4900587
Lock Washer
Cummins®

Introduction

The Cummins 4900587 Lock Washer is a specialized component designed for use in commercial truck maintenance. Its purpose is to enhance the security of fasteners, ensuring they remain tightly in place under various operational conditions. This part is significant in maintaining the integrity and safety of truck assemblies, particularly in environments where vibrations and stress are common.

Basic Concepts of Lock Washers

Lock washers are mechanical devices used in fastening applications to prevent the loosening of nuts and bolts. Unlike regular washers, which primarily distribute load and prevent damage to the surface, lock washers are designed with features that create tension or bite into the fastening components. This tension helps to counteract the effects of vibration and dynamic loads, which can cause standard fasteners to loosen over time ¹.

Purpose of the 4900587 Lock Washer

The Cummins 4900587 Lock Washer plays a specific role in the operation and maintenance of commercial trucks by preventing the loosening of fasteners under vibration and stress. It is engineered to maintain the tightness of bolts and nuts, which is crucial in ensuring the structural integrity and safety of truck components. By doing so, it helps to reduce the frequency of maintenance required and enhances the overall durability of the fastening system ².

Key Features

The Cummins 4900587 Lock Washer is characterized by several key features that enhance its performance in heavy-duty applications. Its design includes a split or toothed configuration that creates friction and tension when installed. The material composition typically involves high-strength steel, which provides the necessary durability and resistance to wear. Additionally, the washer may feature a unique shape or additional serrations to maximize its locking capability ³.

Benefits of Using Lock Washers

Incorporating lock washers like the Cummins 4900587 in truck assemblies offers several advantages. These include improved safety by ensuring that critical fasteners remain secure, reduced maintenance frequency due to the enhanced stability of fastenings, and increased durability of fasteners by minimizing the risk of loosening under operational stress.

Installation Guidelines

Proper installation of the Cummins 4900587 Lock Washer involves several steps to ensure effectiveness. Begin by selecting the correct size washer for the fastener. Place the lock washer under the nut or bolt head, ensuring that the split or teeth are oriented correctly to engage with both the fastener and the surface. Tighten the fastener to the recommended torque specification, taking care not to over-tighten, which could damage the washer or the fastener. Common mistakes to avoid include incorrect orientation of the washer and using the wrong size, both of which can compromise the locking function.

Troubleshooting and Maintenance

Identifying issues related to lock washers involves checking for signs of wear and tear, such as deformation or corrosion, which can indicate that the washer is no longer effective. Improper installation, such as incorrect orientation or over-tightening, can also lead to problems. Regular inspection and replacement of worn or damaged lock washers are recommended to ensure longevity and performance. Additionally, maintaining clean and undamaged surfaces where the washer is installed can help prevent issues.

Common Applications

The Cummins 4900587 Lock Washer is typically used in various components and systems within commercial trucks. Common applications include securing engine mounts, transmission components, and chassis parts where vibrations and dynamic loads are prevalent. Its use in these areas helps to ensure the reliability and safety of the truck’s structure and operation.

Manufacturer Information - Cummins

Cummins Inc. is a renowned manufacturer in the commercial truck industry, known for its commitment to quality and innovation in automotive components. With a rich history of providing reliable and high-performance parts, Cummins has established a strong reputation for excellence. The company’s dedication to advancing technology and maintaining high standards in manufacturing ensures that its products, including the 4900587 Lock Washer, meet the demanding requirements of commercial truck applications.

Lock Washer 4900587 Compatibility with Cummins Engines

The Lock Washer part number 4900587, manufactured by Cummins, is designed to fit a range of Cummins engines. This part is essential for securing components in place, ensuring that bolts and screws remain tight and do not loosen over time. Here is a detailed look at its compatibility across various Cummins engines:

A1400 and A1700 Engines

The Lock Washer 4900587 is compatible with both the A1400 and A1700 engines. These engines are known for their robust performance and reliability, often used in a variety of applications from industrial machinery to agricultural equipment. The washer’s design ensures that it can withstand the operational stresses of these engines, providing a secure fit that enhances the longevity and efficiency of the machinery.

A2000 and A2300 Engines

Similarly, the Lock Washer 4900587 is also suitable for the A2000 and A2300 engines. These engines are part of Cummins’ higher power output range, often utilized in more demanding applications such as heavy-duty trucks and construction equipment. The washer’s ability to maintain a tight fit is crucial in these high-stress environments, where vibrations and heavy loads can otherwise cause bolts and screws to become loose.

Grouping for Efficiency

When considering the compatibility of the Lock Washer 4900587 across these engines, it is beneficial to group the A1400 and A1700 engines together due to their similar power outputs and operational requirements. Likewise, the A2000 and A2300 engines can be grouped together for the same reasons. This grouping simplifies the selection process for maintenance and repair, ensuring that the correct parts are readily available for use across similar engine types.

By understanding the compatibility of the Lock Washer 4900587 with these Cummins engines, technicians and operators can ensure that their equipment remains in optimal condition, reducing the risk of unexpected failures and extending the operational life of their machinery.

Role of Part 4900587 Lock Washer in Engine Systems

The part 4900587 Lock Washer is an essential component in securing various engine system connections and ensuring the integrity of the assembly. It is commonly used in conjunction with bolts and nuts to prevent loosening due to vibration or thermal expansion.

Air Intake Manifold

In the air intake manifold, the Lock Washer is employed to secure the manifold to the cylinder block. This ensures a tight seal, preventing air leaks that could affect engine performance. It maintains the manifold’s position under varying engine conditions, contributing to consistent air flow into the cylinders.

Alternator

When attaching the alternator to the engine block, the Lock Washer plays a role in securing the mounting bolts. This prevents the alternator from becoming loose, which could lead to electrical issues or even detachment, ensuring reliable power generation for the engine’s electrical systems.

Cylinder Block

In the cylinder block, Lock Washers are used in various fastening applications. They help maintain the integrity of connections between the block and other components, such as the oil pan or manifold. This is vital for preventing oil leaks and ensuring the structural stability of the engine.

Manifold

For both intake and exhaust manifolds, Lock Washers are critical in maintaining the fastening of these components to the cylinder block. They ensure that the manifolds remain securely attached, which is important for maintaining proper airflow and exhaust flow, respectively.

Oil Pan

The oil pan, which houses the engine’s lubricant, relies on Lock Washers to secure its attachment to the engine block. This ensures that the pan remains firmly in place, preventing oil leaks and maintaining the engine’s lubrication system’s efficiency.

Pan (Oil)

Similarly, in the context of the oil pan, Lock Washers are used to secure the pan’s bolts, ensuring that it stays attached to the engine block under operational stress. This is essential for containing the engine oil and preventing any potential leaks that could lead to lubrication failure.

Conclusion

In summary, the part 4900587 Lock Washer is a small yet significant component in various engine systems, providing the necessary security for critical connections and contributing to the overall reliability and performance of the engine.