110058
Fuel Pump Adjusting Nut
Cummins®

The Fuel Pump Adjusting Nut 110058 by Cummins is designed to regulate fuel pressure within the fuel system of commercial trucks. This ensures the engine receives a consistent and optimal fuel supply, which is essential for efficient operation and performance.

Purpose and Function

This part allows for the fine-tuning of fuel pressure, which is important for maintaining correct fuel delivery to the engine. By regulating fuel pressure, it ensures that the fuel system operates within specified parameters, contributing to the reliability and efficiency of the truck’s engine ².

Key Features

The Fuel Pump Adjusting Nut 110058 features a robust design and high-quality materials that enhance its durability and performance. It includes a precision-machined surface for accurate adjustments, corrosion-resistant materials to withstand harsh environments, and a design that integrates seamlessly with Cummins fuel systems. These features contribute to consistent and reliable fuel pressure regulation ¹.

Benefits

Using this Cummins part offers several advantages. It improves fuel efficiency by ensuring the engine receives the precise amount of fuel needed for optimal operation. Consistent fuel delivery enhances engine performance, reducing the likelihood of misfires and other fuel-related issues. Additionally, the durability of the adjusting nut means it can withstand the rigors of commercial use, providing long-term reliability ².

Installation and Adjustment

Proper installation and adjustment of the Fuel Pump Adjusting Nut 110058 are important for its effective operation. The installation process involves securing the nut in place within the fuel system and making initial adjustments to set the desired fuel pressure. Adjustments should be made in small increments, with the engine running, to fine-tune the fuel pressure to the manufacturer’s specifications. It is important to follow best practices and safety precautions during installation and adjustment to ensure the component’s optimal performance and longevity ².

Troubleshooting Common Issues

Common issues associated with the Fuel Pump Adjusting Nut may include inconsistent fuel pressure, difficulty in making adjustments, or corrosion. Troubleshooting these issues involves checking the nut for proper installation, ensuring that adjustments are made correctly, and inspecting for signs of corrosion or damage. Preventive maintenance practices, such as regular inspection and cleaning, can help mitigate these issues and ensure the component’s continued reliable operation ².

Maintenance Tips

Regular maintenance is key to ensuring the longevity and optimal performance of the Fuel Pump Adjusting Nut 110058. This includes periodic inspection for signs of wear, corrosion, or damage, and cleaning the nut and its surrounding components to prevent buildup that could affect its operation. Following a maintenance schedule that aligns with the manufacturer’s recommendations can help identify and address potential issues before they lead to more significant problems ².

Manufacturer Overview - Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established itself as a leader in the diesel engine manufacturing industry, known for its commitment to quality, innovation, and customer satisfaction. The company’s expertise in engine technology and its dedication to advancing the industry are reflected in its wide range of products, including the Fuel Pump Adjusting Nut 110058.

Cummins Fuel Pump Adjusting Nut 110058 Compatibility

The Cummins Fuel Pump Adjusting Nut, part number 110058, is a crucial component for maintaining the proper operation of the fuel pump in various engine models. This part is designed to fit seamlessly with several Cummins engines, ensuring precise adjustments and optimal performance.

Compatible Engines

• K19
• K38
• K50
• L10 MECHANICAL
• M11 CELECT PLUS
• M11 MECHANICAL
• N14 MECHANICAL
• NH/NT 855
• V28
• V903

Grouping of Compatible Engines

The Fuel Pump Adjusting Nut 110058 is engineered to be compatible with a diverse range of engines, grouped into several categories:

1. K Series Engines

   • K19
   • K38
   • K50

2. L Series Engines

   • L10 MECHANICAL

3. M Series Engines

   • M11 CELECT PLUS
   • M11 MECHANICAL

4. N Series Engines

   • N14 MECHANICAL

5. NH/NT Series Engines

   • NH/NT 855

6. V Series Engines

   • V28
   • V903

This compatibility ensures that the 110058 part can be utilized across a broad spectrum of Cummins engines, facilitating ease of maintenance and repair.

Role of Part 110058 Fuel Pump Adjusting Nut in Engine Systems

The Fuel Pump Adjusting Nut 110058 is integral to the precise operation of various engine components, ensuring optimal performance and efficiency. It is specifically designed to fine-tune the fuel delivery system by adjusting the fuel pump’s output.

In systems featuring an Aftercooler, the adjusting nut helps maintain the correct fuel pressure post-cooling, ensuring that the air-fuel mixture remains optimal for combustion. Conversely, in Non-Aftercooler setups, it plays a role in directly regulating fuel pressure to compensate for the absence of cooling, thus maintaining engine performance.

For Variable Speed engines, the nut is essential in adapting fuel delivery to varying operational speeds, ensuring consistent power output and efficiency. In Multi-Unit Throttle Control systems, it synchronizes fuel pump performance across multiple units, promoting uniform engine operation.

In conjunction with the Governor Housing and Governor, the adjusting nut ensures that fuel delivery is in harmony with the engine’s load demands, facilitating smooth acceleration and deceleration.

The nut also interfaces with the Pressure Regulator Valve, fine-tuning the fuel pressure to prevent over or under-fueling, which could lead to inefficient combustion or increased emissions.

Within the Fuel Transfer Assembly and Fuel Injection systems, it ensures that the fuel is delivered at the precise pressure required for optimal atomization and combustion, directly influencing engine power and fuel economy.

In summary, the Fuel Pump Adjusting Nut 110058 is a key component in maintaining the delicate balance of fuel delivery across a variety of engine systems, directly impacting overall engine performance, efficiency, and reliability.

Conclusion

The Fuel Pump Adjusting Nut 110058 by Cummins plays a significant role in ensuring the efficient and reliable operation of commercial truck engines. Its precise regulation of fuel pressure contributes to optimal engine performance, fuel efficiency, and long-term reliability. Proper installation, regular maintenance, and troubleshooting of common issues are essential for maximizing the benefits of this component.