3911423
Rocker Lever Support
Cummins®

The Cummins Rocker Lever Support 3911423 is a critical component designed to enhance the operation of commercial truck engines. This part is integral to the valve train system, ensuring efficient and reliable engine performance. Understanding its purpose and significance can provide valuable insights into maintaining and optimizing truck engine functionality.

Basic Concepts of Rocker Lever Support

Rocker lever supports are fundamental components within an engine’s valve train. They function by transferring motion from the camshaft to the valves, enabling the precise opening and closing of the valves in synchronization with the engine’s operation. This transfer of motion is essential for the intake and exhaust processes, directly influencing the engine’s overall performance and efficiency ¹.

Purpose and Role of Rocker Lever Support 3911423

The Rocker Lever Support 3911423 plays a specific role in the operation of a truck engine by facilitating the transfer of motion from the camshaft to the valves. This part ensures that the valves open and close at the correct times, which is vital for the engine’s combustion process. By maintaining the proper alignment and support for the rocker arms, it contributes to the engine’s smooth and efficient operation ².

Key Features of Rocker Lever Support 3911423

The design and construction of the Rocker Lever Support 3911423 incorporate several features that enhance its performance and durability. Constructed from high-quality materials, this component is engineered to withstand the rigorous conditions within a truck engine. Its precise engineering specifications ensure compatibility and optimal function within the valve train system. Unique attributes such as robust build and precise machining contribute to its reliability and longevity ³.

Benefits of Using Rocker Lever Support 3911423

Utilizing the Rocker Lever Support 3911423 offers several advantages. It contributes to improved engine efficiency by ensuring precise valve operation, which can lead to better fuel economy and performance. The component’s reliability and durability reduce the likelihood of engine failures, enhancing overall engine longevity. Additionally, its design may offer cost-effectiveness through reduced maintenance requirements and extended service intervals.

Installation and Integration

Proper installation and integration of the Rocker Lever Support 3911423 are vital for ensuring its effective function within the engine system. It is important to follow manufacturer guidelines to ensure compatibility with other engine components and to meet any special requirements for installation. Careful attention to detail during installation can prevent issues and ensure optimal performance.

Troubleshooting Common Issues

Common problems associated with rocker lever supports can include wear, misalignment, or failure due to material fatigue. Diagnostic tips for addressing these issues involve inspecting the component for signs of wear or damage, ensuring proper alignment, and verifying that all connections are secure. Recommended solutions may include replacement or adjustment of the component to restore proper function.

Maintenance and Care

Routine maintenance and care practices are essential for ensuring the optimal performance and longevity of the Rocker Lever Support 3911423. Regular inspection intervals should be observed to check for wear or damage. Lubrication requirements should be met to reduce friction and wear. Replacement guidelines should be followed to ensure that the component is replaced before it fails, maintaining engine efficiency and reliability.

Compatibility of Rocker Lever Support Part 3911423 with Cummins Engines

The Rocker Lever Support part 3911423, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is crucial for maintaining the proper function of the rocker levers, which are integral to the engine’s valve train system. Here is a detailed breakdown of the engines with which this part is compatible:

3.9L Engines

• 4B3.9
• B3.9 G
• ISB3.9 CM2220 B107
• QSB3.9 30 CM550
• QSB3.9 CM2880 B138

These engines share a common architecture and specifications, making the Rocker Lever Support part 3911423 a suitable fit for all of them.

5.9L Engines

• 6B5.9
• B5.9 CM2670 B166C
• B5.9 G
• B5.9 GAS PLUS CM556
• ISB5.9 CM2880 B127
• ISB5.9G CM2180
• QSB5.9 30 CM550
• QSB5.9 CM2880 B139
• QSB5.9 CM550
• QSB5.9G

The 5.9L engines listed above also share similar design elements, ensuring that the Rocker Lever Support part 3911423 is compatible across this engine family.

6.7L Engine

• B6.7S

The B6.7S engine, being a larger displacement engine, has its own unique specifications but still accommodates the Rocker Lever Support part 3911423.

5.9L G Engines

• G5.9
• G5.9 CM558

The G5.9 and G5.9 CM558 engines are designed for specific applications and utilize the Rocker Lever Support part 3911423 to ensure optimal performance and longevity.

By understanding the compatibility of the Rocker Lever Support part 3911423 with these various engines, technicians and operators can confidently select and install this part, ensuring the continued reliability and efficiency of their Cummins-powered equipment.

Understanding the Integration of Part 3911423 Rocker Lever Support in Engine Systems

In the orchestration of an engine’s valve train, the rocker lever support, specifically part 3911423, assumes a significant role. This component is integral to the functionality and efficiency of the valve actuation system.

The rocker lever support serves as the mounting point for the rocker lever, which is a pivotal element in transferring motion from the camshaft to the valves. The rocker lever, in turn, is connected to the rocker lever shaft, which facilitates the oscillatory motion necessary for valve operation.

The interaction between the rocker lever support and the rocker lever is designed to ensure precise and consistent valve timing. This is achieved through the support’s stable positioning, which allows the rocker lever to pivot with minimal friction and wear. The support’s design also contributes to the overall durability of the valve train, as it must withstand the dynamic forces exerted during engine operation.

In summary, part 3911423 rocker lever support is a fundamental component in the valve train assembly, ensuring the reliable transfer of motion from the camshaft to the valves via the rocker lever and rocker lever shaft. Its proper integration and maintenance are essential for the engine’s performance and longevity.

Conclusion

The Rocker Lever Support 3911423 by Cummins is a vital component in the valve train system of commercial truck engines. Its role in ensuring precise valve operation contributes to the engine’s efficiency, reliability, and longevity. Proper installation, maintenance, and understanding of its compatibility with various Cummins engines are crucial for optimal engine performance.