3697304
Rocker Lever
Cummins®

Introduction

The Cummins 3697304 Rocker Lever is a component designed for use in commercial truck engines. It serves a specific function within the engine’s valve train, contributing to the overall performance and efficiency of the truck. Understanding its role and significance can provide valuable insights into the complexities of engine operation and maintenance.

Basic Concepts of Rocker Levers

A rocker lever, also known as a rocker arm, is a pivotal component in an engine’s valve train. It acts as a mechanical linkage that transfers motion from the camshaft to the valves. When the camshaft rotates, it pushes against the rocker lever, which then opens and closes the valves at precise intervals. This mechanism ensures that the engine’s air and fuel mixture is properly timed for combustion, which is vital for engine performance ¹.

Purpose of the 3697304 Rocker Lever

The Cummins 3697304 Rocker Lever is specifically engineered to interact with other components within the engine’s valve train. It plays a role in amplifying the motion from the camshaft to the valves, ensuring that they open and close with the correct force and timing. This interaction is crucial for maintaining engine efficiency and performance, as it directly affects the combustion process ¹.

Key Features

The 3697304 Rocker Lever is constructed with a focus on durability and performance. It is typically made from high-strength materials to withstand the rigors of commercial truck operation. Design elements such as precise machining and surface treatments enhance its performance and longevity. Additionally, the lever may feature unique characteristics such as adjustable components to fine-tune valve operation.

Benefits

The use of the 3697304 Rocker Lever in a truck engine can lead to several advantages. These include improved engine efficiency due to precise valve timing, enhanced durability under high-stress conditions, and potentially increased engine lifespan. The lever’s design and material composition contribute to these performance enhancements, making it a valuable component in the engine’s operation.

Installation Process

Installing the 3697304 Rocker Lever requires careful attention to detail. The process involves removing the old lever, if applicable, and positioning the new one in its place. Tools such as wrenches and torque wrenches may be necessary to secure the lever properly. It is important to follow manufacturer guidelines to ensure correct installation and to avoid damaging other engine components.

Troubleshooting Common Issues

Common problems with the 3697304 Rocker Lever may include noise from the valve train, improper valve timing, or lever failure. These issues can often be traced back to wear and tear, incorrect installation, or manufacturing defects. Solutions may involve adjusting the lever, replacing worn components, or seeking professional repair services if necessary.

Maintenance Tips

Regular maintenance of the 3697304 Rocker Lever is important for ensuring its longevity and optimal performance. This includes periodic inspections for signs of wear, cleaning to remove any buildup that could affect operation, and following manufacturer-recommended service intervals. Proper maintenance can help prevent issues and extend the life of the lever.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing reliable and high-performance engines. The company’s product range includes a variety of engine sizes and configurations, catering to diverse customer needs across the globe.

Compatibility of Rocker Lever Part 3697304 with Cummins Engines

The Rocker Lever part 3697304, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is crucial for the operation of the valve train, ensuring proper valve actuation and engine performance.

ISG11 CM2880 G108 and ISG12 CM2880 G107

The Rocker Lever part 3697304 is compatible with both the ISG11 CM2880 G108 and ISG12 CM2880 G107 engines. These engines are part of the Cummins ISG series, known for their reliability and efficiency in various applications.

ISG12 G CMOH6.0 G111

This Rocker Lever also fits the ISG12 G CMOH6.0 G111 engine. This engine variant is part of the same series, ensuring that the part is designed to work seamlessly with the engine’s specifications.

QSG12 CM2880 G112

The QSG12 CM2880 G112 engine is another model that is compatible with the Rocker Lever part 3697304. This engine is part of the Cummins QSG series, which is designed for high-performance applications.

QSG12/X12 CM2350 G110

The Rocker Lever part 3697304 is also suitable for the QSG12/X12 CM2350 G110 engine. This engine is a part of the Cummins QSG/X12 series, which combines the robustness of the QSG series with the advanced features of the X12 series.

X12 CM2350 X119B and X12 CM2670 X121B

Lastly, the Rocker Lever part 3697304 fits the X12 CM2350 X119B and X12 CM2670 X121B engines. These engines are part of the Cummins X12 series, known for their advanced technology and performance. The compatibility of this part with these engines ensures that it meets the stringent requirements of high-performance applications.

Integration of Part 3697304 Rocker Lever in Engine Systems

The part 3697304 Rocker Lever is an essential component in the operation of various engine systems, particularly in the context of the Cylinder Head and the Cylinder Top Level Assembly Head.

In the Cylinder Head, the Rocker Lever works in conjunction with the valve train mechanism. It transfers the motion from the camshaft to the valves, ensuring that the valves open and close at the precise moments required for optimal engine performance. This transfer of motion is facilitated through the Rocker Top Level Assembly Lever, which is directly connected to the Rocker Lever.

The Cylinder Top Level Assembly Head is a more comprehensive unit that includes the Cylinder Head and other associated components. Here, the Rocker Lever plays a significant role in maintaining the integrity and efficiency of the valve operation. It ensures that the valves are actuated with the correct force and timing, which is vital for the engine’s combustion process.

Conclusion

In summary, the Cummins 3697304 Rocker Lever is a critical component in the valve train system, ensuring that the valves within the Cylinder Head and the Cylinder Top Level Assembly Head operate efficiently and in sync with the engine’s requirements. Its compatibility with various Cummins engines underscores its importance in maintaining engine performance and efficiency.