3093751
Hexagon Head Cap Screw
Cummins®

Introduction

The Hexagon Head Cap Screw is a critical component in commercial trucks, providing secure fastening solutions essential for the integrity and performance of various truck systems. Manufactured by Cummins, a prominent name in the automotive industry, the 3093751 Hexagon Head Cap Screw exemplifies the blend of quality and functionality that Cummins is known for ¹.

Basic Concepts of Hexagon Head Cap Screw

A Hexagon Head Cap Screw is characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. This design ensures a firm grip, reducing the risk of slippage during installation. The screw functions by converting torque into clamping force, which holds components together securely. Its threaded shaft engages with internal threads, creating a strong bond that is vital for the structural integrity of truck assemblies ².

Purpose of the 3093751 Hexagon Head Cap Screw in Truck Operation

The 3093751 Hexagon Head Cap Screw plays a specific role in the assembly and maintenance of commercial trucks. It is utilized in various applications where secure fastening is required, such as in engine components, chassis assemblies, and other critical areas. Its design ensures that components remain firmly in place, contributing to the overall reliability and safety of the truck ³.

Key Features

The 3093751 Hexagon Head Cap Screw boasts several key features that enhance its performance and durability. Its hexagonal head design provides a robust interface for tools, facilitating easy installation and removal. The screw is composed of high-quality materials, typically alloy steel, which offers superior strength and resistance to wear. Additionally, the threading specifications are precision-engineered to ensure optimal engagement and load distribution.

Benefits

The 3093751 Hexagon Head Cap Screw offers a range of benefits that make it a preferred choice for truck manufacturers and maintenance professionals. Its durability ensures long-term performance under demanding conditions. The material composition provides excellent corrosion resistance, protecting the screw from environmental factors that could compromise its integrity. Furthermore, the design of the screw allows for straightforward installation, reducing downtime during maintenance procedures.

Installation Process

Proper installation of the 3093751 Hexagon Head Cap Screw is crucial for ensuring its effectiveness. The process involves selecting the appropriate wrench or socket to match the hexagonal head. The screw should be inserted into the pre-drilled hole and turned clockwise until it achieves the specified torque. Using a torque wrench is recommended to ensure the screw is tightened to the manufacturer’s specifications, preventing over-tightening or under-tightening, both of which can lead to issues.

Troubleshooting and Maintenance

Common issues with the 3093751 Hexagon Head Cap Screw may include loosening due to vibration or corrosion over time. Regular inspections are recommended to identify any signs of wear or damage. If loosening is detected, the screw should be re-tightened to the specified torque. In cases of corrosion, cleaning the affected area and applying a corrosion-resistant coating can help prolong the screw’s lifespan. Proper maintenance practices ensure the screw continues to perform reliably.

Cummins: Manufacturer Overview

Cummins is a distinguished manufacturer with a rich history in the automotive industry. Known for its commitment to quality and innovation, Cummins has established a reputation for producing reliable and high-performance truck components. The company’s dedication to excellence is reflected in its extensive range of products, which are designed to meet the rigorous demands of commercial trucking. Cummins’ focus on research and development ensures that its components, including the 3093751 Hexagon Head Cap Screw, incorporate the latest advancements in technology and materials.

Hexagon Head Cap Screw 3093751 in Cummins Engines

The Cummins-manufactured Hexagon Head Cap Screw part number 3093751 is a critical component in several Cummins engine models. This screw is integral to the assembly and maintenance of the engines, ensuring secure fastening of various parts.

QST30 CM2350 T101 and QST30 CM552

In the QST30 CM2350 T101 and QST30 CM552 engines, the Hexagon Head Cap Screw 3093751 is used in several key areas. It is often employed in the engine’s head assembly, where it helps to secure the cylinder head to the engine block. This ensures that the combustion chamber remains sealed and that the engine operates efficiently.

Additionally, this screw is utilized in the engine’s accessory drive system. It fastens various components such as pulleys and brackets, which are essential for the proper functioning of the engine’s ancillary systems, including the alternator, water pump, and air conditioning compressor.

The use of the Hexagon Head Cap Screw 3093751 in these engines highlights its importance in maintaining the structural integrity and operational efficiency of the engine. Its design allows for precise and reliable fastening, which is crucial in high-stress environments like internal combustion engines.

Role of Part 3093751 Hexagon Head Cap Screw in Engine Systems

The part 3093751 Hexagon Head Cap Screw is integral to the assembly and secure functioning of various engine components. Its application spans across multiple systems, ensuring stability and reliability.

Bracket and Mounting Systems

In the context of brackets and mounting systems, the Hexagon Head Cap Screw is employed to firmly attach brackets to the engine frame. This secures components such as the Engine Control Module (ECM) Mount and Fuel Manifold Mount, providing a stable base for these critical parts.

Breather and Crankcase Systems

Within the breather and crankcase systems, the screw is used to fasten the breather housing to the crankcase. This connection is vital for maintaining the integrity of the ventilation system, which is essential for regulating pressure and preventing the buildup of contaminants.

Camshaft and Gear Assemblies

For camshaft and gear assemblies, the Hexagon Head Cap Screw plays a role in securing the camshaft to its housing and attaching gear components. This ensures precise alignment and operation of the camshaft, which is fundamental for the engine’s timing and performance.

Cleaner and Compressor Systems

In air cleaner and compressor systems, the screw is utilized to mount the air cleaner housing and secure compressor components. This maintains the efficiency of air intake and compression, directly influencing the engine’s air-fuel mixture and overall performance.

Drive and Pump Systems

The screw is also crucial in drive systems, where it secures the front gear train accessory drive and auxiliary pump drive. This ensures the reliable operation of auxiliary systems, such as the fuel pump lifting fixture and auxiliary cooling system, which are essential for engine lubrication and temperature regulation.

Fuel and Lubrication Systems

In fuel systems, the Hexagon Head Cap Screw is used to attach the fuel filter mounting and fuel manifold. This secures the fuel delivery components, ensuring a consistent and clean fuel supply to the injectors. Similarly, in lubrication systems, it fastens the lubricating oil access manifold, guaranteeing proper oil circulation and engine component lubrication.

Guard and Performance Parts

The screw is employed in guard systems, such as the front engine guard and package guard, to protect sensitive engine components from debris and damage. In performance parts, it secures high-performance components, ensuring they operate under optimal conditions.

Accessory Drive and Vent Systems

Finally, in accessory drive systems, the Hexagon Head Cap Screw is used to attach pulleys and drives, ensuring the efficient operation of engine accessories. In vent systems, it secures the vent tube, maintaining the engine’s ventilation and pressure balance.

Overall, the part 3093751 Hexagon Head Cap Screw is a versatile fastener that contributes to the secure and efficient operation of various engine systems.

Conclusion

The 3093751 Hexagon Head Cap Screw by Cummins is a vital component in the assembly and maintenance of commercial trucks and Cummins engines. Its robust design, high-quality materials, and precise engineering ensure secure fastening and long-term performance. Proper installation and maintenance practices are essential to maximize the benefits of this Cummins part, contributing to the overall reliability and safety of truck operations.