3047134
Breather Tube
Cummins®

The Cummins 3047134 Breather Tube is a component designed for use in commercial trucks. It serves a specific function within the engine system, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and operation is key to maintaining the performance of heavy-duty trucks.

Basic Concepts of Breather Tubes

A breather tube is a component that allows air to enter and exit an engine system, maintaining pressure equilibrium. It operates on the principle that engines require a balanced internal pressure to function correctly. As the engine operates, it produces gases and heat, which can increase internal pressure. The breather tube provides a pathway for these gases to escape, preventing excessive pressure buildup that could lead to engine damage. Additionally, it allows fresh air to enter the system, which is necessary for the combustion process and to replace the expelled gases ¹.

Purpose of the 3047134 Breather Tube

The Cummins 3047134 Breather Tube is specifically designed to play a role in the engine system of a truck by maintaining pressure equilibrium and preventing contamination. It ensures that the crankcase ventilation system operates efficiently, allowing gases to escape while preventing external contaminants from entering the engine. This function is vital for preserving the integrity of the engine’s internal components and ensuring smooth operation ².

Key Features

The Cummins 3047134 Breather Tube is constructed with a focus on durability and performance. It is made from high-quality materials that can withstand the harsh conditions of a commercial truck engine environment. The design includes features that enhance its functionality, such as a precise fit to ensure a secure connection within the engine system. Additionally, it may incorporate filtration elements to trap contaminants, further protecting the engine ³.

Benefits

The use of the Cummins 3047134 Breather Tube in a truck’s engine system can lead to several advantages. It contributes to improved engine performance by ensuring optimal pressure levels and clean air circulation. The durable construction and design elements of the breather tube support its longevity, reducing the need for frequent replacements. Moreover, its reliable operation enhances the overall reliability of the truck, which is crucial for heavy-duty applications where downtime can be costly ⁴.

Troubleshooting and Maintenance

To ensure the Cummins 3047134 Breather Tube operates effectively, it is important to be aware of common issues that may arise. These can include blockages due to contaminants or damage from extreme conditions. Regular inspection and cleaning can help prevent such issues. If a problem is detected, it is advisable to follow diagnostic procedures to identify the cause and apply the appropriate solution. Maintenance practices, such as checking for secure connections and ensuring the breather tube is free from obstructions, are key to its optimal functionality and longevity.

Compatibility

The Cummins Breather Tube part number 3047134 is designed to fit a variety of Cummins engines, ensuring effective ventilation and pressure balance within the engine’s crankcase. Below is a detailed description of how this breather tube fits with the specified Cummins engines.

ISM Series Engines

The breather tube 3047134 is compatible with ISM series engines, including ISM CM570, ISM CM570/870, ISM CM876, and ISM11 CM876 SN.

ISX Series Engines

This breather tube is designed to fit seamlessly with ISX series engines, including ISX CM570, ISX CM870, and ISX CM871.

L10 Series Engines

The breather tube 3047134 is also compatible with L10 series engines, including L10 CELECT, L10 GAS, and L10 MECHANICAL.

M11 Series Engines

This breather tube fits the M11 series engines, including M11 CELECT, M11 CELECT PLUS, and M11 MECHANICAL.

N14 Series Engines

The breather tube 3047134 is designed to fit the N14 series engines, including N14 CELECT, N14 CELECT PLUS, and N14 MECHANICAL.

NH/NT 855

The breather tube 3047134 is also compatible with the NH/NT 855 engine.

QSM11 Series Engines

This breather tube fits the QSM11 CM570 engine.

QSN14 Series Engines

The breather tube 3047134 is compatible with the QSN14 CM876 N103 engine.

Role of Part 3047134 Breather Tube in Engine Systems

The 3047134 Breather Tube is an essential component in maintaining the efficiency and reliability of various engine systems. It is integrated into several key components to ensure optimal performance and longevity of the engine.

Integration with Crankcase and Breather Systems

The Breather Tube is primarily utilized in the crankcase breather arrangement. It facilitates the release of pressure build-up within the crankcase, which is vital for maintaining a stable operating environment. This pressure relief prevents damage to the crankcase and ensures smooth engine operation.

Connection to Gear Cover Assembly

In the gear cover assembly, the Breather Tube plays a significant role by allowing the escape of any accumulated gases or moisture. This is particularly important in the front gear cover, where the Breather Tube helps in maintaining a dry and clean environment, thus reducing the risk of corrosion and component wear.

Role in Rocker Lever and Valve Covers

The Breather Tube is also incorporated into the rocker lever cover and valve cover systems. Here, it aids in venting any excess pressure or contaminants that may accumulate during engine operation. This is especially relevant in the rocker lever top level assembly cover and the rocker lever reducing front and rear covers, where efficient breather functionality is essential for preserving the integrity of the valve train components.

Use in Breather & Filler and Vent Tube Arrangements

In breather & filler systems and vent tube arrangements, the Breather Tube ensures that the engine’s ventilation system operates effectively. It allows for the safe release of gases while preventing the ingress of contaminants, which is crucial for the overall health of the engine.

Application in Comprehensive Cover Systems

The Breather Tube is also a component in more comprehensive cover systems, such as the rocker top level assembly cover and the crankcase breather arrangement. Its role here is to provide a consistent and reliable means of pressure relief, contributing to the durability and performance of these covers.

Enhanced Functionality in Product Installation Packages

When included in product installation packages, the Breather Tube ensures that all components are installed with consideration for proper ventilation. This is particularly important in systems like the RKR Lev Red No Fill and RKR Lev Tla No Fill, where the Breather Tube helps in maintaining the designed pressure levels within the engine.

Conclusion

In summary, the Cummins 3047134 Breather Tube is a versatile and indispensable component in various engine systems, ensuring efficient pressure management and contaminant release across a range of critical engine covers and assemblies. Its integration into the engine system contributes to the overall efficiency, reliability, and longevity of commercial trucks.