How to Repair Lattice Boom Cranes Safely with Kobelco Long Lacing Pipes

Sep 17 2026
By
Areej Kahwaji
How to Repair Lattice Boom Cranes Safely with Kobelco Long Lacing Pipes

In lifting operations, safety starts long before a crane raises its first load. It begins with the condition of every structural component, every inspection record, and every replacement part used on the machine. For lattice boom cranes, one of these critical components is the lacing pipe.

In their last volume, Kobelco Synergy announced that genuine Kobelco Long Lacing Pipes are now available through authorized dealers and official regional parts departments. These interlocking structural pipes are manufactured for specific crane capacities and are designed to help repair damaged lacing pipes on the insert boom and boom tip without compromising structural performance.

For contractors, crane owners, and fleet managers, this is more than a spare part update. It is a practical safety solution for keeping lattice boom cranes operating with confidence.

What Is a Lacing Pipe in a Lattice Boom Crane?

A lattice boom crane gets its strength from its open steel structure. Instead of using one solid boom section, the boom is made of chords and diagonal members that work together to carry lifting forces. These diagonal members are commonly known as lacing pipes.

The lacing pipes help distribute loads across the boom structure. They support the boom during lifting, swinging, and positioning operations. When these pipes are bent, cracked, dented, corroded, or improperly repaired, the boom may lose part of its designed strength.

That is why lacing pipe damage should never be treated as a minor cosmetic issue. Even a small deformation can affect how forces move through the boom, especially when the crane is working near its rated capacity.

Learn more about lattice boom advantages in cranes in our previous blog.

crawler crane main parts

 

Why Genuine Kobelco Long Lacing Pipes Matter

Kobelco Long Lacing Pipes are designed as structural replacement parts for lattice boom attachments. They are not generic pipes cut from standard steel stock. They are manufactured according to Kobelco specifications and supplied for particular crane capacities and boom configurations.

This matters because every crane model has its own engineering requirements. Pipe diameter, wall thickness, material grade, length, fitment, and welding requirements must match the original design. An unsuitable replacement pipe may seem cheaper at first, but it can create serious risks during lifting work.

A genuine Kobelco lacing pipe helps ensure that the repair follows the manufacturer’s intended standards. When combined with proper inspection and certified welding, it supports safer long-term crane performance.

 

A Flexible Repair Solution for Lattice Boom Attachments

One of the main advantages highlighted in Kobelco Synergy Volume 10 is flexibility. Long lacing pipes can be cut to the required length to replace damaged lacing pipes on the insert boom and boom tip.

This means one long pipe can support different repair requirements, instead of relying only on multiple pre-cut parts. Kobelco mentioned that pipes from 6 meters up to 9 meters are available, giving service teams more flexibility when preparing for repairs.

For crane owners, this can help reduce waiting time, simplify inventory, and support faster maintenance planning.

Corrosion in crane lacing pipes
Corrosion in lacing pipes and chords happens because of poor maintenance.

 

Key Benefits for Crane Owners and Fleet Managers

1. Lower Repair Cost

Keeping long lacing pipes in stock can reduce the need to purchase several different pre-cut parts. Since the pipe can be cut according to the damaged section, workshops can prepare the required length more efficiently.

This is especially useful for contractors managing several lattice boom cranes or operating in remote project locations where delivery time can affect productivity.

2. Reduced Inventory

Instead of storing many pipe sizes for different repair scenarios, fleet teams can keep suitable long lacing pipes and prepare them as needed. This simplifies spare parts management and reduces storage confusion.

For companies operating a mixed crane for sale fleet, better spare parts planning can make a major difference in maintenance speed.

Long lacing pipes preparation
Long lacing pipes preparation simplifies spare parts management and reduces storage confusion.

 

3. Less Downtime

Every day a crane is out of service can affect the full project schedule. Lattice boom cranes often work in heavy lifting, infrastructure, oil and gas, marine construction, and foundation projects where equipment availability is critical.

Having genuine long lacing pipes available through authorized channels can help reduce repair delays. It allows the damaged part to be addressed faster, provided that inspection, cutting, welding, and reporting are handled by qualified professionals.

4. Better Structural Confidence

A crane is only as strong as its inspected and maintained structure. Genuine Kobelco parts like the ones available at the Sharjah spare parts showroom help preserve the machine’s intended design quality. This is especially important in lifting operations where safety margins must never be compromised.

Using the correct part also supports better documentation, especially when official inspection reports are required before returning the crane to service.

Kobelco CKS100 crane

 

Why Welding Must Be Done by Certified Experts

Replacing a lacing pipe is not a simple workshop job. It requires correct inspection, preparation, cutting, alignment, welding, and reporting. Kobelco Synergy Volume 10 also highlighted the availability of Kobelco-certified welders, trained according to Kobelco factory standards in Japan.

This is critical because poor welding can compromise structural integrity, even if the correct replacement steel is used. Structural repairs must always be performed by qualified technicians, such as the specialized team at Al Marwan workshops, who understand crane structures and the strict OEM repair standards.

Welding is an essential step to maintain your crane lattice booms
Welding is an essential step to maintain your crane lattice booms.

 

Why Contractors Should Avoid Non-Genuine Substitutes

When searching for crane parts, some contractors may be tempted to use locally sourced steel pipes or general fabrication materials. While this may seem faster or cheaper, it can lead to major risks.

Non-genuine parts may not match the required steel grade, dimensions, or structural behavior. They may also create issues during future inspection, resale, insurance review, or site approval.

For any crane for sale or crane for rent, structural condition is one of the most important factors buyers and rental customers look at. A crane with documented repairs using genuine parts and certified service support will always inspire more confidence than one repaired with unknown materials.

When Should a Lacing Pipe Be Checked?

Lacing pipes should be inspected regularly, especially after:

  • Working in heavy lifting operations
  • Transporting or assembling boom sections
  • Any visible impact or bending
  • Operation in marine or corrosive environments
  • Long idle periods before reuse
  • Buying or renting a used lattice boom crane
  • Preparing the crane for major lifting work

Warning signs include dents, bending, cracks, corrosion, damaged paint, abnormal weld marks, or visible deformation. Even if the crane seems operational, these signs should be checked by professionals before the next lift.

kobelco crane

 

Al Marwan Machinery: Supporting Safer Crane Operations

As an authorized dealer for Kobelco machinery in the GCC and the Middle East, Al Marwan Machinery supports contractors with reliable equipment, access to genuine machinery parts, and expert guidance for lifting operations. For companies operating Kobelco lattice boom cranes, using genuine structural components is not only a maintenance choice. It is a safety decision.

From heavy lifting projects to long-term fleet planning, choosing the right crane partner helps reduce risk, improve uptime, and protect machine value.


Need genuine Kobelco crane parts or expert support for your lattice boom crane?

Get in touch with Al Marwan Machinery to check available Kobelco crane parts, request inspection support, or explore reliable options for crane rental and cranes for sale in the UAE. Our team can help you keep your lifting equipment safer, stronger, and ready for the next project.

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