4068466
Hexagon Head Cap Screw
Cummins®

Introduction

The Cummins 4068466 Hexagon Head Cap Screw is a specialized fastener designed for use in commercial trucks. It is utilized to secure various components within the truck’s engine and chassis systems. This screw is engineered to withstand the demanding conditions encountered in heavy-duty applications, ensuring reliable performance and durability ¹.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. These screws are commonly used in mechanical assemblies to secure components together. The hexagonal shape of the head provides a stable and secure grip, minimizing the risk of slippage during installation or removal ².

Purpose and Role in Truck Operation

The Cummins 4068466 Hexagon Head Cap Screw plays a significant role in the operation and maintenance of commercial trucks. It is employed in various applications within the truck, including securing engine components, chassis parts, and other critical assemblies. By providing a strong and reliable connection, this screw contributes to the overall stability and performance of the truck ³.

Key Features

The Cummins 4068466 Hexagon Head Cap Screw boasts several key features that enhance its functionality and durability. It is constructed from high-quality materials, ensuring resistance to corrosion and wear. The screw features a specific thread type that provides optimal grip and holding power. Additionally, the hexagonal head design allows for easy installation and removal using standard tools ⁴.

Benefits

Using the Cummins 4068466 Hexagon Head Cap Screw offers several benefits. Its robust construction and precise engineering contribute to improved reliability and longevity. The screw’s design facilitates ease of installation, reducing downtime during maintenance procedures. Furthermore, its resistance to loosening ensures a secure connection, enhancing the overall performance and safety of the truck ⁵.

Installation and Usage Guidelines

Proper installation of the Cummins 4068466 Hexagon Head Cap Screw is crucial for ensuring a secure fit and optimal performance. Follow these step-by-step guidelines for installation:

1. Select the appropriate size and type of screw for the application.
2. Clean the mating surfaces to remove any debris or contaminants.
3. Insert the screw into the designated hole and begin tightening using a wrench or socket.
4. Apply the recommended torque specification to achieve the desired clamping force.
5. Double-check the tightness of the screw to ensure a secure connection ⁶.

Troubleshooting and Maintenance

Common issues associated with Hexagon Head Cap Screws include loosening over time and corrosion. To troubleshoot these problems, regularly inspect the screws for signs of wear or damage. If loosening is detected, re-tighten the screw to the specified torque. To prevent corrosion, apply a suitable lubricant or coating to the screw and surrounding areas. Additionally, perform routine maintenance checks to ensure the longevity and performance of the screw ⁷.

Safety Considerations

When working with Hexagon Head Cap Screws, it is important to observe safety practices to prevent accidents and injuries. Use the appropriate tools and equipment for installation and removal to avoid slippage or damage. Wear personal protective equipment, such as gloves and safety glasses, to protect yourself from potential hazards. Follow all manufacturer guidelines and recommendations for safe handling and usage ⁸.

Cummins Overview

Cummins Inc. is a renowned manufacturer of diesel engines and related technologies. With a rich history spanning over a century, Cummins has established itself as a leader in the commercial truck industry. The company is committed to delivering high-quality and innovative truck components, including fasteners like the Cummins 4068466 Hexagon Head Cap Screw. Cummins’ dedication to excellence ensures that their products meet the demanding requirements of heavy-duty applications ⁹.

Cummins Engine Part 4068466: Hexagon Head Cap Screw

The Cummins part number 4068466, a Hexagon Head Cap Screw, is a critical component in the assembly and maintenance of several Cummins engine models. This screw is designed to provide secure fastening in various engine applications, ensuring that parts remain tightly connected under operational stresses ¹⁰.

Application in Cummins Engines

K19, QSK50 CM2150 MCRS, QST30 CM2350 T101, QST30 CM552

The Hexagon Head Cap Screw (part 4068466) is utilized across multiple Cummins engine models, including the K19, QSK50 CM2150 MCRS, QST30 CM2350 T101, and QST30 CM552. These engines, known for their robust performance and reliability, require precise and durable fasteners to maintain their operational integrity ¹¹.

K19

In the K19 engine, the Hexagon Head Cap Screw is used in various applications where secure fastening is essential. This includes securing engine components and ensuring that parts remain aligned and tightly connected throughout the engine’s operational cycles ¹².

QSK50 CM2150 MCRS

For the QSK50 CM2150 MCRS engine, the Hexagon Head Cap Screw is integral to the assembly of critical components. Its design allows for easy installation and removal, facilitating efficient maintenance and repair processes ¹³.

QST30 CM2350 T101

In the QST30 CM2350 T101 engine, this screw is employed in areas where high-strength fastening is necessary. The robust design of the Hexagon Head Cap Screw ensures that it can withstand the stresses and vibrations encountered during engine operation ¹⁴.

QST30 CM552

Similarly, in the QST30 CM552 engine, the Hexagon Head Cap Screw is used to secure various parts, ensuring that the engine maintains its structural integrity and operational efficiency. Its design provides a reliable fastening solution that is essential for the engine’s performance ¹⁵.

Role of Part 4068466 Hexagon Head Cap Screw in Engine Systems

In the intricate world of engine systems, the part 4068466 Hexagon Head Cap Screw serves as a vital component in ensuring the secure assembly and reliable operation of various engine components. Its application spans across several key areas, each contributing to the overall efficiency and performance of the engine ¹⁶.

Belt Tensioner Assembly

Within the belt tensioner assembly, the 4068466 Hexagon Head Cap Screw is instrumental in maintaining the correct tension of the drive belts. This is essential for the efficient transfer of power from the engine to auxiliary components such as the alternator, water pump, and air conditioning compressor. Proper tension ensures that these components operate smoothly and efficiently, reducing the risk of belt slippage or failure ¹⁷.

Drive System Integration

In the drive system, this screw plays a significant role in securing components that are pivotal for the engine’s operation. It is used to fasten parts that ensure the smooth rotation and alignment of the drive components, which is vital for the consistent performance of the engine. The secure fastening provided by the screw helps in minimizing vibrations and wear, thereby enhancing the longevity of the drive system ¹⁸.

Fan and Fan Drive Assemblies

The fan and fan drive assemblies are critical for maintaining optimal engine temperature. The 4068466 Hexagon Head Cap Screw is employed to secure the fan to its housing and the fan drive to the engine. This ensures that the fan operates at the correct speed and angle, providing adequate cooling to the engine. The screw’s robust design is particularly important in withstanding the high temperatures and dynamic loads associated with these assemblies ¹⁹.

Idle and Idler Assemblies

In the fan drive idle and idler assemblies, the screw is used to secure components that allow the fan to engage and disengage as needed. This is important for managing engine temperature under varying operating conditions. The screw ensures that these components remain firmly in place, allowing for precise control of the fan’s operation and contributing to the engine’s thermal management system ²⁰.

Conclusion

Overall, the 4068466 Hexagon Head Cap Screw is a fundamental component in the assembly and operation of various engine systems. Its role in securing and maintaining the integrity of these systems is essential for the reliable and efficient performance of the engine ²¹.