3081348
Hexagon Head Cap Screw
Cummins®

The Hexagon Head Cap Screw is a fundamental component in the assembly and maintenance of commercial trucks. It is instrumental in securing various parts and assemblies, thereby contributing to the overall integrity and performance of the vehicle. This screw is particularly significant in heavy-duty applications where durability and reliability are paramount.

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. The design of these screws facilitates secure fastening in mechanical assemblies. Typically, they are made from materials such as alloy steel or stainless steel, chosen for their strength, corrosion resistance, and ability to withstand high levels of stress ¹.

Purpose of the 3081348 Hexagon Head Cap Screw in Truck Operations

The 3081348 Hexagon Head Cap Screw by Cummins plays a specific role in the operation and maintenance of commercial trucks. It is used in various applications within truck assemblies, such as securing engine components, transmission parts, and chassis elements. Its design ensures a robust connection that can endure the rigors of heavy-duty use ².

Key Features of the 3081348 Hexagon Head Cap Screw

The 3081348 Hexagon Head Cap Screw features a hexagonal head that provides a firm grip for tools, minimizing the risk of cam-out during installation or removal. The screw has precise threading specifications to ensure a secure fit, and Cummins employs unique manufacturing processes to enhance its performance. These processes may include heat treatment to increase strength and durability ³.

Benefits of Using the 3081348 Hexagon Head Cap Screw

The 3081348 Hexagon Head Cap Screw offers several advantages. Its enhanced durability makes it suitable for heavy-duty applications, while its design facilitates easy installation. Additionally, the screw’s resistance to loosening under vibration ensures a lasting and secure connection, reducing the need for frequent maintenance.

Installation and Usage Guidelines

Proper installation of the 3081348 Hexagon Head Cap Screw involves several steps. Begin by ensuring the mating surfaces are clean and free of debris. Use the appropriate wrench or socket to tighten the screw to the specified torque, which can be found in the manufacturer’s guidelines. Employing the correct tools and following torque specifications ensures a secure and lasting fit.

Troubleshooting Common Issues

Common problems with Hexagon Head Cap Screws include stripping and corrosion. To address stripping, ensure the correct tool size is used and avoid over-tightening. Corrosion can be mitigated by selecting screws made from corrosion-resistant materials and applying protective coatings where necessary. Regular inspection and maintenance can help identify and resolve these issues promptly.

Maintenance Tips

To prolong the life of the 3081348 Hexagon Head Cap Screw, regular maintenance is recommended. This includes periodic inspection for signs of wear or damage, and re-tightening as necessary to maintain a secure connection. Keeping the screw and surrounding areas clean can also prevent corrosion and extend the component’s lifespan.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and quality, Cummins is committed to providing reliable and efficient solutions for the automotive industry. Their product range includes a variety of components designed to enhance the performance and durability of commercial vehicles.

Hexagon Head Cap Screw 3081348 in Cummins Engines

The Hexagon Head Cap Screw 3081348, manufactured by Cummins, is a critical component in various Cummins engine models. This screw is integral in securing different parts and assemblies within the engine, ensuring structural integrity and operational efficiency.

ISM Series Engines

In the ISM series, the screw is utilized in:

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

These engines, known for their robust performance, rely on the 3081348 screw to maintain the alignment and stability of various engine components.

L10 Series Engines

For the L10 series engines, the screw is essential in:

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

The 3081348 screw ensures the secure fastening of parts in these engines, contributing to their reliable operation.

M11 Series Engines

In the M11 series, the screw is used in:

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

The 3081348 screw plays a vital role in maintaining the integrity of the engine’s components in these models.

QSM11 Series Engines

For the QSM11 series, the screw is a key component in:

• QSM11 CM570
• QSM11 CM876

The 3081348 screw ensures the secure fastening of parts in these engines, contributing to their performance and durability.

Part 3081348 Hexagon Head Cap Screw Component Usage

The part 3081348 Hexagon Head Cap Screw is instrumental in the assembly and maintenance of various engine systems. Its robust design and secure fit make it an essential component in ensuring the integrity and functionality of the following systems:

Accessories

In accessory systems, the Hexagon Head Cap Screw is used to mount and secure components such as the auxiliary pump and the coolant heater starting aid. This ensures that these accessories remain firmly in place, allowing them to function efficiently without the risk of detachment or misalignment.

Alternator Kit

Within the alternator kit, the Hexagon Head Cap Screw plays a key role in mounting the alternator. Proper securing of the alternator is vital for its stable operation, ensuring consistent power generation and reliable electrical system performance.

Turbocharger

For turbocharger systems, the Hexagon Head Cap Screw is utilized in the arrangement and connection of various components. It helps in maintaining the structural integrity of the turbocharger, ensuring that all parts are tightly secured for optimal performance and durability.

Air Intake and Drive Systems

In air intake systems, the screw is employed in the mounting of the air intake manifold and the drive components. This secure attachment is essential for maintaining the airflow efficiency and ensuring that the drive components operate smoothly.

Cooling System

The Hexagon Head Cap Screw is also integral in the cooling system, particularly in the mounting and plumbing of the oil cooler, coolant heater starting aid, and radiator. It ensures that all connections are tight, preventing leaks and maintaining the efficiency of the cooling process.

Fan and Fan Clutch

In fan and fan clutch systems, the screw is used in the mounting kit to secure the fan and fan clutch. This secure attachment is crucial for the effective operation of the cooling fan, ensuring that it can dissipate heat efficiently.

Filters and Plumbing

For full flow oil filters and various plumbing connections such as oil cooler water and coolant heater starting aid, the Hexagon Head Cap Screw ensures that all components are securely fastened. This is important for maintaining the integrity of the fluid pathways and preventing any potential leaks.

Corrosion Resistor

Lastly, in systems where corrosion resistance is a concern, the Hexagon Head Cap Screw provides a reliable means of securing components while withstanding corrosive environments. This helps in prolonging the lifespan of the engine systems and ensuring their reliable operation over time.

Conclusion

The 3081348 Hexagon Head Cap Screw is a vital component in the assembly and maintenance of commercial trucks and Cummins engines. Its robust design, secure fit, and resistance to corrosion make it an essential part in ensuring the integrity and functionality of various engine systems. Proper installation, regular maintenance, and addressing common issues such as stripping and corrosion are key to maximizing the lifespan and performance of this Cummins part.