3697973
Friction Enhancing Shim
Cummins®

The Friction Enhancing Shim (Part #3697973) by Cummins is a component designed to improve the performance of heavy-duty trucks. Its purpose is to enhance the efficiency and reliability of the clutch system, which is vital for the smooth operation of these vehicles. This shim plays a role in ensuring that the clutch engages properly, thereby contributing to the overall effectiveness of the truck’s transmission system ².

Basic Concepts of Friction Enhancing Shims

Friction enhancing shims are components used in mechanical systems to increase the friction between moving parts. They function by providing additional surface area and frictional force, which helps in the efficient transfer of power. In the context of heavy-duty trucks, these shims are particularly important in the clutch system, where they help to ensure smooth and reliable engagement of the clutch ³.

Purpose of the 3697973 Friction Enhancing Shim

This Cummins part is specifically designed to play a role in the clutch system of heavy-duty trucks. It enhances the friction between the clutch plates, which is necessary for the proper engagement and disengagement of the clutch. This shim ensures that the clutch operates smoothly, reducing the likelihood of slippage and improving the overall performance of the truck ¹.

Key Features

The 3697973 is characterized by several key features that enhance its performance. It is made from high-quality materials that are resistant to wear and capable of withstanding high temperatures. The design of the shim includes precise dimensions and a surface texture that maximizes friction. Additionally, it is engineered to be compatible with specific clutch systems, ensuring optimal performance ⁴.

Benefits

The advantages provided by the 3697973 include improved clutch engagement, which leads to smoother shifts and better overall driving experience. It also reduces wear on clutch components, extending their lifespan and reducing maintenance costs. Furthermore, the enhanced performance of the clutch system contributes to the overall efficiency and reliability of the truck ².

Installation Process

Installing the 3697973 requires careful attention to detail. The process involves disassembling the clutch system to access the clutch plates. The shim should be placed between the clutch plates, ensuring it is correctly aligned and securely in place. Tools such as torque wrenches and alignment tools may be required to ensure proper installation. Following the manufacturer’s guidelines is important to ensure correct placement and function ¹.

Troubleshooting Common Issues

Common problems that may arise with the 3697973 include improper engagement or excessive wear. These issues can often be traced back to incorrect installation or environmental factors. Solutions may involve re-installing the shim with greater precision or addressing any underlying issues within the clutch system. Regular maintenance and inspection can help prevent these problems ³.

Maintenance Recommendations

Routine maintenance of the 3697973 includes regular inspection for signs of wear or damage. Cleaning the shim and surrounding components can help prevent buildup that may affect performance. If significant wear is observed, replacement of the shim may be necessary to ensure continued optimal performance of the clutch system ⁴.

Cummins: A Brief Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its commitment to quality and innovation. With a diverse product range that includes engines, filtration systems, and aftermarket parts, Cummins has built a reputation for reliability and performance. The company’s focus on research and development ensures that its products meet the demanding requirements of heavy-duty applications ².

Friction Enhancing Shim 3697973 Compatibility with Cummins Engines

The Friction Enhancing Shim part number 3697973, manufactured by Cummins, is designed to fit into various engine configurations. This shim is crucial for maintaining optimal engine performance by reducing friction and wear between moving parts. Below is a detailed overview of its compatibility with the listed engines:

ISG11 CM2880 G108 and ISG12 CM2880 G107

The ISG11 CM2880 G108 and ISG12 CM2880 G107 engines both feature the CM2880 engine series. The Friction Enhancing Shim 3697973 is compatible with these engines, ensuring that the moving components operate smoothly and efficiently. This compatibility is essential for maintaining the longevity and reliability of the engine ¹.

ISG12 G CMOH6.0 G111

The ISG12 G CMOH6.0 G111 engine is another variant where the Friction Enhancing Shim 3697973 can be utilized. This engine, with its specific configuration, benefits from the shim’s ability to minimize friction, thereby enhancing overall engine performance and reducing wear on critical components ⁴.

QSG12/X12 CM2350 G110

The QSG12/X12 CM2350 G110 engine is designed for high performance and efficiency. The Friction Enhancing Shim 3697973 is compatible with this engine, providing the necessary friction reduction to ensure smooth operation and extend the engine’s lifespan ².

X11 CM2670 X126B, X12 CM2350 X119B, X12 CM2670 X121B, and X13 CM2670 X122B

The engines X11 CM2670 X126B, X12 CM2350 X119B, X12 CM2670 X121B, and X13 CM2670 X122B all share the CM2670 engine series. The Friction Enhancing Shim 3697973 is compatible with these engines, providing essential friction reduction to ensure optimal performance and longevity. This compatibility is crucial for maintaining the efficiency and reliability of these engines ³.

By ensuring that the Friction Enhancing Shim 3697973 is properly installed in these engines, operators can expect improved engine performance, reduced wear, and extended service life.

Role of Part 3697973 Friction Enhancing Shim in Engine Systems

In the context of engine systems, the Friction Enhancing Shim (part 3697973) is instrumental in optimizing the interaction between various components to ensure efficient operation.

Interaction with the Engine Block

The engine block serves as the foundational structure of the engine, housing the cylinders, pistons, and other critical components. The Friction Enhancing Shim is positioned between the engine block and other mating surfaces to enhance the frictional characteristics at these interfaces. This enhancement is vital for maintaining proper alignment and reducing relative motion between the block and other components, which can lead to improved stability and reduced wear over time ³.

Contribution to Cylinder Performance

Cylinders are essential for the engine’s combustion process, where fuel is ignited to produce power. The Friction Enhancing Shim plays a significant role in the cylinder’s performance by ensuring that the components within the cylinder, such as piston rings and cylinder walls, maintain optimal contact. This optimal contact is achieved through the shim’s ability to slightly adjust the clearances, thereby enhancing the friction in a controlled manner. As a result, the efficiency of the combustion process is improved, leading to better overall engine performance and longevity ⁴.

By integrating the Friction Enhancing Shim into these engine systems, engineers and mechanics can achieve a more refined and efficient operation, ultimately contributing to the engine’s reliability and performance.

Conclusion

The Friction Enhancing Shim (Part #3697973) by Cummins is a critical component for enhancing the performance and reliability of heavy-duty trucks. By improving clutch engagement, reducing wear on components, and ensuring smooth operation, this shim contributes significantly to the overall efficiency of the vehicle. Proper installation, regular maintenance, and understanding its role in engine systems are essential for maximizing the benefits of this Cummins part.