DL Safe-Set Hydraulic Liner Bushing Puller

For a long time, the maintenance of the hydraulic end of the mud pump has been limited by an outdated and inefficient operation process. Traditionally, the removal of the cylinder liner requires a cumbersome mechanical method: clamping the crosshead extension rod onto the liner, then manually rotating the pump body until the liner is finally "unclamped".

This approach is not only "arduous and time-consuming," but also poses a range of serious operational, safety and financial risks:

1. High Non-Productive Time (NPT): Every minute saved in the pump house translates to reduced downtime. Traditional methods consume hours that could otherwise be used for drilling operations. For drilling platforms with daily rates often reaching hundreds of thousands of dollars, such time wastage is simply unsustainable.
2. Serious safety hazards: This process typically "requires two or more workers to operate in frequently hazardous conditions." Operators not only endure the physical strain of heavy tools but are also constantly exposed to high risks such as crushing and injury from pump rotation and accidental component movement. This directly contradicts the modern drilling industry's pursuit of "Zero LTI" (Zero Lost Time Injury) objectives.
3. Uncontrollable technical risks: The success of the operation is highly uncertain. If the bushing has been used in the pump for a long time or is stuck due to corrosion or sedimentation, the disassembly will become "more laborious".

The Safe-Set™ system delivers a revolutionary concept by fundamentally altering force application methods, eliminating all drawbacks of traditional approaches at their source and providing contractors with exceptional cost-effectiveness.

The system's core innovation is its "hydraulic drive cylinder", ingeniously integrated into the drawbar assembly. Unlike systems relying on uncontrolled rotational force, Safe-Set™ employs pure linear drawing.

It works with precision and efficiency:

1. Anchoring and positioning: properly install the puller system, so that the hydraulic cylinder inside it is "pushed to the rear of the hydraulic end module".
2. Applying linear tension: The operator can apply controllable, steady and strong hydraulic pressure to the cylinder through a simple hydraulic hand pump (the only tool needed to operate the system).
3. Perfect pulling: This hydraulic force creates a 'straight and consistent pulling force' on the bushing, pulling it out of the frame hole.

The pivotal innovation lies in transitioning from rotational to linear force. The straight and uniform pulling force ensures the sleeve remains perfectly aligned throughout the disassembly process, dramatically reducing the risk of misalignment. This not only protects the power cylinder bore frame from damage but also fundamentally streamlines maintenance procedures for the entire hydraulic system.

Through Safe-Set™, a physically demanding task once fraught with uncertainties and risks is transformed into a fully controllable and predictable mechanical process.

The benefits of the Safe-Set™ system are immediate, directly reflected in three core performance metrics of drilling operations: time, safety, and asset integrity.

Benefit 1: Reduce non-productive time (NPT) from hours to minutes

This is the most compelling value proposition of Safe-Set™. "What used to take hours to complete is now done in minutes."

This time efficiency translates into substantial financial gains. In the drilling industry, downtime costs are astronomical. For instance, if a drilling platform's hourly cost is $40,000, reducing a 3-hour maintenance task to 15 minutes saves 2.75 hours of non-productive time-equivalent to recovering over $110,000 in lost operational revenue.

As the data shows, Safe-Set™ is an investment that pays for itself time and again. It quickly recoups its investment by converting costly downtime into productive drilling time.

Benefit 2: Reconstructing the Safety Standards for Pump House Operations

Safe-Set™ is a groundbreaking process safety enhancement that liberates operators from hazardous conditions. No longer does it require two or more workers to perform high-risk manual labor around the pump body. Now, a single operator can complete the entire disassembly process by operating a hydraulic manual pump from a safe distance.

This transformation has dramatically reduced the risk of workplace injuries-particularly crush injuries and muscle strains-perfectly aligning with global drilling contractors 'commitment to enhancing on-site safety standards and achieving' Zero LTI' (Zero Lost Time Injury).

The third benefit: Protecting your core assets

The misalignment and skew of bushing is not only time-consuming, but also a direct threat to the core asset of mud pump. Any damage to the power cylinder bore frame may lead to catastrophic failure and long downtime for maintenance.

With its "straight and consistent pull," Safe-Set™ ensures smooth and safe disassembly every time. While performing maintenance tasks, it protects the pump frame, eliminating the risk of costly equipment damage from improper operation and ensuring long-term asset integrity.

Safe-Set™ delivers a turnkey solution. All functional components are included in the assembly except the hydraulic manual pump, ensuring the field team can operate it out of the box without needing to source additional parts.

A Complete "Turnkey" System

The Safe-Set™ system, as specified in the design drawings, consists of the following precision-engineered components:

1. ** Safe-Set™ Main Unit (Integrated Hydraulic Cylinder)**: The system's power core, delivering powerful yet smooth hydraulic thrust.
2. Bushing Adapter: A precision-engineered tool designed to securely and accurately grip various types of cylinder liner bushings.
3. Wear Plate Adapter: Ensures proper support and positioning reference for the puller on the hydraulic end module.
4. ** Safe-Set™ Spacer**: Provides the required stroke and spacing to accommodate various pump types and bushing depths.
5. Puller Plate: Distributes the hydraulic cylinder's force evenly to ensure straight and deviation-free pulling.
6. A sturdy storage box provides a safe and organized place to store all components, ensuring tools remain intact during transport and storage, and can be quickly retrieved on-site.

Designed for actual maintenance processes

The system's ultimate goal is to simplify maintenance. Once the bushing is safely and quickly removed, the maintenance team can immediately access critical components. "Wear-resistant plates and seals can be inspected and replaced when needed." Safe-Set™ seamlessly integrates into the entire maintenance workflow, making it more efficient and streamlined.

The Safe-Set™ system is meticulously engineered to seamlessly integrate with the most prevalent mud pump and bushing configurations in modern drilling operations, making it the ideal solution for the entire drilling fleet.

Unparalleled cross-manufacturer compatibility

One of the system's key strengths is its broad applicability. It isn't limited to a single OEM standard, but is designed for the three most mainstream bushing configurations:

• OEM type bushing and clamp
• Mission L type bushing and cylinder liner nut
• Blak-Jak™ type bushing and Lok-CEL™

This broad compatibility ensures Safe-Set™ delivers a unified, standardized solution for drilling contractors' pump teams-whether in Houston, Dubai, or Singapore-regardless of equipment manufacturers. This significantly simplifies procurement, inventory management, and field personnel training.

Engineered for industry-leading pump models: Suitable for slurry pumps ranging from 9P to 14P

The Safe-Set™ system is currently compatible with mud pumps from NOV 9P to 14P. We provide specific models for different pump types to ensure optimal compatibility and peak performance.

** Safe-Set™ Model Selection Guide**

The Safe-Set™ Hydraulic Cylinder Liner Puller is more than just a tool-it represents a complete overhaul of slurry pump maintenance philosophy. It tackles the three major pain points of traditional methods: time, safety, and equipment reliability, delivering a decisive solution.

By applying hydraulic technology to a long-neglected maintenance task, Safe-Set™ achieved:

1. Speed: Reduce downtime from hours to minutes.
2. Safety: Free workers from hazardous work areas.
3. Reliability: Protects expensive pump assets by eliminating the risk of bushing skew.

The return on this investment is clear. As its design philosophy demonstrates, Safe-Set™ is a tool that "will pay for itself time and again," converting costly non-productive time into productive time.

jump into action ：

• Contact our team for a customized quote on the Safe-Set™ hydraulic cylinder liner puller.
• Download the technical data sheet to view complete specifications and component details.
• Consult our experts to learn how Safe-Set™ can be integrated into your specific maintenance agreements in Houston, Aberdeen, Dubai, or Singapore, enabling you to start saving costs and enhancing safety immediately.

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