3863735
Hexagon Flange Head Cap Screw
Cummins®

The Hexagonal Flange Head Cap Screw, identified by part number 3863735, is a component manufactured by Cummins. This screw is significant in the realm of commercial truck maintenance due to its robust design and reliable performance. Cummins, a renowned manufacturer in the diesel engine and component industry, produces this screw to meet the demanding requirements of heavy-duty applications.

Basic Concepts

A Hexagonal Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient torque application using standard tools, while the flange provides additional surface area to distribute load and prevent the screw from sinking into the material. In the context of truck components, this screw is utilized to secure various parts, ensuring they remain firmly in place under operational stress.

Purpose and Role in Truck Operation

This Cummins part plays a specific role in the operation and maintenance of commercial trucks. It is commonly used in applications where secure fastening is required, such as attaching engine components, body panels, and other critical parts. Its design ensures that these components remain fixed, contributing to the overall stability and performance of the truck.

Key Features

The 3863735 boasts several key features that enhance its performance and durability. Its hexagonal flange head design allows for easy installation and removal using standard wrenches or sockets. The screw is typically made from high-strength materials, such as alloy steel, which provides excellent resistance to wear and corrosion. Additionally, the flanged base offers increased load distribution, reducing the risk of the screw pulling through the material.

Benefits

Using this part offers several benefits. The design of the screw provides improved fastening security, ensuring that components remain firmly attached even under vibration and stress. Its resistance to corrosion and wear enhances longevity, reducing the need for frequent replacements. Furthermore, the ease of installation and removal simplifies maintenance procedures, saving time and labor.

Installation Process

Proper installation of the 3863735 is vital to ensure optimal performance and longevity. Begin by cleaning the installation area to remove any debris or contaminants. Use a torque wrench to install the screw, applying the specified torque to achieve the correct tension without overtightening. It is important to follow the manufacturer’s torque specifications to prevent damage to the screw or the surrounding components.

Troubleshooting and Maintenance

Common issues with the 3863735 may include loosening due to vibration or corrosion over time. Regular inspection and maintenance can help identify and address these issues promptly. If corrosion is detected, clean the affected area and consider applying a corrosion-resistant coating. For screws that have loosened, re-torque them to the manufacturer’s specifications or replace them if necessary to ensure continued reliable performance.

Cummins: Manufacturer Overview

Cummins is a leading manufacturer known for its diesel engines and related components. The company has built a reputation for quality, innovation, and customer satisfaction. Cummins’ commitment to producing reliable and high-performance parts is evident in their extensive range of products, including the 3863735. Their focus on engineering excellence ensures that their components meet the rigorous demands of commercial truck applications.

Hexagonal Flange Head Cap Screw 3863735 in Cummins Engines

The Cummins part number 3863735 is a critical component in several Cummins engine models. This screw is designed to secure various parts within the engine, ensuring structural integrity and operational efficiency.

6B5.9 Engine

In the 6B5.9 engine, the 3863735 screw is utilized in several key areas. It is often found in the engine’s head assembly, where it helps to maintain the alignment and stability of the cylinder head. This screw is also used in the engine’s cooling system, ensuring that coolant passages remain sealed and functional.

B3.3 Engine

The B3.3 engine also incorporates the 3863735 screw in its design. Here, it is frequently used in the engine block to secure various internal components. This screw plays a vital role in maintaining the structural integrity of the engine block, ensuring that all parts remain in place under the high stresses of engine operation.

QSB3.3 CM2150 and QSB3.3 CM2250 EC Engines

In the QSB3.3 CM2150 and QSB3.3 CM2250 EC engines, the 3863735 screw is used in similar applications as in the B3.3 engine. It is employed in the engine block to secure internal components and in the head assembly to maintain the alignment of the cylinder head. Additionally, this screw is used in the engine’s exhaust system, ensuring that exhaust components are securely fastened and properly aligned.

The use of the 3863735 screw in these engines highlights its importance in maintaining the overall performance and reliability of the engine. Its design ensures that it can withstand the high temperatures and pressures found within the engine, providing a durable and reliable fastening solution.

Role of Part 3863735 Hexagonal Flange Head Cap Screw in Engine Systems

Fuel Plumbing

In fuel plumbing systems, the 3863735 is utilized to secure various components such as fuel filters, fuel injectors, and fuel lines. Its design ensures a tight and reliable seal, preventing fuel leaks and maintaining system integrity. The screw’s hexagonal flange head allows for easy installation and removal using standard tools, facilitating maintenance and repairs.

Housing

When it comes to housing components, the 3863735 screw plays a significant role in securing engine covers, sensor housings, and other protective enclosures. Its robust construction ensures that these housings remain firmly in place, protecting sensitive engine parts from debris, moisture, and other environmental factors. The flange head provides additional surface area for torque application, enhancing the screw’s holding power.

Flywheel

In flywheel applications, the 3863735 Hexagonal Flange Head Cap Screw is often used to attach the flywheel to the engine crankshaft or to secure flywheel covers. This ensures that the flywheel operates smoothly and efficiently, contributing to the engine’s overall performance. The screw’s design helps distribute clamping force evenly, reducing the risk of slippage or misalignment.

Conclusion

The 3863735 Hexagonal Flange Head Cap Screw is a vital component in the maintenance and operation of commercial trucks and Cummins engines. Its robust design, ease of installation, and resistance to corrosion and wear make it an essential part for securing various engine components. Proper installation and regular maintenance ensure the longevity and reliability of this screw, contributing to the overall performance and stability of the vehicle.