3279056
Hexagon Head Cap Screw
Cummins®

Introduction

The Hexagon Head Cap Screw, part number 3279056, is a crucial component in commercial truck maintenance, manufactured by Cummins. This screw is essential for securely fastening various truck components, enhancing the vehicle’s reliability and performance.

Basic Concepts of Hexagon Head Cap Screws

Hexagon Head Cap Screws are distinguished by their hexagonal head, facilitating efficient tightening and loosening with a wrench or socket. This design ensures a firm grip, minimizing slippage during installation. In automotive applications, cap screws are valued for their strength and durability in fastening critical components under various operational conditions ¹.

Role of the 3279056 Hexagon Head Cap Screw in Truck Operation

This Cummins part is vital in the operation and maintenance of commercial trucks. It is used in components where secure fastening is critical, such as engine mounts, transmission housings, and chassis components. The screw’s design ensures these parts remain firmly in place, contributing to the truck’s stability and performance ².

Key Features of the 3279056 Hexagon Head Cap Screw

The 3279056 Hexagon Head Cap Screw is made from high-strength materials, offering resistance to wear and tear. It features a specific thread type for a secure fit and may include a corrosion-resistant coating to extend its lifespan in demanding environments ³.

Benefits of Using the 3279056 Hexagon Head Cap Screw

Using this screw provides improved fastening strength, ensuring components remain securely attached under various operational conditions. Its resistance to loosening reduces the need for frequent maintenance checks, enhancing overall truck reliability. Additionally, its compatibility with various truck components makes it a versatile choice for maintenance professionals.

Installation and Usage Guidelines

Proper installation of the 3279056 Hexagon Head Cap Screw is essential for a secure fit. Follow torque specifications provided by the manufacturer to avoid over-tightening or under-tightening. Use the appropriate wrench or socket to achieve the specified torque, ensuring the screw is installed at the correct angle and depth.

Troubleshooting Common Issues

Common issues with Hexagon Head Cap Screws include stripping or corrosion. Stripping can occur if the screw is over-tightened or if the wrong tool is used. To prevent this, use the correct tool and adhere to torque specifications. Corrosion can be mitigated by selecting screws with a corrosion-resistant coating and ensuring the fastening area is clean and dry before installation.

Maintenance Tips

Regular inspections of the 3279056 Hexagon Head Cap Screw are recommended to prolong its life. Check for signs of wear, corrosion, or loosening. Cleaning the screw and its surrounding area can prevent debris buildup that may contribute to corrosion. When signs of wear or damage are detected, consider replacement to prevent potential failures and ensure continued truck reliability.

Cummins: A Brief Overview

Cummins Inc. is a renowned manufacturer in the commercial truck industry, known for its high-quality components. With a history of innovation and commitment to excellence, Cummins has earned a reputation for producing reliable and durable truck parts. The company’s dedication to quality and performance makes it a trusted source for truck components, including the 3279056 Hexagon Head Cap Screw.

Hexagon Head Cap Screw 3279056 in Cummins Engines

The 3279056 Hexagon Head Cap Screw is a critical component in several Cummins engine models, ensuring structural integrity and operational efficiency.

ISF2.8 CM2220 F129

In the ISF2.8 CM2220 F129 engine, this screw is utilized in various applications requiring secure fastening. Its design allows for precise alignment and firm attachment, essential for maintaining engine component alignment under operational stress.

QSX15 CM2250 ECF and VTA903 CM2250 V105

In the QSX15 CM2250 ECF and VTA903 CM2250 V105 engines, the 3279056 Hexagon Head Cap Screw plays a vital role. These engines depend on this screw for fastening components subject to high torque and vibration. The screw’s hex head provides easy access for tightening and loosening, ensuring engine components remain securely fastened throughout the engine’s operational life.

The use of this screw across these engines highlights its importance in maintaining the overall integrity and performance of Cummins engines. Its design and material ensure it can withstand demanding engine operation conditions, providing a reliable fastening solution.

Role of Part 3279056 Hexagon Head Cap Screw in Engine Systems

The 3279056 Hexagon Head Cap Screw is instrumental in securing various components within engine systems, ensuring their stability and proper function.

• Accessories: This screw is often used to fasten components such as brackets, mounts, and housings, providing a reliable connection that withstands vibrations and operational stresses.
• Electric Starting Systems: It secures the starter motor to the engine frame, ensuring the motor remains firmly in place during operation, essential for consistent and reliable starting performance.
• Aid Systems: The screw ensures that auxiliary parts are correctly mounted and aligned, contributing to the overall efficiency of the system.
• Air Heater Starting Systems: It is utilized to secure heating elements and control modules, maintaining their position and integrity under varying thermal conditions.
• Cover Components: Including gear covers and module enclosures, rely on this screw to maintain a sealed and secure environment, protecting internal parts from contaminants and ensuring optimal performance.
• Front Gear Assembly: The screw is vital for attaching gear components to the engine housing, ensuring precise alignment and smooth operation of the gear system.
• Gear Cover: It secures the cover to the engine, providing a protective barrier over moving parts while allowing for easy access during maintenance.
• Modules: Particularly engine control modules, the screw ensures these sensitive electronic components are firmly attached to the engine, safeguarding them from physical damage and ensuring reliable data transmission.

Overall, the 3279056 Hexagon Head Cap Screw is a fundamental fastener in engine systems, contributing to the stability, reliability, and efficiency of various interconnected components.

Conclusion

The 3279056 Hexagon Head Cap Screw by Cummins is a vital component in commercial truck maintenance and engine systems. Its design, material, and features ensure secure fastening, durability, and reliability in demanding environments. Proper installation, regular maintenance, and understanding its role in various engine components are essential for maximizing its benefits and ensuring the overall performance and reliability of commercial trucks.