3847494
Self Tapping Metal Screw
Cummins®

The 3847494 Self-Tapping Metal Screw is a specialized fastener produced by Cummins, a well-known manufacturer in the commercial truck industry. This screw is designed for use in various applications within commercial trucks, providing a reliable fastening solution that meets the demanding requirements of heavy-duty operations.

Basic Concepts of Self-Tapping Metal Screws

Self-tapping metal screws are designed to cut their own mating threads as they are driven into a material, eliminating the need for pre-tapped holes. This feature makes them highly versatile and efficient for a wide range of applications. In the automotive industry, these screws are commonly used for attaching panels, securing components, and assembling various parts where a strong, permanent hold is required ¹.

Purpose of the 3847494 Self-Tapping Metal Screw in Truck Operations

The 3847494 Self-Tapping Metal Screw plays a specific role in the operation and maintenance of commercial trucks by providing a secure and durable fastening solution. It is used in applications where components need to be firmly attached to metal surfaces, ensuring that parts remain in place under the stress and vibrations encountered during truck operations.

Key Features

The 3847494 Self-Tapping Metal Screw boasts several key features that enhance its performance and reliability. It is composed of high-quality metal, ensuring durability and strength. The screw’s thread design is optimized for self-tapping functionality, allowing it to create its own threads as it is driven into the material. Additionally, the screw may feature a unique coating or treatment to enhance corrosion resistance, making it suitable for use in various environmental conditions.

Benefits

Using the 3847494 Self-Tapping Metal Screw offers several benefits. Its durable construction ensures long-lasting performance, while the self-tapping design simplifies the installation process by eliminating the need for pre-tapped holes. The screw’s resistance to corrosion enhances its reliability in outdoor and harsh environments, contributing to the overall longevity of the fastened components.

Installation Process

Proper installation of the 3847494 Self-Tapping Metal Screw is crucial for ensuring optimal performance and longevity. To install the screw, first, position it at the desired location on the metal surface. Using a drill or screwdriver, drive the screw into the material until it is securely fastened. Ensure that the screw is driven straight to avoid cross-threading and to maintain the integrity of the fastening.

Troubleshooting and Maintenance

Common issues with self-tapping metal screws may include difficulty driving the screw into the material or the screw becoming loose over time. To troubleshoot these issues, ensure that the screw is aligned correctly and that the material is free of debris. Regular maintenance involves inspecting the screws for signs of wear or corrosion and tightening them as necessary to maintain a secure hold.

Compatibility and Applications

The 3847494 Self-Tapping Metal Screw is designed for use in various applications within commercial truck assemblies. It is compatible with a range of metal surfaces and is commonly used for attaching panels, securing components, and assembling parts where a strong, permanent hold is required.

Safety Considerations

When handling and installing the 3847494 Self-Tapping Metal Screw, it is important to observe several safety guidelines. Wear appropriate personal protective equipment, such as gloves and safety glasses, to protect against injury. Ensure that the work area is clean and free of debris to prevent accidents during installation. Follow all manufacturer recommendations for safe use and installation.

Cummins: Manufacturer Overview

Cummins is a reputable manufacturer with a long-standing history in the commercial truck industry. Known for their commitment to quality and innovation, Cummins produces a wide range of components and systems designed to meet the demanding requirements of heavy-duty operations. Their products are trusted by professionals for their reliability, performance, and durability.

Cummins Engine Compatibility with Self-Tapping Metal Screw Part 3847494

The Cummins Self-Tapping Metal Screw part number 3847494 is a versatile component designed to fit a variety of Cummins engines. This screw is engineered to securely fasten parts together without the need for a pre-drilled hole, making it an essential tool for assembly and maintenance tasks. Below is a detailed overview of the engines that are compatible with this part:

ISB Series Engines

• ISB CM2150
• ISB CM550
• ISB CM850
• ISB6.7 CM2250
• ISB6.7 CM2350 B101

The ISB series engines, including the CM2150, CM550, CM850, CM2250, and CM2350 B101, are designed for heavy-duty applications. The Self-Tapping Metal Screw part 3847494 is ideal for securing various components in these engines, ensuring reliable performance and durability.

ISC Series Engines

• ISC CM2150
• ISC CM554
• ISC CM850

The ISC series engines, such as the CM2150, CM554, and CM850, are known for their robust construction and efficiency. The part 3847494 is suitable for use in these engines, providing a secure fastening solution for a range of applications.

ISL Series Engines

• ISL CM2150
• ISL CM554
• ISL9 CM2150 SN
• ISL9.5 CM2880 L138

The ISL series engines, including the CM2150, CM554, CM2150 SN, and CM2880 L138, are designed for both on-highway and off-highway applications. The Self-Tapping Metal Screw part 3847494 is compatible with these engines, offering a reliable fastening option for various components.

QSB Series Engines

• QSB5.9 44 CM550
• QSB5.9 CM850
• QSB6.7 CM850(CM2850)

The QSB series engines, such as the 5.9 44 CM550, 5.9 CM850, and 6.7 CM850(CM2850), are built for demanding industrial and agricultural applications. The part 3847494 is suitable for use in these engines, providing a secure fastening solution for various parts.

QSC Series Engines

• QSC8.3 CM554
• QSC8.3 CM850(CM2850)

The QSC series engines, including the 8.3 CM554 and 8.3 CM850(CM2850), are designed for heavy-duty applications. The Self-Tapping Metal Screw part 3847494 is compatible with these engines, ensuring reliable fastening for various components.

QSL Series Engines

• QSL8.9 CM2150 L141
• QSL9 CM554
• QSL9 CM850(CM2850)

The QSL series engines, such as the 8.9 CM2150 L141, 9 CM554, and 9 CM850(CM2850), are built for demanding industrial and agricultural applications. The part 3847494 is suitable for use in these engines, providing a reliable fastening option for various parts.

This comprehensive compatibility ensures that the Self-Tapping Metal Screw part 3847494 can be used across a wide range of Cummins engines, facilitating efficient assembly and maintenance.

Role of Part 3847494 Self-Tapping Metal Screw in Engine Systems

Fuel (Top Level Assembly) Filter

In the fuel (top level assembly) filter, part 3847494 Self-Tapping Metal Screw is utilized to secure various components together. This screw ensures that the filter housing is tightly assembled, preventing any potential leaks that could occur from loose connections. It also plays a role in maintaining the structural integrity of the filter assembly, ensuring that it can withstand the pressures and vibrations encountered during engine operation.

Fuel Filter

Within the fuel filter, part 3847494 is employed to fasten the filter element to the housing. This secure attachment is essential for the proper functioning of the filter, as it ensures that the filter media remains in place and effectively captures contaminants from the fuel. The self-tapping nature of the screw allows for easy installation and removal, facilitating routine maintenance and filter replacements.

Fuel Filter Location

When considering the fuel filter location, part 3847494 is often used to mount the fuel filter to the vehicle’s chassis or engine bay. This secure mounting is vital for maintaining the filter’s position, especially in areas exposed to engine vibrations and movement. The screw’s design ensures a robust connection, reducing the risk of the filter becoming dislodged or damaged during operation.

Fuel System Accessories

In fuel system accessories, such as fuel pressure regulators and fuel rails, part 3847494 Self-Tapping Metal Screw is used to attach various components. These accessories often require precise and secure fastening to function correctly. The screw’s self-tapping feature allows for efficient assembly, while its metal construction provides the necessary durability to handle the dynamic conditions within the fuel system.

Thermostat Kit

Within the thermostat kit, part 3847494 is utilized to secure the thermostat housing and other components. This ensures that the thermostat is correctly positioned and sealed, allowing it to regulate engine temperature effectively. The screw’s ability to create a tight seal is particularly important in this application, as any leaks could lead to inaccurate temperature readings and potential engine overheating.

Conclusion

The 3847494 Self-Tapping Metal Screw is a versatile and reliable component designed for use in various applications within commercial trucks. Its key features, including high-quality metal construction, optimized thread design, and corrosion resistance, make it an essential tool for assembly and maintenance tasks. Proper installation and regular maintenance are crucial for ensuring optimal performance and longevity. The screw’s compatibility with a wide range of Cummins engines further enhances its utility in heavy-duty operations.