4947600
Shoulder Isolator Cap Screw
Cummins®

Introduction

The 4947600 Shoulder Isolator Cap Screw is a specialized component designed for heavy-duty truck applications. Manufactured by Cummins, a renowned name in the industry, this cap screw serves a specific function within the mechanical systems of trucks. Cummins is well-known for its commitment to quality and innovation in the production of truck components, ensuring that each part meets rigorous standards for performance and durability ¹.

Basic Concepts of Shoulder Isolator Cap Screws

A Shoulder Isolator Cap Screw is a type of fastener that includes a shoulder—a cylindrical section that provides additional support and isolation between components. This design helps in distributing loads more evenly and reducing stress on the connected parts. Within a truck’s mechanical system, these cap screws play a role in securing components while also providing necessary isolation to enhance performance and longevity ².

Purpose and Role in Truck Operation

The 4947600 Shoulder Isolator Cap Screw is specifically designed to secure and isolate components within heavy-duty truck engines and other mechanical systems. By providing a stable connection point, it helps in maintaining the integrity of the assembly under various operating conditions. This cap screw contributes to the overall functionality and performance of the truck by ensuring that components remain securely in place, even under high stress and vibration ³.

Key Features

The 4947600 Shoulder Isolator Cap Screw boasts several key features that set it apart from other fasteners. It is constructed from high-strength materials, ensuring durability and resistance to wear. The design includes a precisely machined shoulder that provides additional support and isolation. Additionally, the cap screw features a corrosion-resistant coating, enhancing its longevity in harsh operating environments.

Benefits

Using the 4947600 Shoulder Isolator Cap Screw offers several advantages. Its high-strength material composition and precise design contribute to improved durability and performance. The corrosion-resistant coating ensures longevity, reducing the need for frequent replacements. Additionally, the cap screw’s ability to provide stable and isolated connections can lead to enhanced overall system performance and potentially lower maintenance costs over time.

Installation Process

Proper installation of the 4947600 Shoulder Isolator Cap Screw is crucial for ensuring optimal performance. The process involves several steps:

1. Ensure the mating surfaces are clean and free of debris.
2. Align the cap screw with the designated hole.
3. Use the appropriate torque wrench to tighten the cap screw to the specified torque setting, ensuring a secure fit without over-tightening.
4. Inspect the installation to confirm that the cap screw is properly seated and the components are securely connected.

Troubleshooting Common Issues

Common issues with Shoulder Isolator Cap Screws may include loosening over time, corrosion, or damage due to excessive stress. To troubleshoot these problems:

• Regularly inspect the cap screw for signs of wear or corrosion.
• If loosening is detected, re-tighten the cap screw to the specified torque setting.
• In cases of significant corrosion or damage, replacement may be necessary to ensure continued performance and safety.

Maintenance Tips

To ensure the longevity and optimal performance of the 4947600 Shoulder Isolator Cap Screw, regular maintenance is recommended:

• Inspect the cap screw during routine maintenance checks for signs of wear, corrosion, or damage.
• Clean the cap screw and surrounding areas to remove any debris or contaminants.
• Re-torque the cap screw periodically to maintain a secure connection.
• Consider replacement if significant wear or damage is observed to prevent potential failures.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and quality, Cummins has established a strong reputation in the heavy-duty truck industry. The company is committed to providing reliable and high-performance components that meet the demanding requirements of modern truck applications. Cummins’ dedication to quality and customer satisfaction ensures that their products, including the 4947600 Shoulder Isolator Cap Screw, are trusted by professionals worldwide.

Cummins Engine Part 4947600: Shoulder Isolator Cap Screw

The Cummins part number 4947600, known as the Shoulder Isolator Cap Screw, is a critical component in the assembly of various Cummins engines. This part is designed to secure the engine’s mounting isolators to the engine block, ensuring stability and reducing vibration. The Shoulder Isolator Cap Screw is used across a range of Cummins engine models, each of which has distinct specifications and applications.

B5.6 CM2670 B152B and B6.7 CM2670 B153B

The B5.6 CM2670 B152B and B6.7 CM2670 B153B engines are part of Cummins’ B-Series lineup. These engines are typically used in medium-duty applications, such as vocational trucks and industrial equipment. The Shoulder Isolator Cap Screw ensures that the engine’s mounting isolators are firmly attached, providing a stable foundation for the engine.

ISB CM2150 and ISBE CM2150

The ISB CM2150 and ISBE CM2150 engines are part of Cummins’ ISB and ISBE series, respectively. These engines are known for their durability and efficiency, often used in heavy-duty trucks and construction equipment. The Shoulder Isolator Cap Screw is essential in these engines to maintain the integrity of the engine mount system, contributing to the overall performance and longevity of the engine.

ISB/ISD6.7 CM2150 SN

The ISB/ISD6.7 CM2150 SN engine is another variant in the ISB series, designed for high-performance applications. This engine is commonly found in heavy-duty trucks and industrial machinery. The Shoulder Isolator Cap Screw plays a crucial role in securing the engine mounts, ensuring that the engine remains stable under heavy loads and varying conditions.

ISB5.9 CM2880 B110, ISB5.9 CM2880 B140, and ISB5.9 CM2880 B149

The ISB5.9 CM2880 B110, ISB5.9 CM2880 B140, and ISB5.9 CM2880 B149 engines are part of Cummins’ ISB series, designed for medium-duty applications. These engines are known for their power and efficiency, often used in vocational trucks and industrial equipment. The Shoulder Isolator Cap Screw is vital in these engines to maintain the stability of the engine mounts, ensuring smooth operation and reducing wear on engine components.

ISB6.7 CM2250 and ISB6.7 CM2350 B101

The ISB6.7 CM2250 and ISB6.7 CM2350 B101 engines are part of Cummins’ ISB series, designed for heavy-duty applications. These engines are commonly used in heavy-duty trucks and construction equipment. The Shoulder Isolator Cap Screw is essential in these engines to secure the engine mounts, providing stability and reducing vibration, which is critical for maintaining engine performance under heavy loads.

ISB6.7 G CM2180 B118

The ISB6.7 G CM2180 B118 engine is a variant in the ISB series, designed for gas applications. This engine is used in various industrial and power generation equipment. The Shoulder Isolator Cap Screw is crucial in this engine to ensure that the engine mounts are securely fastened, contributing to the engine’s overall stability and efficiency.

ISBE CM800 and ISBE4 CM850

The ISBE CM800 and ISBE4 CM850 engines are part of Cummins’ ISBE series, designed for heavy-duty applications. These engines are commonly used in heavy-duty trucks and industrial machinery. The Shoulder Isolator Cap Screw is essential in these engines to secure the engine mounts, ensuring that the engine remains stable and performs optimally under heavy loads.

QSB5.9 CM2880 B115, QSB6.7 CM850 (CM2850), and QSB7 CM2880 B117

The QSB5.9 CM2880 B115, QSB6.7 CM850 (CM2850), and QSB7 CM2880 B117 engines are part of Cummins’ QSB series, designed for medium-duty applications. These engines are often used in vocational trucks and industrial equipment. The Shoulder Isolator Cap Screw is crucial in these engines to secure the engine mounts, ensuring stability and reducing vibration, which is essential for maintaining engine performance and longevity.

Role of Part 4947600 Shoulder Isolator Cap Screw in Engine Systems

In the context of engine systems, the part 4947600 Shoulder Isolator Cap Screw is instrumental in ensuring the secure attachment and isolation of various components. This screw is typically used in conjunction with a Hexagon Flange Head Cap Screw to provide additional stability and vibration damping.

When integrated into a Valve Cover arrangement, the Shoulder Isolator Cap Screw helps in maintaining the integrity of the seal between the valve cover and the engine block. This is essential for preventing oil leaks and ensuring that the valve cover remains firmly in place under varying engine operating conditions.

Additionally, the use of this screw in conjunction with a Valve Cover enhances the overall durability and reliability of the engine system. The isolation properties of the screw help in reducing the transmission of vibrations from the engine to the valve cover, which can otherwise lead to premature wear and potential failure of the valve cover gasket.

In summary, the 4947600 Shoulder Isolator Cap Screw plays a significant role in the secure and efficient operation of engine components, particularly in valve cover applications where both stability and isolation are required.

Conclusion

The 4947600 Shoulder Isolator Cap Screw by Cummins is a critical component in heavy-duty truck engines, providing stability, isolation, and durability. Its precise design, high-strength materials, and corrosion-resistant coating make it an essential part for maintaining the integrity and performance of engine systems. Proper installation, regular maintenance, and timely replacement are key to ensuring the longevity and reliability of this Cummins part.