3286871
Round Head Cap Screw
Cummins®

The 3286871 Round Head Cap Screw, a component manufactured by Cummins, is a critical fastener in the commercial vehicle industry. This screw is utilized in various applications within commercial trucks, emphasizing the importance of reliable fasteners in heavy-duty vehicles. Fasteners like the 3286871 are integral to maintaining the structural integrity and operational efficiency of truck assemblies.

Basic Concepts of Round Head Cap Screws

A Round Head Cap Screw is a type of fastener characterized by a rounded head and a threaded shank. It is commonly used in mechanical assemblies to secure components together. The design of the round head provides a larger surface area for distribution of clamping force, which helps in preventing damage to the fastened material. Additionally, the rounded head allows for easier installation using common tools, making it a versatile choice for various applications ¹.

Purpose of the 3286871 Round Head Cap Screw in Truck Operations

The 3286871 Round Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is employed in applications where secure fastening is required to withstand significant stress and vibration. Typical applications within truck assemblies include securing engine components, chassis parts, and other critical areas where durability and reliability are paramount.

Key Features

This Cummins part is distinguished by several key features. It is composed of high-strength materials, ensuring durability under demanding conditions. The screw features a specific thread type that provides optimal clamping force and resistance to loosening. Its round head design facilitates easy installation and removal. Additionally, the screw may have special coatings or treatments to enhance corrosion resistance and prolong its service life.

Benefits

Using the 3286871 Round Head Cap Screw in truck maintenance and repair offers several advantages. Its resistance to corrosion makes it suitable for use in various environmental conditions. The screw’s design allows for ease of installation, reducing downtime during maintenance procedures. Furthermore, its load-bearing capabilities ensure that it can securely hold components together under significant stress, contributing to the overall reliability of the truck.

Installation Guidelines

Proper installation of the 3286871 Round Head Cap Screw is vital to ensure secure fastening. It is recommended to follow the manufacturer’s torque specifications to achieve the correct clamping force without over-tightening, which could damage the screw or the fastened material. Using the appropriate tools, such as a torque wrench, is advised to maintain the integrity of the installation. Adhering to these guidelines helps in achieving a secure and lasting fastening solution.

Troubleshooting and Maintenance

Common issues with Round Head Cap Screws include loosening due to vibration and corrosion. Regular inspection of the screws can help identify these issues early. Maintenance tips to prolong the lifespan of the screw include applying a thread locker during installation and conducting routine checks for signs of wear or corrosion. Replacement should be considered if any damage is detected to maintain the structural integrity of the assembly.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and reliability in the commercial vehicle industry. The company’s extensive product range includes components like the 3286871 Round Head Cap Screw, which are trusted by professionals for their performance and durability in demanding applications.

Cummins Round Head Cap Screw Part 3286871 Compatibility

The Cummins Round Head Cap Screw part number 3286871 is designed to fit seamlessly with a variety of Cummins engines, ensuring secure fastening and reliable performance. This part is compatible with the following engines:

• 6B5.9
• B5.9 G
• QSB5.9 30 CM550
• QSB5.9 44 CM550

These engines, while differing in specifications and applications, share a common requirement for robust and dependable fastening solutions. The Round Head Cap Screw part 3286871 meets this need by providing a precise fit and superior holding strength. Its design ensures that it can withstand the operational stresses encountered in these engines, contributing to overall engine integrity and longevity.

Role of Part 3286871 Round Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the 3286871 Round Head Cap Screw serves as a vital fastening element, ensuring the secure attachment of various components. Its application is particularly significant in the context of gauges and oil level indicators.

Securing Gauges

Gauges are essential for monitoring various engine parameters, providing real-time data to the operator. The Round Head Cap Screw is employed to fasten gauges to their mounting points. This secure attachment ensures that the gauge remains firmly in place, unaffected by engine vibrations or external forces. The screw’s design allows for a tight fit, which is necessary for the accurate reading and longevity of the gauge.

Oil Level Gauge Attachment

The oil level gauge is another component where the Round Head Cap Screw plays a key role. This gauge is critical for monitoring the oil level within the engine, ensuring that it operates within safe parameters. The screw is used to attach the gauge to the engine block or oil tank. Its robust construction ensures that the gauge remains securely fastened, even under the dynamic conditions of engine operation. This secure attachment is vital for the gauge’s accurate functioning and durability.

Ensuring Component Integrity

Beyond its fastening role, the Round Head Cap Screw contributes to the overall integrity of these components. By providing a strong and reliable connection, it helps maintain the structural stability of the gauges and oil level indicators. This is particularly important in high-stress environments where engine components are subject to significant forces and vibrations.

Conclusion

The 3286871 Round Head Cap Screw is an indispensable component in the assembly of engine systems, particularly in the secure attachment of gauges and oil level indicators. Its reliable performance ensures the accurate functioning and durability of these critical engine monitoring tools.