$77.95
Link Belt API-238A Crane Service Pdf Manual
Link-Belt API-238A Crane Service PDF Manual
The Link-Belt API-238A was developed for offshore drilling platforms, marine construction, refinery expansion and large industrial lifting operations where dependable heavy-duty performance and efficient maintenance are equally important. As one of the largest cranes in Link-Belt's API Series, the API-238A incorporates a reinforced revolving frame, hydraulic counterweight removal equipment, high-capacity multi-drum hoists and advanced S-o-M hydraulic controls to support continuous lifting in demanding environments. This OEM Factory Service PDF Manual provides the original workshop procedures used by Link-Belt technicians to inspect, troubleshoot, rebuild and adjust every major crane system according to factory specifications.
Designed for High-Capacity Offshore Service
The API-238A combines heavy mechanical drive components with hydraulic systems engineered for efficient field servicing. Major assemblies—including the counterweight removal system, two-speed planetary drives, third-drum assemblies, boom hoist components and live mast cylinders—can be serviced individually using factory repair procedures. The structured workshop manual helps maintenance teams restore original lifting performance while reducing costly downtime during scheduled overhauls.
Machine Information
| Specification | Details |
|---|---|
| Manufacturer | Link-Belt Cranes |
| Model | API-238A |
| Machine Type | Heavy-Duty Offshore Lattice Boom Crane |
| Maximum Rated Capacity | Approximately 104.8 U.S. tons (API configuration) |
| Upper Structure | 360° Revolving Machinery Platform |
| Boom Configuration | Tubular Boom with Fly & Jib Attachments |
| Main Hoist | Mechanical Multi-Drum Hoisting System |
| Auxiliary Hoist | Mechanical & Hydraulic Third Drum Options |
| Counterweight System | Hydraulic Counterweight Removal System |
| Drive System | Two-Speed Planetary Mechanical Transmission |
| Hydraulic Controls | S-o-M Hydraulic Power Supply |
| Applications | Offshore Platforms, Marine Construction, Refineries, Heavy Infrastructure and Industrial Lifting |
Factory Workshop Coverage
- General workshop instructions and OEM repair procedures.
- Upper revolving frame inspection and undecking procedures.
- Swing lock inspection and adjustment.
- Hydraulic counterweight remover system servicing.
- Counterweight remover cylinder rebuilding.
- Hydraulic cylinder reconditioning for counterweight removal equipment.
- Vertical swing shaft inspection and overhaul.
- Horizontal shaft servicing including reverse shaft and reduction shaft repairs.
- Front, rear and third drum shaft rebuilding.
- Two-speed planetary drive inspection and overhaul.
- Planetary brake removal, installation and adjustment.
- Boom hoist shaft, boom hoist pawl and boom hoist brake servicing.
- Mechanical and hydraulic third drum brake repairs.
- Automatic front and rear drum brake adjustment procedures.
- Swing brake inspection and rebuilding.
- Twin Disc clutch, chain case, engine wiring and cab electrical troubleshooting.
- S-o-M hydraulic diagnostics covering pumps, accumulators, unloading valves, relief valves, filters, control valves, drum rotation indicators and solenoid valves.
- Hydraulic tube fitting inspection and leak detection.
- Boom foot pin removal together with repair procedures for tubular booms, fly sections and jib assemblies.
- Live mast cylinder servicing for both early and later production cranes.
- OEM torque specifications plus bearing, gear, shaft and housing inspection standards.
Manual Specifications
| Manual Section | Coverage |
|---|---|
| General Information | OEM Workshop Procedures |
| Upper Revolving Frame | Inspection & Structural Repairs |
| Counterweight Removal System | Hydraulic Service & Cylinder Rebuild |
| Vertical & Horizontal Shafts | Complete Reconditioning |
| Planetary Drives | Two-Speed Units & Brake Adjustment |
| Drum Assemblies | Main, Rear & Third Drum Service |
| Boom Hoist System | Shaft, Pawl & Brake Repairs |
| Electrical System | Engine & Cab Wiring Diagnostics |
| Hydraulic Power Supply | S-o-M Diagnostics & Repairs |
| Tubular Boom | Boom, Fly & Jib Repairs |
| Special Attachments | Live Mast & Inspection Standards |
| Document Format | Searchable PDF |
| Language | English |
| Delivery | Instant Digital Download |
Why This OEM Manual Is Essential
The API-238A features one of the most comprehensive mechanical and hydraulic systems in the API crane range. This factory manual explains how to rebuild planetary drives, service hydraulic counterweight removal equipment, overhaul drum assemblies, diagnose S-o-M hydraulic controls and restore boom structures using original Link-Belt specifications. Following the OEM repair sequence improves repair accuracy, extends component life and helps maintain safe lifting performance in offshore and industrial applications.
Frequently Asked Questions
Does this manual include the hydraulic counterweight removal system?
Yes. It contains complete factory procedures for servicing the hydraulic counterweight remover, cylinders and related hydraulic components.
Are third drum and planetary drive assemblies covered?
Yes. The manual provides detailed overhaul procedures for third drum shafts, two-speed planetary drives and planetary brake adjustments.
Does it include complete hydraulic troubleshooting?
Yes. Dedicated sections explain S-o-M diagnostics covering pumps, accumulators, unloading valves, relief valves, filters, control valves, drum rotation indicators and solenoid valves.
Can damaged boom sections be repaired using this manual?
Yes. Factory repair procedures are included for tubular booms, fly sections, jib assemblies, boom foot pins and live mast cylinders.
Who should use this service manual?
This manual is ideal for offshore crane operators, heavy equipment workshops, industrial maintenance departments, marine contractors, fleet managers and professional technicians servicing the Link-Belt API-238A crane.