fly Sections |
| Live Mast Cylinder | Early & Later Model Service |
| Special Attachments | Service Procedures |
| Inspection Standards | Bearings, Gears, Shafts & Housings |
| Torque Specifications | Factory Tightening Values |
| Exploded Views | Detailed Component Illustrations |
| Document Format | Searchable PDF |
| Language | English |
| Delivery | Instant Digital Download |
Why This OEM Manual Is Essential
Servicing the ABS-138 requires accurate measurements, correct adjustment procedures and factory repair methods for its mechanical drivetrain and hydraulic support systems. This OEM manual explains how to rebuild drum shafts, overhaul swing assemblies, service planetary drives, diagnose S-o-M hydraulic components and repair boom structures while following original Link-Belt workshop standards. With dedicated sections covering hydraulic counterweight removal, boom repairs and drivetrain components, it serves as a complete workshop reference for long-term crane maintenance.
Frequently Asked Questions
Does this manual include the hydraulic counterweight removal system?
Yes. It provides factory procedures for the counterweight remover system, hydraulic cylinders and associated hydraulic components.
Are third drum and planetary drive repairs included?
Yes. The manual contains dedicated sections for the third drum shaft, two-speed planetary units, planetary brake servicing and adjustment procedures.
Does the manual cover hydraulic troubleshooting?
Yes. It includes complete diagnostics for the S-o-M hydraulic power supply, pumps, accumulators, unloading valves, relief valves, filters, solenoid valves and control valves.
Can damaged boom sections be repaired using this manual?
Yes. Factory repair procedures are provided for angle booms, tubular booms, fly sections and live mast cylinders.
Who is this service manual intended for?
This manual is designed for heavy equipment workshops, crane fleet owners, industrial maintenance departments, restoration specialists and professional technicians servicing the Link-Belt ABS-138 crane.