5271574
Studded Flange Cap Screw
Cummins®

Introduction

The Studded Flange Cap Screw Assembly, identified by part number 5271574, is a component manufactured by Cummins, a renowned leader in the automotive and heavy-duty truck industry. This assembly is integral to the mechanical systems of heavy-duty trucks, contributing to their overall functionality and performance. Cummins, with its long-standing reputation for quality and innovation, ensures that this component meets the rigorous demands of heavy-duty applications.

Basic Concepts

Studded flange cap screw assemblies are specialized fasteners used in various mechanical systems. They consist of a cap screw with a studded flange that provides additional surface area for mounting and enhanced stability. These assemblies are commonly employed in applications requiring secure and durable fastening solutions, such as in the construction of engine components, transmission systems, and other critical truck assemblies. Their function is to join components securely, distribute loads evenly, and resist vibrational loosening, which is particularly important in the dynamic environment of a heavy-duty truck ¹.

Purpose and Role in Truck Operation

The 5271574 Studded Flange Cap Screw Assembly plays a significant role in the operation of heavy-duty trucks by providing a reliable fastening solution for various engine and transmission components. It ensures that parts remain securely attached under the high stresses and vibrations encountered during truck operation. This assembly contributes to the overall functionality and performance of the vehicle by maintaining the integrity of critical connections, which is vital for the safe and efficient operation of the truck ².

Key Features

The 5271574 Studded Flange Cap Screw Assembly is designed with several key features that enhance its performance and durability. It is typically made from high-strength materials, such as alloy steel, to withstand the demanding conditions of heavy-duty applications. The studded flange design provides additional mounting surface area, improving the stability and load distribution of the fastener. Additionally, the assembly may feature specialized coatings or treatments to resist corrosion and wear, further extending its service life in harsh operating environments ³.

Benefits

Utilizing the 5271574 Studded Flange Cap Screw Assembly offers several benefits. Its robust design and high-strength material composition contribute to improved reliability and performance in heavy-duty truck applications. The enhanced stability provided by the studded flange design helps to prevent loosening under vibration, reducing the risk of component failure. Additionally, the durability and longevity of this assembly can lead to potential cost savings over time by minimizing the need for frequent replacements or repairs.

Installation Process

Proper installation of the 5271574 Studded Flange Cap Screw Assembly is crucial to ensure optimal performance and longevity. The installation process should begin with cleaning the mating surfaces to remove any debris or contaminants. Using the appropriate tools, the assembly should be tightened to the specified torque values to achieve the correct clamping force without over-tightening, which could damage the threads or the component being fastened. It is also important to follow any manufacturer-recommended installation procedures to ensure the assembly functions as intended.

Troubleshooting and Maintenance

Regular inspection and maintenance of the 5271574 Studded Flange Cap Screw Assembly can help to identify potential issues before they lead to component failure. Common troubleshooting steps include checking for signs of corrosion, wear, or loosening. If any issues are detected, the assembly should be tightened or replaced as necessary. Additionally, applying a thread locker or anti-seize compound during installation can help to prevent loosening and corrosion, further prolonging the lifespan of the assembly.

Cummins Overview

Cummins is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the automotive and heavy-duty truck industries. The company’s commitment to excellence is evident in its comprehensive range of components, including the 5271574 Studded Flange Cap Screw Assembly, which is designed to meet the rigorous demands of heavy-duty applications.

Compatibility with Cummins Engines

The Studded Flange Cap Screw Assembly, part number 5271574, manufactured by Cummins, is a critical component used in various engine configurations. This part is designed to secure flanges and other components, ensuring a tight and reliable connection. Below is a detailed description of its compatibility with different Cummins engines:

ISB Series Engines

• ISB CM2150
• ISB/ISD6.7 CM2150 SN
• ISB4.5 CM2350 B104
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISB6.7 G CM2180 B118

ISBE Series Engines

• ISBE CM2150
• ISBE4 CM850

ISC Series Engines

• ISC CM2150
• ISC CM850
• ISC8.3 CM2250

ISL Series Engines

• ISL CM2150
• ISL9 CM2150 SN
• ISL9 CM2250
• ISL9.5 CM2880 L138

ISZ Series Engines

• ISZ13 CM2150 Z105

L9 Series Engines

• L9 CM2670 L128B

QSB Series Engines

• QSB4.5 CM2250 EC
• QSB6.7 CM2250
• QSB6.7 CM2350 B105

B Series Engines

• 6C8.3
• B4.5 CM2350 B129B
• B6.7 CM2350 B135B
• B6.7 CM2670 B153B
• F3.8 CM2350 F128C

Role in Engine Systems

The 5271574 Studded Flange Cap Screw Assembly is an essential component in various engine systems, facilitating secure connections and ensuring the integrity of the assembly.

• Engine Brake (12V) Kit: This assembly is utilized to fasten the brake components securely to the engine block. Its studded flange design allows for a robust connection, which is vital for withstanding the stresses induced during engine braking operations.
• Fuel Filter Location: The Studded Flange Cap Screw Assembly is employed to mount the fuel filter housing to the engine or frame. This ensures that the fuel filter is held firmly in place, preventing any potential leaks or dislodgement that could disrupt fuel flow.
• Fuel Pump: This assembly plays a role in securing the pump to its housing. A stable and leak-proof connection is imperative for the fuel pump to operate efficiently, delivering the correct fuel pressure to the engine.
• Thermostat Housing: The Studded Flange Cap Screw Assembly ensures that the housing is tightly sealed, preventing coolant leaks and ensuring optimal engine performance.
• Location of the Fuel Filter: This assembly is instrumental in mounting the fuel filter to the vehicle’s frame or engine compartment. It provides a stable platform that ensures the filter remains in the correct position, facilitating uninterrupted fuel delivery.
• Fuel Module: The Studded Flange Cap Screw Assembly is used to attach the module to the fuel tank or engine bay. This secure attachment is essential for the module’s proper function, which includes fuel level sensing and delivery.
• Engine Control Mounting: This assembly ensures that the engine control unit (ECU) is firmly attached to the vehicle’s structure. A secure ECU mounting is necessary for accurate engine management and performance.
• Plumbing: In applications within the engine system, such as connecting fuel lines or coolant hoses, the Studded Flange Cap Screw Assembly provides a reliable method for attaching and sealing these connections. This is important for maintaining the integrity of fluid pathways within the engine.

Conclusion

The 5271574 Studded Flange Cap Screw Assembly is a versatile and reliable component that enhances the structural integrity and operational efficiency of various engine systems. Its robust design, high-strength materials, and specialized features make it an essential part for heavy-duty truck applications, ensuring secure and durable fastening solutions in demanding environments.