4935583
Captive Washer Cap Screw
Cummins®

The Captive Washer Cap Screw, identified by part number 4935583, is a component manufactured by Cummins, a renowned name in the automotive industry. This screw plays a significant role in the assembly and operation of heavy-duty trucks, contributing to the structural integrity and functionality of various truck components.

Basic Concepts

A Captive Washer Cap Screw is a type of fastener that includes an integrated washer. This design ensures that the washer remains in place during installation, reducing the risk of loss and simplifying the assembly process ¹. The 4935583 Captive Washer Cap Screw consists of a threaded shaft, a head for applying torque, and an integrated washer that distributes the load and prevents damage to the fastened material.

Purpose and Role

This Cummins part serves to secure components within a truck’s assembly, playing a role in maintaining structural integrity and ensuring that parts remain firmly in place under various operating conditions. Its design allows for efficient load distribution, which is crucial for the durability and reliability of truck components ².

Key Features

The 4935583 Captive Washer Cap Screw is characterized by its robust design and high-quality material composition. It is crafted from durable materials to withstand the rigors of heavy-duty truck operations. The integrated washer enhances its performance by providing additional support and load distribution, while the screw’s design ensures easy installation and reliable fastening.

Benefits

Utilizing the 4935583 Captive Washer Cap Screw offers several advantages. Its design contributes to improved reliability by ensuring that components are securely fastened. The integrated washer simplifies the installation process, reducing the likelihood of errors. Additionally, the screw’s durability and ease of maintenance contribute to overall efficiency in truck operations ³.

Installation Process

Proper installation of the 4935583 Captive Washer Cap Screw involves several steps. Begin by ensuring the surface is clean and free of debris. Align the screw with the designated hole, and use a torque wrench to apply the recommended torque setting. It is important to avoid over-tightening, which can lead to damage, and to ensure that the screw is fully seated to achieve optimal performance.

Troubleshooting and Maintenance

Common issues with the 4935583 Captive Washer Cap Screw may include corrosion or loosening over time. Regular inspection and maintenance are recommended to identify and address these issues promptly. Cleaning the screw and surrounding area, and reapplying a suitable lubricant if necessary, can help maintain its performance and longevity.

Manufacturer - Cummins

Cummins is a leading manufacturer in the automotive industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance components, Cummins has established a strong reputation for excellence. The company’s dedication to advancing technology and meeting the needs of its customers underscores its position as a trusted provider of automotive parts.

Cummins Part 4935583 in Engine Applications

The Captive Washer Cap Screw, part number 4935583, manufactured by Cummins, is a critical component in the assembly and operation of various engine models. This part is integral to the structural integrity and operational efficiency of the engines it is used in.

QSC8.3 CM850 (CM2850) Engines

In the QSC8.3 CM850 (CM2850) engines, the Captive Washer Cap Screw is utilized in several key areas. It is often employed in securing various engine components, ensuring that they remain firmly in place under the high stress and vibrations typical of engine operation. This screw’s design, which includes a captive washer, provides added stability and prevents the screw from loosening over time.

The Captive Washer Cap Screw is also used in the assembly of engine blocks, cylinder heads, and other critical engine parts. Its robust construction and precise fitment are essential for maintaining the alignment and performance of these components. The use of this screw in these engines ensures that the engine operates smoothly and efficiently, contributing to the overall reliability and longevity of the engine.

By integrating the Captive Washer Cap Screw into the design of the QSC8.3 CM850 (CM2850) engines, Cummins ensures that these engines can withstand the demanding conditions they are subjected to, providing dependable power and performance.

Role of Part 4935583 Captive Washer Cap Screw in Engine Systems

The 4935583 Captive Washer Cap Screw is integral to the secure assembly and reliable operation of various engine components. In the context of the harness and electronic control module (ECM) wiring, this screw plays a significant role in maintaining the structural integrity and electrical connections essential for engine performance.

Harness Assembly

In the harness assembly, the 4935583 Captive Washer Cap Screw is used to fasten the harness to the engine block or other mounting points. This ensures that the harness remains securely in place, reducing the risk of vibrations or movement that could lead to wire fatigue or disconnection. The captive washer within the screw design prevents loss of the washer during installation, ensuring consistent and reliable fastening.

ECM Wiring

For the ECM wiring, the 4935583 Captive Washer Cap Screw is employed to secure the wiring to the engine or chassis. This is particularly important for the ECM, as stable and secure wiring is essential for accurate signal transmission and reliable engine management. The screw’s design helps in maintaining a tight and consistent connection, which is vital for the ECM to receive and send signals without interference.

Overall Impact

By ensuring that both the harness and ECM wiring are securely fastened, the 4935583 Captive Washer Cap Screw contributes to the overall reliability and performance of the engine system. Its role in preventing wire movement and maintaining electrical integrity is fundamental to the efficient operation of modern engine components.

Conclusion

The 4935583 Captive Washer Cap Screw is a vital component in the assembly and operation of heavy-duty trucks and engines. Its robust design, ease of installation, and reliable performance make it an essential part for maintaining structural integrity and operational efficiency in automotive applications. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.