3936013
Injector Fuel Supply Tube
Cummins®

The Cummins 3936013 Adjusting Screw Retainer is a component designed to secure adjusting screws within the systems of heavy-duty trucks. Its purpose is to maintain the precise positioning of these screws, which are integral to the operation and calibration of various truck systems. By ensuring that the adjusting screws remain in place, the retainer contributes to the overall efficiency and reliability of the truck’s performance ¹.

Function and Operation

The Adjusting Screw Retainer operates by securing the adjusting screws in their designated positions. It interacts with other components by providing a stable platform for the screws, allowing for fine-tuning adjustments without the risk of displacement. This stability is crucial for the consistent operation of the truck’s systems, as it ensures that the adjustments made are maintained over time and under varying conditions ².

Key Features

The design of the 3936013 Adjusting Screw Retainer incorporates features that enhance its durability and precision. Constructed from high-quality materials, it is engineered to withstand the rigors of heavy-duty truck environments. Its design allows for easy installation and removal, facilitating maintenance and adjustments. The precision engineering of the retainer ensures that it fits securely around the adjusting screws, providing a reliable hold ².

Role in Truck Operation

In the operation of heavy-duty trucks, the Adjusting Screw Retainer plays a role by ensuring the proper function of adjusting screws. These screws are often used to fine-tune various components within the truck, such as fuel injectors or valve mechanisms. By securely holding these screws in place, the retainer contributes to the accurate calibration and performance of these components, which in turn affects the truck’s overall operation and reliability ².

Benefits

Utilizing the Cummins 3936013 Adjusting Screw Retainer offers several advantages. It provides enhanced stability for the adjusting screws, reducing the likelihood of unintended movement that could lead to performance issues. Additionally, the durable construction of the retainer contributes to reduced wear on the screws and surrounding components, leading to longer intervals between maintenance checks. This can result in increased efficiency and reduced downtime for the truck ².

Installation Guidelines

For the correct installation of the Adjusting Screw Retainer, it is important to follow a series of steps to ensure optimal performance and longevity. First, identify the location where the retainer is to be installed. Then, align the retainer with the adjusting screw and secure it in place according to the manufacturer’s specifications. It is crucial to ensure that the retainer is properly seated to avoid any potential issues with the adjusting screw’s operation ².

Maintenance Tips

To prolong the life of the Adjusting Screw Retainer and ensure continued reliable operation, regular maintenance practices are recommended. Inspecting the retainer for signs of wear or damage during routine maintenance checks can help identify potential issues before they lead to more significant problems. Cleaning the retainer and its surrounding area can also prevent the accumulation of debris that might affect its function ².

Troubleshooting Common Issues

Common problems associated with the Adjusting Screw Retainer may include loosening of the retainer over time or damage due to environmental factors. If the retainer becomes loose, it should be re-secured according to the installation guidelines. In cases of damage, assessing the extent of the issue will determine whether repair or replacement is necessary. Regular inspections can help identify these issues early, allowing for timely adjustments or replacements ².

Manufacturer Overview - Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a history of innovation and expertise in the diesel engine industry, Cummins is committed to providing reliable and efficient power solutions for various applications, including heavy-duty trucks. The company’s dedication to quality and performance is evident in its product offerings, including the 3936013 Adjusting Screw Retainer ².

Cummins Adjusting Screw Retainer 3936013 in Engine Applications

The Cummins Adjusting Screw Retainer part number 3936013 is a critical component in several engine configurations. This part is designed to secure the adjusting screw in place, ensuring that the engine’s operational parameters are maintained within the specified tolerances ².

Engine 4B3.9

In the Cummins 4B3.9 engine, the Adjusting Screw Retainer 3936013 plays a pivotal role in maintaining the engine’s performance. This engine is known for its reliability and efficiency, often used in various industrial applications. The retainer ensures that the adjusting screw, which is crucial for fine-tuning engine operations, remains securely fastened. This helps in maintaining optimal engine performance and longevity ².

Grouping of Engines

The 4B3.9 engine is part of a series of Cummins engines where the Adjusting Screw Retainer 3936013 is utilized. This part is designed to fit seamlessly into these engines, providing a reliable method for securing the adjusting screw. The commonality in design across these engines allows for easier maintenance and repair, as the same part can be used across multiple engine models. This standardization helps in reducing downtime and maintenance costs, making it a preferred choice for many engine operators ².

Role of Part 3936013 Adjusting Screw Retainer in Engine Systems

The Adjusting Screw Retainer, part 3936013, is integral to the precise operation of various engine systems. It ensures the stability and correct positioning of adjusting screws within these systems, which is essential for maintaining optimal performance and efficiency ².

In the fuel plumbing system, the Adjusting Screw Retainer secures the adjusting screws that control the flow of fuel. This is vital for maintaining the correct fuel pressure and delivery, which directly affects engine performance and fuel efficiency.

Within the fuel pump plumbing, the retainer plays a similar role. It holds the adjusting screws in place, allowing for fine-tuning of the fuel pump’s output. This ensures that the engine receives a consistent and appropriate amount of fuel, which is necessary for smooth operation and reliable performance.

For the injector fuel supply tube, the Adjusting Screw Retainer is used to secure screws that adjust the fuel flow to the injectors. Proper adjustment here is key to ensuring that each injector delivers the correct amount of fuel, which is essential for balanced combustion and efficient engine operation.

In general plumbing applications related to fuel systems, the retainer ensures that adjusting screws remain in their intended positions. This is important for the overall integrity and functionality of the fuel delivery system, helping to prevent leaks and maintain consistent fuel pressure.

Overall, the Adjusting Screw Retainer, part 3936013, is a small but significant component that contributes to the reliable and efficient operation of engine fuel systems. Its role in securing adjusting screws ensures that these systems can be finely tuned for optimal performance ².

Conclusion

The Cummins 3936013 Adjusting Screw Retainer is a vital component in the maintenance and operation of heavy-duty trucks and engines. Its design and function contribute to the stability and precision of adjusting screws, which are crucial for the calibration and performance of various truck and engine systems. By ensuring that these screws remain securely in place, the retainer plays a significant role in maintaining the efficiency, reliability, and longevity of the truck’s and engine’s performance. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.