4001159
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Hexagonal Flange Head Cap Screw (Part #4001159) manufactured by Cummins is a specialized fastener designed for use in commercial trucks. This screw is integral to ensuring reliable truck operations by providing secure fastening solutions in various mechanical components. Its robust design and high-quality materials make it suitable for demanding applications where durability and performance are paramount ¹.

Basic Concepts

Hexagonal Flange Head Cap Screws are engineered with a hexagonal head and a flanged base. The hexagonal head allows for efficient torque application using standard tools, while the flange distributes load and prevents the screw from sinking into the material. Within a truck’s mechanical system, these screws play a role in securing critical components, ensuring that parts remain firmly in place under operational stress ².

Purpose and Role in Truck Operation

This Cummins part serves a specific purpose in commercial trucks by securing components that are subject to vibration and high stress. It contributes to the overall functionality and performance of the vehicle by maintaining the integrity of fastened joints, which is vital for the safe and efficient operation of the truck ³.

Key Features

The primary features of the 4001159 Hexagonal Flange Head Cap Screw include its hexagonal flange head design, which facilitates easy and secure tightening. The screw is composed of high-strength materials, ensuring durability and resistance to wear. Additionally, the flanged base provides enhanced load distribution, reducing the risk of the screw pulling through the material.

Benefits

Using the 4001159 Hexagonal Flange Head Cap Screw offers several advantages. It provides improved fastening security due to its design, which resists loosening under vibration. The screw’s material composition enhances its load-bearing capabilities, making it suitable for heavy-duty applications. Furthermore, the flanged head contributes to a more even distribution of force, prolonging the lifespan of both the screw and the fastened components.

Installation and Usage

Proper installation of the 4001159 Hexagonal Flange Head Cap Screw involves using the recommended torque settings to ensure a secure fit without over-tightening, which could lead to damage. It is compatible with various applications within commercial trucks, and best practices include using the appropriate tools and following manufacturer guidelines to achieve optimal performance.

Troubleshooting and Maintenance

Common issues with the 4001159 Hexagonal Flange Head Cap Screw may include corrosion, stripping, or loosening. Identifying these problems early allows for timely intervention. Routine maintenance practices, such as regular inspections and re-torquing as needed, help prolong the screw’s lifespan and ensure continued reliability. Additionally, protecting the screw from environmental factors can prevent corrosion and extend its service life.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to quality, innovation, and customer satisfaction. With a rich history of producing reliable and high-performance components, Cummins has established a strong reputation for delivering products that meet the demanding requirements of commercial trucking. The company’s dedication to excellence is reflected in its comprehensive range of offerings, including the 4001159 Hexagonal Flange Head Cap Screw.

Hexagonal Flange Head Cap Screw 4001159 in Cummins Engines

The Hexagonal Flange Head Cap Screw 4001159, manufactured by Cummins, is a critical component in several of their engine models. This part is integral to the assembly and maintenance of the engines, ensuring secure fastening and structural integrity.

QSK45 CM500 and QSK60 CM500

In the QSK45 CM500 and QSK60 CM500 engines, this screw is utilized in various applications where a robust and reliable fastening solution is required. These engines, known for their power and efficiency, benefit from the precision and durability of this screw in maintaining the alignment and stability of critical engine components.

QSK60 CM850 MCRS and QSK78 CM500

For the QSK60 CM850 MCRS and QSK78 CM500 engines, this screw plays a crucial role in the assembly of the engine’s structural framework. Its hexagonal flange head design provides a secure grip, essential for the high-stress environments these engines operate in. The screw’s ability to withstand significant torque and pressure makes it an ideal choice for these applications.

QSV91-G4 CM558/CM700 V102 and QSV91G

In the QSV91-G4 CM558/CM700 V102 and QSV91G engines, this screw is employed in areas where precise fastening is critical. These engines, designed for heavy-duty applications, require components that can endure rigorous conditions. The screw’s design ensures that it maintains its integrity and functionality under such demanding circumstances.

Z14 CM2670 Z103B

The Z14 CM2670 Z103B engine also incorporates this screw in its assembly. This engine, known for its reliability and performance, relies on the screw’s ability to provide a strong and secure fastening solution. The screw’s use in this engine highlights its versatility and effectiveness across different engine models.

Role of Part 4001159 Hexagonal Flange Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the 4001159 Hexagonal Flange Head Cap Screw serves as a vital fastening element, ensuring the secure attachment of various components. This screw is instrumental in maintaining the structural integrity and operational efficiency of the engine.

Block Assembly

Within the engine block, the Hexagonal Flange Head Cap Screw is utilized to fasten critical components such as the cylinder heads. This secure attachment is essential for maintaining the precise alignment and sealing of the combustion chambers, which directly influences the engine’s performance and durability.

Compressor Integration

In systems incorporating a compressor, such as those found in refrigeration units or air conditioning systems, this screw plays a role in securing the compressor to its mounting bracket. This ensures that the compressor remains stable during operation, reducing vibrations and potential wear on the system.

Refrigerant System Connections

When dealing with refrigerant systems, the screw is often used to secure fittings and connections. This is particularly important in ensuring that there are no leaks in the system, as even minor leaks can significantly impact the efficiency of the refrigeration cycle.

Drive Mechanism

In drive mechanisms, the Hexagonal Flange Head Cap Screw is employed to fasten components such as the drive belt tensioner or pulleys. This secure attachment is vital for maintaining the correct tension on the drive belt, which is crucial for the efficient transfer of power within the engine system.

Water Pump Assembly

For engines that incorporate a water pump, the screw is used to secure the pump housing or impeller. This ensures that the water pump operates efficiently, providing consistent coolant flow to regulate engine temperature and prevent overheating.

Leak Test Kit Application

During maintenance or installation, the Hexagonal Flange Head Cap Screw may be used in conjunction with a leak test kit to secure testing equipment to the engine. This allows for accurate detection of leaks in the system, ensuring that all components are properly sealed and functioning as intended.

Module Attachment

In modern engines that feature various electronic control modules, the screw is often used to secure these modules to the engine block or other structural components. This ensures that the modules remain in place and are protected from vibrations and environmental factors.

Fuel Control System

Finally, in fuel control systems, the Hexagonal Flange Head Cap Screw is utilized to secure fuel injectors or other components. This ensures that the fuel system operates efficiently, delivering the correct amount of fuel to the engine for optimal performance.

Conclusion

The 4001159 Hexagonal Flange Head Cap Screw by Cummins is a critical component in the assembly and maintenance of commercial truck engines. Its robust design, high-quality materials, and secure fastening capabilities make it an essential part for ensuring the structural integrity and operational efficiency of various engine systems. Proper installation, maintenance, and understanding of its role in different engine models are crucial for maximizing the performance and longevity of these engines.