3943520
Tube Clamp
Cummins®

Introduction

The Cummins 3943520 Tube Clamp is a component designed to secure and connect tubing systems in commercial trucks. Its role is significant in maintaining the integrity and efficiency of various truck systems by ensuring that tubing connections remain secure under operational conditions.

Basic Concepts of Tube Clamps

Tube clamps are devices used to hold and connect tubing in automotive and industrial applications. They function by compressing the tubing between two surfaces, creating a secure and leak-proof connection. Tube clamps are versatile and can be used in a variety of systems, including fuel, air, and hydraulic lines ¹.

Purpose of the Cummins 3943520 Tube Clamp

The Cummins 3943520 Tube Clamp is specifically designed for use in commercial trucks. It plays a role in securing tubing connections in various truck systems, such as fuel lines, air brake systems, and hydraulic circuits. By providing a reliable connection, it helps ensure the proper function and safety of these systems.

Key Features

The Cummins 3943520 Tube Clamp features a durable material composition, typically made from high-strength steel or aluminum, which offers resistance to corrosion and wear ². Its design includes a band that wraps around the tubing and a screw mechanism to tighten the clamp, ensuring a secure fit. Additionally, it may have unique characteristics such as a self-locking feature to prevent loosening over time.

Benefits of Using the Cummins 3943520 Tube Clamp

Using the Cummins 3943520 Tube Clamp provides several advantages. Its durable construction ensures long-term reliability, while its design allows for easy installation. The secure fit it provides helps prevent leaks and ensures the tubing connections remain intact under various operational conditions.

Installation Process

To install the Cummins 3943520 Tube Clamp, first, ensure the tubing is clean and free of debris. Place the clamp around the tubing and align it with the connection point. Use the provided screw to tighten the clamp, ensuring an even and secure fit. It is recommended to use a torque wrench to achieve the proper tightening specification, which can be found in the manufacturer’s guidelines.

Troubleshooting Common Issues

Common issues with tube clamps may include leaks or improper fitting. To address leaks, inspect the clamp for proper tightness and ensure the tubing is not damaged. If the clamp is loose, retighten it following the manufacturer’s specifications. For improper fitting, verify that the clamp is the correct size for the tubing and that it is installed correctly.

Maintenance Tips

Regular maintenance of the Cummins 3943520 Tube Clamp involves periodic inspection for signs of wear or corrosion. Cleaning the clamp and tubing connections can help prevent buildup that may affect performance. It is also important to check the tightness of the clamp at recommended intervals to ensure it remains secure.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history of innovation and commitment to quality, Cummins plays a significant role in the automotive industry, providing reliable components for a wide range of applications ³.

Compatibility with Cummins Engines

The Tube Clamp part number 3943520, manufactured by Cummins, is designed to fit a variety of Cummins engines. This clamp is essential for securing and maintaining the integrity of coolant and fuel lines, ensuring efficient engine operation. Below is a detailed breakdown of the engines with which this tube clamp is compatible.

Cummins ISC and ISL Series Engines

• ISC CM2150
• ISC CM554
• ISC CM850 (CM2850)
• ISC8.3 CM2250
• ISL CM2150
• ISL CM554
• ISL9 CM2150 SN
• ISL9 CM2250
• ISL9.5 CM2880 L138

Cummins QSC and QSL Series Engines

• QSC8.3 CM554
• QSC8.3 CM850 (CM2850)
• QSC9 CM2250 / QSL9 CM2250
• QSL8.9 CM2150 L141
• QSL9 CM2250
• QSL9 CM2350 L102
• QSL9 CM554
• QSL9 CM850 (CM2850)

Cummins L Series Engines

• L GAS PLUS CM556
• L8.9 CM2670 L134C

Cummins QSB Series Engines

• QSB5.9 44 CM550

Cummins Z Series Engines

• Z13 Z108G

By providing compatibility with a wide range of Cummins engines, the Tube Clamp 3943520 ensures that operators can maintain their equipment with confidence, knowing that their coolant and fuel lines are securely fastened.

Role of Part 3943520 Tube Clamp in Engine Systems

The 3943520 Tube Clamp is an essential component in the secure and efficient operation of various engine systems. It is primarily used in the arrangement and maintenance of plumbing connections, ensuring that fluid transfer within the engine is both reliable and safe.

In the compressor coolant system, the 3943520 Tube Clamp is employed to secure the compressor water inlet and outlet tubes. This ensures that the coolant flows smoothly without any leaks, which is vital for maintaining the optimal temperature of the compressor. The clamp’s role here is to provide a tight seal, preventing any coolant loss that could lead to inefficient cooling and potential damage to the compressor.

When it comes to the fuel filter system, the 3943520 Tube Clamp is used to connect the fuel lines securely. This is important for maintaining the integrity of the fuel delivery system, ensuring that fuel is delivered consistently and without contamination. The clamp helps in withstanding the pressure variations within the fuel lines, thus contributing to the overall efficiency of the fuel system.

In the water inlet tube arrangement, the 3943520 Tube Clamp plays a significant role in securing the connection points. This is essential for the proper functioning of the water cooling system, ensuring that water circulates effectively to cool various engine components. The clamp prevents any potential leaks that could disrupt the water flow and lead to overheating issues.

Overall, the 3943520 Tube Clamp is a versatile component that enhances the reliability and performance of engine systems by ensuring secure and leak-free connections in critical fluid transfer pathways.

Conclusion

The Cummins 3943520 Tube Clamp is a critical component for maintaining the integrity and efficiency of various truck and engine systems. Its durable construction, ease of installation, and secure fit make it an essential part for securing tubing connections in fuel, air, and hydraulic systems. Regular maintenance and proper installation are key to ensuring the long-term reliability of this Cummins part.