108602
Hexagon Head Cap Screw
Cummins®

The Hexagon Head Cap Screw is a fundamental component in the realm of commercial trucks, providing secure fastening solutions that are vital for the integrity and functionality of various truck systems. Manufactured by Cummins, a renowned name in the automotive industry, the Hexagon Head Cap Screw part number 108602 is specifically designed for heavy-duty truck applications. This part plays a significant role in ensuring the reliable operation of commercial trucks by securing critical components and assemblies.

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 the cap screw includes a threaded shaft that engages with internal threads in the mating part, providing a strong and secure connection. Cap screws are commonly used in mechanical assemblies where high tensile strength and resistance to loosening are required. They are often employed in applications where components need to be frequently disassembled and reassembled, making them ideal for maintenance and repair operations in commercial trucks ¹.

Purpose of the 108602 Hexagon Head Cap Screw in Truck Operation

The 108602 Hexagon Head Cap Screw is integral to the operation and maintenance of commercial trucks. It is used to fasten various components, ensuring they remain securely in place under the demanding conditions encountered in heavy-duty truck applications. By providing a robust connection, this cap screw contributes to the overall integrity and functionality of truck components, helping to maintain the vehicle’s performance and safety.

Key Features of the 108602 Hexagon Head Cap Screw

The 108602 Hexagon Head Cap Screw boasts several key features that enhance its performance and durability. It is constructed from high-quality materials, typically alloy steel, which offers excellent tensile strength and resistance to wear. The screw features a coarse thread type, which provides a strong grip and efficient load distribution. The hexagonal head design allows for easy installation and removal using standard tools, ensuring convenience during maintenance procedures. These features collectively contribute to the screw’s reliability and longevity in heavy-duty applications.

Benefits of Using the 108602 Hexagon Head Cap Screw

Utilizing the 108602 Hexagon Head Cap Screw offers numerous advantages. Its resistance to corrosion ensures longevity even in harsh environments, while its high tensile strength provides reliable fastening under significant loads. The ease of installation enhances efficiency during maintenance operations, reducing downtime for commercial trucks. These benefits contribute to the overall efficiency and reliability of truck operations, making the 108602 an invaluable component for fleet managers and maintenance professionals.

Installation and Usage Guidelines

Proper installation of the 108602 Hexagon Head Cap Screw is crucial for optimal performance. Begin by ensuring the mating threads are clean and free of debris. Insert the screw into the designated hole and use a wrench or socket to tighten it to the specified torque setting. It is important to avoid over-tightening, as this can lead to thread damage or component failure. Regular inspections should be conducted to ensure the screw remains securely fastened and shows no signs of wear or corrosion.

Troubleshooting Common Issues

Common issues with Hexagon Head Cap Screws include loosening, corrosion, and damage. To address loosening, ensure the screw is tightened to the correct torque specification and check for any movement in the mating components. Corrosion can be mitigated by using screws made from corrosion-resistant materials and applying protective coatings where necessary. If damage is detected, the screw should be replaced to prevent further complications.

Maintenance Tips

Regular maintenance of the 108602 Hexagon Head Cap Screw is essential to prevent failure and extend its service life. Periodic inspections should be conducted to check for signs of wear, corrosion, or loosening. Torque checks should be performed to ensure the screw remains securely fastened. Applying a thread locker can also help prevent loosening in vibrating environments. By adhering to these maintenance practices, the longevity and reliability of the cap screw can be ensured.

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 has established itself as a reputable source for automotive and heavy-duty truck components. The company’s commitment to excellence is reflected in its extensive product range, which includes high-performance parts like the 108602 Hexagon Head Cap Screw. Cummins’ dedication to quality and innovation makes it a trusted provider in the automotive industry ².

Hexagon Head Cap Screw 108602 in Cummins Engines

The Hexagon Head Cap Screw 108602, manufactured by Cummins, is a critical component in various Cummins engine models. This screw is designed to provide robust fastening solutions, ensuring secure and reliable connections in the engine assembly.

K-Series Engines

• K19
• K38
• K50

These engines utilize the 108602 screw in several key areas, including securing engine covers, mounting brackets, and other critical components. Its hexagon head design allows for efficient torque application, which is essential for maintaining the integrity of the engine’s structure.

KTA Series Engines

• KTA19GC
• KTA19GC CM558
• KTA38GC CM558

In the KTA series engines, the 108602 screw is often used in the assembly of turbochargers, exhaust manifolds, and other high-stress components. The screw’s durability and strength are critical in these applications, where it must withstand high temperatures and pressures.

QSK Series Engines

• QSK19 CM2350 K105
• QSK19 CM2350 K114
• QSK19 CM2350 K144G
• QSK19 CM850 MCRS
• QSK38 CM2150 MCRS
• QSK38 CM850 MCRS
• QSK50 CM2150 K107
• QSK50 CM2150 MCRS
• QSK50 CM2350 K108

The QSK series engines incorporate the 108602 screw in various configurations. It is used extensively in the assembly of engine blocks, cylinder heads, and other structural components. The screw’s precision and reliability are crucial for ensuring the longevity and performance of these engines.

Other Models

• GTA38 G CMEICS G116C
• V28

In these engines, the 108602 screw is used in similar applications as in the other models, providing essential fastening for various engine components. Its versatility and strength make it suitable for a wide range of uses within the engine assembly.

Role of Part 108602 Hexagon Head Cap Screw in Engine Systems

Part 108602, the Hexagon Head Cap Screw, is integral to the assembly and securement of various components within engine systems. Its application spans across multiple critical areas, ensuring the stability and functionality of the engine.

Air Cleaner Assembly

In the air cleaner system, the Hexagon Head Cap Screw is used to fasten the left side brace and the right side brace. This securement is essential for maintaining the structural integrity of the air cleaner, which is vital for efficient air filtration and engine performance.

Crankshaft and Accessory Drives

The screw is employed in the attachment of the crankshaft pulley, a component that drives various engine accessories. Additionally, it plays a role in securing the fan mounting, which is responsible for cooling the engine by driving the cooling fan.

Filtration Systems

For the filter-cooler and its mounting, the Hexagon Head Cap Screw ensures a tight and secure fit. This is important for the efficient operation of the filtration system, which is responsible for cleaning the engine oil and maintaining its quality.

Engine Support and Fuel Systems

The front engine support relies on this screw for secure attachment, contributing to the overall stability of the engine within the vehicle. In the fuel system, it is used to fasten the fuel pump and secure the fuel tubing, ensuring a leak-free and efficient fuel delivery system.

Cooling and Lubrication

In the cooling system, the screw is utilized in the mounting of the radiator and its components, ensuring efficient heat dissipation. In the lubrication system, it secures the lube oil filter-cooler and the lubricating oil filter, which are essential for maintaining the engine’s moving parts.

Additional Applications

The Hexagon Head Cap Screw is also used in the mounting of the rocker arm housing and the rocker lever mounting housing. These applications are vital for the operation of the engine’s valve train, affecting combustion efficiency and engine performance.

Conclusion

In summary, the 108602 Hexagon Head Cap Screw is a versatile fastener that plays a significant role in the securement and functionality of various engine components, contributing to the overall performance and reliability of the engine system.