3017502
Hexagon Head Cap Screw
Cummins®

Introduction

The Cummins 3017502 Hexagon Head Cap Screw is a specialized fastener designed for heavy-duty truck applications. It secures various components within the truck’s engine and chassis systems, ensuring they remain firmly in place under demanding operational conditions.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is characterized by its hexagonal head, allowing for efficient tightening and loosening using standard tools. The screw’s design includes external threading that engages with internal threads in the component it secures, providing a strong and reliable fastening solution. The cap at the end of the screw protects the threaded portion from debris and corrosion while distributing the force applied during tightening more evenly.

Purpose and Role in Truck Operation

This Cummins part plays a significant role in heavy-duty truck operations by securing critical components such as engine mounts, exhaust systems, and chassis parts. Its robust design ensures that these components remain fixed, even under the high stress and vibrations typical of heavy-duty truck environments. This fastener contributes to the overall reliability and performance of the truck by maintaining the integrity of the secured components.

Key Features

This part is crafted from high-quality materials, typically a grade of steel that offers excellent strength and durability. It features precise threading that ensures a secure fit and reduces the risk of loosening over time. The hexagonal head is designed for compatibility with standard tools, facilitating easy installation and removal. Additionally, the screw may include features such as a corrosion-resistant coating to enhance its longevity in harsh environments.

Benefits

The 3017502 offers several benefits, including high durability due to its material composition and precise manufacturing. Its design resists loosening, which is crucial for maintaining the integrity of the fastened components. The use of standard tools for installation and removal enhances convenience and efficiency during maintenance procedures.

Installation Guidelines

To ensure optimal performance and longevity, this part should be installed following specific guidelines. Begin by cleaning the mating surfaces to remove any debris or corrosion. Use a torque wrench to tighten the screw to the manufacturer’s specified torque settings, ensuring it is secure without over-tightening, which could damage the threads or the component. Regularly inspect the screw for signs of wear or loosening during routine maintenance checks.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening due to vibration or corrosion. To address these issues, regularly inspect screws for signs of wear, corrosion, or loosening. If a screw appears loose, tighten it to the specified torque settings. In cases of significant corrosion, consider replacing the screw to prevent failure. Applying a thread locker can also help prevent loosening in high-vibration environments.

Safety Considerations

When working with Hexagon Head Cap Screws, it is important to observe safety practices to prevent injury and ensure the fastener’s proper function. Use the correct tools and torque settings to avoid over-tightening, which can damage the screw or the component. Wear appropriate personal protective equipment (PPE) when performing maintenance tasks. Be aware of the screw’s location within the truck’s systems to avoid accidental contact with moving parts.

Cummins Overview

Cummins Inc. 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 itself as a trusted name in the automotive and heavy-duty truck industry, providing innovative solutions that enhance the performance, efficiency, and reliability of vehicles and equipment.

Hexagon Head Cap Screw (Part 3017502) in Cummins Engines

The Hexagon Head Cap Screw, part number 3017502, is a critical component in various Cummins engines, ensuring the secure fastening of parts within the engine assembly. This screw is designed to provide reliable and robust connections, which is essential for maintaining the integrity and performance of the engine.

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN

The ISM series engines utilize the Hexagon Head Cap Screw in several key areas. These engines are known for their durability and efficiency, and the use of part 3017502 ensures that critical components remain securely fastened under varying operational conditions.

L10 Series Engines

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

In the L10 series engines, the Hexagon Head Cap Screw is used to maintain the structural integrity of the engine. These engines are designed for a range of applications, and the reliable fastening provided by part 3017502 is crucial for their performance.

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

The M11 series engines also benefit from the use of the Hexagon Head Cap Screw. These engines are known for their advanced technology and performance, and the secure fastening provided by part 3017502 is essential for maintaining their high standards.

QSM11 Series Engines

• QSM11 CM570
• QSM11 CM876

The QSM11 series engines incorporate the Hexagon Head Cap Screw to ensure that all components are securely fastened. These engines are designed for specific applications, and the reliability of part 3017502 is critical for their operation.

QST30 Series Engines

• QST30 CM2350 T101
• QST30 CM552

In the QST30 series engines, the Hexagon Head Cap Screw is used to maintain the structural integrity and secure connections within the engine. These engines are designed for specific tasks, and the dependable fastening provided by part 3017502 is essential for their performance.

Role of Part 3017502 Hexagon Head Cap Screw in Engine Systems

The 3017502 is instrumental in securing and maintaining the integrity of various components within engine systems. Its application spans across multiple critical areas, ensuring the efficient operation and durability of the engine.

Turbocharger and Compressor Systems

In turbocharger and compressor systems, the Hexagon Head Cap Screw is used to fasten the housing to the engine block or manifold. This secure attachment is vital for maintaining the alignment and structural integrity of the turbocharger, which is essential for efficient air compression and delivery to the engine.

Exhaust Manifold and Mounting

The screw plays a significant role in attaching the exhaust manifold to the engine. This connection ensures that the manifold remains securely in place, allowing for the effective channeling of exhaust gases away from the engine. Additionally, it is used in the exhaust mounting manifold to provide a stable and leak-free joint.

Fuel Injection and Supply Systems

Within the fuel injection system, the Hexagon Head Cap Screw is employed to secure the injector and the injector fuel supply tube. This ensures a consistent and precise fuel delivery to the engine cylinders, which is fundamental for optimal combustion and performance.

Cooling and Lubrication Systems

In the auxiliary cooling system, the screw is used to attach the thermostat housing and the thermostat itself. This secure fitting is important for maintaining the correct engine operating temperature. Similarly, in the lubricating oil system, it helps in fastening components that ensure the proper circulation and filtration of oil, which is essential for reducing friction and wear within the engine.

Drive and Fan Systems

The Hexagon Head Cap Screw is also utilized in drive and fan systems to secure the fan to its housing or the engine. This ensures that the fan operates efficiently to provide the necessary cooling for the engine and other components.

Performance and Package Installation

For performance parts and product installation, the screw is often used to attach various modules and packages to the engine. This includes securing performance-enhancing components such as the turbo & aftercooled system and the turbocharger and non-aftercooler setups. Its use ensures that these high-performance parts are firmly in place, allowing them to function as intended without risk of detachment or misalignment.

Vent and Filter Systems

In vent tube and filter systems, the Hexagon Head Cap Screw is employed to secure components that manage the flow of air and fluids. This includes attaching vent tubes that release pressure and filters that ensure clean air and fluid intake, both of which are vital for engine health and performance.

Conclusion

Overall, the 3017502 is a versatile fastener that contributes to the reliable operation of numerous engine components, playing a key role in maintaining the structural integrity and functional efficiency of the engine system. Its robust design and precise manufacturing ensure that it can withstand the demanding conditions of heavy-duty truck applications, providing a secure and durable fastening solution for critical components.