3698017
Lock Washer
Cummins®

Introduction

The Cummins 3698017 Lock Washer is a specialized component designed for use in commercial trucks. Its primary function is to enhance the security of bolted connections, ensuring that fasteners remain tight under dynamic and high-stress conditions commonly encountered in heavy-duty applications.

Basic Concepts of Lock Washers

Lock washers are mechanical devices used in fastening systems to prevent loosening of bolts and nuts. They operate by applying additional pressure to the components being joined, creating friction that resists vibration and movement. This is achieved through various designs, including split washers, toothed washers, and wavy washers, each providing a unique method of securing the fastener ¹.

Purpose of the Cummins 3698017 Lock Washer

This Cummins part plays a role in the operation and maintenance of commercial trucks by ensuring secure fastening in environments where vibrations and dynamic loads are prevalent. It is specifically engineered to maintain the integrity of bolted connections, preventing loosening that could lead to component failure or safety hazards.

Key Features

The Cummins 3698017 Lock Washer is characterized by several key features that enhance its performance. It is typically made from high-strength materials such as spring steel, which provides durability and resilience under stress. The design includes a split or wavy configuration that creates additional friction when the washer is compressed, effectively locking the fastener in place. Additionally, the washer is coated to resist corrosion, ensuring longevity in various operating conditions ².

Benefits of Using the Cummins 3698017 Lock Washer

Utilizing this part offers several advantages. It provides improved fastening security by preventing bolts and nuts from loosening due to vibrations or dynamic loads. The washer’s durable construction ensures long-term performance, even under high-stress conditions. Furthermore, its resistance to corrosion enhances its service life, making it a reliable component for commercial truck applications ³.

Installation Guidelines

To ensure optimal performance and longevity, the Cummins 3698017 Lock Washer should be installed according to the following guidelines:

1. Clean the mating surfaces to remove any dirt or debris.
2. Place the lock washer under the bolt head or nut, ensuring it is properly aligned.
3. Tighten the bolt or nut to the manufacturer’s specified torque settings.
4. Inspect the installation to confirm that the washer is seated correctly and that the fastener is secure.

Troubleshooting Common Issues

Common problems associated with lock washers include loosening and damage. To address these issues:

• Inspect the washer for signs of wear or deformation. If damaged, replace it with a new one.
• Ensure that the fastener is tightened to the correct torque specification to prevent over-tightening or under-tightening.
• Check for proper alignment and seating of the washer during installation.

Maintenance Tips

Regular maintenance of the Cummins 3698017 Lock Washer is important to ensure its continued effectiveness. Recommendations include:

• Periodically inspect the washer for signs of wear, corrosion, or damage.
• Replace the washer if it shows signs of significant wear or if it has become deformed.
• Follow the manufacturer’s guidelines for torque settings and maintenance intervals to prolong the service life of the washer.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions technologies. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and expertise make it a trusted partner for commercial vehicle manufacturers and operators worldwide ⁴.

Role of Part 3698017 Lock Washer in Engine Systems

In the context of engine systems, particularly those involving turbochargers, the 3698017 Lock Washer serves an important function in maintaining the integrity and efficiency of the assembly.

When installed in a turbocharger system, this part is typically positioned between the turbine housing and the compressor housing. Its primary role is to prevent the loosening of fasteners that secure these components together. By doing so, it ensures that the connection remains tight under the high-stress conditions experienced during engine operation.

Additionally, the lock washer interacts with other components such as the turbine wheel, compressor wheel, and the shaft that connects them. It helps in maintaining the precise alignment and balance necessary for optimal turbocharger performance.

In scenarios where the turbocharger is part of a larger engine system, the 3698017 Lock Washer also plays a role in the overall stability of the engine’s rotating assembly. This includes interactions with the crankshaft, pistons, and connecting rods, ensuring that the increased air flow from the turbocharger is effectively utilized without compromising the structural integrity of the engine.

Furthermore, the lock washer is instrumental in scenarios where the turbocharger is connected to the intercooler. It ensures that the connection points between the turbocharger outlet and the intercooler inlet remain secure, facilitating efficient air cooling before it enters the engine’s combustion chambers.

Conclusion

In summary, the Cummins 3698017 Lock Washer is a small yet significant component in engine systems, particularly those equipped with turbochargers. Its role in securing fasteners and maintaining component alignment is essential for the reliable and efficient operation of the engine.