3681288
Shim
Cummins®

The Cummins 3681288 Shim is a specialized component designed for use in heavy-duty truck operations. Its primary role is to provide precise adjustments within the mechanical systems of these vehicles, ensuring optimal performance and reliability. Understanding the function and application of this shim is vital for maintaining the efficiency and longevity of heavy-duty trucks ¹.

Basic Concepts of Shims

Shims are thin, often washer-like spacers used in mechanical systems to fill small gaps, provide support, or make fine adjustments. They are crucial for achieving the correct clearances and alignments in various components. By inserting shims, mechanics can fine-tune the fit and function of parts, which is especially important in high-precision applications ².

Purpose of the 3681288 Shim

The Cummins 3681288 Shim plays a specific role in the operation of heavy-duty trucks. It is utilized in engine components to ensure proper clearances and alignments. This shim helps in maintaining the precise gaps required between moving parts, which is essential for the smooth operation of the engine. Its application ensures that components function within their designed parameters, contributing to the overall efficiency and reliability of the truck ³.

Key Features

The Cummins 3681288 Shim is characterized by several key features that make it suitable for its intended use. It is typically made from high-quality materials that offer durability and resistance to wear. The shim’s thickness is precisely engineered to provide the exact clearance needed for optimal performance. Its design ensures easy installation and removal, facilitating maintenance and adjustments ⁴.

Benefits of Using the 3681288 Shim

Using the Cummins 3681288 Shim offers several advantages. It provides improved precision in mechanical adjustments, which is crucial for the efficient operation of heavy-duty trucks. The shim enhances the performance of engine components by ensuring they operate within their specified clearances. Additionally, it contributes to the reliability of truck operations by preventing issues that may arise from improper clearances ⁵.

Installation and Usage

Proper installation of the Cummins 3681288 Shim is critical for its effective function. It should be placed according to the manufacturer’s guidelines to ensure the correct clearances are achieved. During installation, it is important to follow specific procedures to avoid damage to the shim or surrounding components. Precautions such as using the appropriate tools and ensuring a clean working environment are recommended to maintain the integrity of the shim and the components it supports ⁶.

Troubleshooting and Maintenance

Common issues related to the Cummins 3681288 Shim may include wear or improper clearances. Regular maintenance checks can help identify these issues early. Signs of wear or failure, such as increased noise or vibration from the affected components, may indicate the need for replacement. Proper maintenance of the shim and associated components can ensure its longevity and continued reliable performance ⁷.

Compatibility and Application

The Cummins 3681288 Shim is designed for use in specific types of trucks and engine models. It is commonly applied in scenarios where precise clearances are required for optimal engine performance. Understanding the compatibility of this shim with various truck models and engine types is important for its effective application ⁸.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and commitment to quality, Cummins has established itself as a trusted name in the automotive and heavy-duty truck industry. The company’s focus on technological advancement and customer satisfaction underscores its role in providing reliable and efficient solutions for the transportation sector ⁹.

Shim Part 3681288 Compatibility with Cummins Engines

The Shim part 3681288, manufactured by Cummins, is a critical component designed to ensure proper alignment and fit within various Cummins engine models. This part is integral to the engine’s assembly and performance, providing necessary clearances and adjustments.

ISX Series Engines

• ISX CM570
• ISX CM870
• ISX CM871
• ISX15 CM2250
• ISX15 CM2250 SN
• ISX15 CM2350 X101

The Shim part 3681288 is compatible with the ISX series engines, which include the ISX CM570, ISX CM870, ISX CM871, ISX15 CM2250, ISX15 CM2250 SN, and ISX15 CM2350 X101. This part is essential for maintaining the precise tolerances required for these engines, ensuring optimal performance and longevity.

QSX Series Engines

• QSX15 CM2250
• QSX15 CM2250 ECF
• QSX15 CM2350 X105

The Shim part 3681288 is also suitable for the QSX series engines, including the QSX15 CM2250, QSX15 CM2250 ECF, and QSX15 CM2350 X105. This part ensures that the engine components are correctly aligned, which is crucial for the smooth operation of these engines.

X15 Series Engines

• X15 CM2350 X116B
• X15 CM2350 X123B
• X15 CM2450 X134B

Lastly, the Shim part 3681288 is compatible with the X15 series engines, which include the X15 CM2350 X116B, X15 CM2350 X123B, and X15 CM2450 X134B. This part plays a vital role in the assembly and maintenance of these engines, ensuring that all components fit together seamlessly and function as intended ¹⁰.

Role of Part 3681288 Shim in Engine Systems

Part 3681288 Shim is integral to the precise functioning of several engine components, ensuring optimal performance and longevity. In the context of the Lubricating Oil Pump, this shim plays a significant role in maintaining the correct clearance between moving parts. Proper clearance is essential for efficient oil flow and pressure regulation, which are vital for the pump’s performance.

When integrated into a Lubricating Oil Pump Kit or a Lubricating Pump Kit, the shim ensures that all components within the kit operate harmoniously. This is particularly important during the assembly or overhaul of the pump, where precise fitting is required to avoid leaks and ensure consistent oil delivery.

In an Overhaul Kit, Part 3681288 Shim is often included to facilitate the restoration of the pump to its original specifications. The shim helps in recalibrating the pump after wear and tear have altered the clearances, thus contributing to the overall effectiveness of the overhaul process.

Shims, in general, are small but mighty components that provide the necessary adjustments in various engine systems. They are often overlooked but are fundamental in fine-tuning the performance of mechanical parts. In the case of Part 3681288, its application in lubricating systems underscores its importance in maintaining the health and efficiency of the engine ¹¹.

Conclusion

The Cummins 3681288 Shim is a critical component in the maintenance and operation of heavy-duty trucks. Its role in ensuring precise clearances and alignments within engine components is essential for the efficient and reliable performance of these vehicles. Proper understanding and application of this shim can significantly contribute to the longevity and efficiency of heavy-duty truck engines.