2894637
Lock Washer
Cummins®

The Cummins Part #2894637 Lock Washer is a specialized component designed for use in commercial truck maintenance. This lock washer serves to enhance the security of fasteners, ensuring they remain tight under various operating conditions. Its role is significant in maintaining the integrity and safety of truck components, contributing to the overall reliability of the vehicle ¹.

Basic Concepts of Lock Washers

Lock washers are mechanical devices used in fastening applications to prevent screws and bolts from loosening. They operate by applying tension to the fastener, which creates friction between the washer and the surface it contacts. This friction helps to counteract the effects of vibration and movement that can cause fasteners to become loose over time. Lock washers come in various designs, including split lock washers and serrated lock washers, each offering different levels of security and application suitability ².

Purpose of the Cummins Part #2894637 Lock Washer

The Cummins Part #2894637 Lock Washer is specifically engineered to play a role in the fastening systems of commercial trucks. It is typically used in applications where vibrations and dynamic loads are common, such as in the engine compartment, suspension systems, and other critical areas. The washer’s design ensures that fasteners remain securely in place, which is vital for the safe and efficient operation of the truck ³.

Key Features

The Cummins Part #2894637 Lock Washer is distinguished by several key features. It is made from high-strength materials, ensuring durability and resistance to wear. The design includes specific serrations or splits that provide enhanced gripping power, making it more effective than standard lock washers in preventing fastener loosening. Additionally, the washer is engineered to withstand the harsh conditions typical of commercial truck environments, including exposure to moisture, chemicals, and extreme temperatures.

Benefits

Using the Cummins Part #2894637 Lock Washer offers several advantages. It provides improved fastening security, which is crucial in applications where fastener loosening can lead to component failure or safety hazards. The washer’s resistance to vibration ensures that fasteners remain tight, even under dynamic loads. Furthermore, its longevity in harsh operating conditions reduces the need for frequent replacements, contributing to lower maintenance costs and increased vehicle uptime.

Installation Guidelines

Proper installation of the Cummins Part #2894637 Lock Washer is crucial for its effectiveness. It should be placed under the bolt head or nut, ensuring that the serrations or splits are in contact with the surface being fastened. It is important to use the correct size washer for the fastener to ensure a proper fit and maximum effectiveness. Avoid over-tightening the fastener, as this can damage the washer and reduce its effectiveness. Regular inspection of the washer and fastener is recommended to ensure continued security.

Troubleshooting and Maintenance

Common issues with lock washers include deformation or damage from over-tightening or corrosion. Regular inspection can help identify these issues early. Maintenance tips include cleaning the washer and fastener surfaces to remove any debris or corrosion that could affect performance. If the washer shows signs of wear or damage, it should be replaced to maintain the security of the fastening system.

About Cummins

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 reputation for quality, reliability, and innovation in the commercial truck industry. The company’s product range includes a wide array of components and systems designed to enhance the performance, efficiency, and durability of commercial vehicles.

Lock Washer 2894637 Compatibility with Cummins Engines

The Lock Washer part number 2894637, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is crucial for ensuring the stability and security of bolted connections, preventing loosening due to vibration or movement.

ISX12 Series

• ISX12 CM2350 X102
• ISX12/ISX11.9 CM2250

The ISX12 series engines, including the ISX12 CM2350 X102 and ISX12/ISX11.9 CM2250, are high-performance engines that benefit from the use of the Lock Washer 2894637. This part is integral in maintaining the integrity of critical connections within these engines.

ISZ13 Series

• ISZ13 CM2150 Z105

The ISZ13 CM2150 Z105 engine also utilizes the Lock Washer 2894637. This engine, like others in the ISX12 series, relies on secure fastening to ensure optimal performance and longevity.

QSX11.9 Series

• QSX11.9 CM2250 ECF

The QSX11.9 CM2250 ECF engine incorporates the Lock Washer 2894637 to maintain the reliability of its bolted joints. This ensures that the engine components remain securely fastened under various operating conditions.

QSZ13 Series

• QSZ13 CM2150 Z102

The QSZ13 CM2150 Z102 engine is another model that benefits from the Lock Washer 2894637. This part is essential for maintaining the structural integrity of the engine by preventing loosening of bolts and nuts.

By ensuring that the Lock Washer 2894637 is used in these engines, Cummins maintains the high standards of quality and reliability that their customers expect.

Role of Part 2894637 Lock Washer in Engine Systems

In the context of engine systems, the Part 2894637 Lock Washer is instrumental in ensuring the secure fastening of various components. Its application is widespread across different engine assemblies, providing stability and preventing loosening due to vibrations.

Drive System

Within the drive system, the Lock Washer is often used in conjunction with bolts and nuts that secure the drive shaft to the engine block. This ensures that the drive shaft remains firmly attached, allowing for efficient power transmission from the engine to the wheels or other driven components.

Rear Gear Train Accessory

In the rear gear train accessory, the Lock Washer plays a significant role in maintaining the integrity of the gear connections. It is commonly placed between the gear housing and the fastening nuts or bolts. This prevents any unintended movement of the gears, which could lead to misalignment and subsequent failure of the gear train.

Power Take-Off Housing

For the Power Take-Off (PTO) Housing, the Lock Washer is essential in securing the PTO shaft to the housing. This is particularly important as the PTO system is subjected to significant stress and vibration during operation. The Lock Washer ensures that the PTO shaft remains securely attached, facilitating the transfer of power to auxiliary equipment without risk of disconnection.

Power Takeoff Housing

Similarly, in the Power Takeoff Housing, the Lock Washer is used to secure various components within the housing, such as bearings and seals. This ensures that these components remain in their proper positions, maintaining the efficiency and reliability of the PTO system.

Conclusion

The Cummins Part #2894637 Lock Washer is a critical component in the maintenance and reliability of commercial trucks. Its design and features ensure that fasteners remain securely in place, even under harsh operating conditions. Proper installation and maintenance of this part are essential for the continued safety and efficiency of the vehicle. By using the Cummins Part #2894637 Lock Washer, truck operators can enhance the performance and longevity of their vehicles, ensuring they meet the high standards of quality and reliability expected in the industry.