4994608
Lock Washer
Cummins®

The 4994608 Lock Washer is a component manufactured by Cummins, a well-established name in the commercial truck industry. This part is designed for use in various applications within commercial trucks, contributing to the secure fastening of components and ensuring the reliability and safety of truck operations.

Basic Concepts of Lock Washers

A lock washer is a type of washer that prevents fastened components from loosening due to vibration or other dynamic forces. It achieves this by exerting additional pressure on the fastener or by having a split or serrated edge that digs into the surfaces it connects, thereby enhancing the grip ¹. Lock washers are commonly used in mechanical assemblies where the integrity of the fastening is paramount.

Purpose of the 4994608 Lock Washer in Truck Operations

The 4994608 Lock Washer plays a specific role in the operation and maintenance of commercial trucks. It is applied in various truck components where secure fastening is required to withstand the rigors of heavy-duty use. This includes, but is not limited to, engine components, transmission parts, and chassis assemblies. By preventing fasteners from loosening, the lock washer contributes to the overall safety and efficiency of truck operations.

Key Features

The 4994608 Lock Washer is characterized by several key features that enhance its performance. It is made from high-quality materials that offer resistance to corrosion and wear, ensuring durability in demanding environments. The design of the washer includes serrations or splits that provide additional grip, securing the fastener in place. These attributes make this Cummins part well-suited for the harsh conditions encountered in commercial truck applications.

Benefits of Using the 4994608 Lock Washer

Utilizing the 4994608 Lock Washer offers several advantages. It provides increased fastening security, reducing the risk of fastener loosening and subsequent component failure. The durable construction of the washer ensures long-term reliability, even under the stress of heavy-duty truck operations. Additionally, the enhanced grip offered by the lock washer contributes to the overall stability and safety of the truck’s components.

Installation Guidelines

To ensure optimal performance and longevity, the 4994608 Lock Washer should be installed according to specific guidelines. First, ensure the surfaces to be fastened are clean and free of debris. Place the lock washer under the nut or bolt head, ensuring the serrated edge is in contact with the surface. Tighten the fastener to the manufacturer’s specified torque, taking care not to over-tighten, which could damage the washer or the components being fastened.

Troubleshooting Common Issues

Common problems associated with lock washers include corrosion and deformation. Corrosion can be mitigated by selecting washers made from corrosion-resistant materials and by applying appropriate coatings or treatments. Deformation may occur if the washer is subjected to excessive force during installation or operation. To address this, ensure proper installation techniques are followed, and consider the use of washers with higher load-bearing capacities for particularly demanding applications.

Maintenance Tips

Regular inspection and maintenance of the 4994608 Lock Washer are recommended to prevent failures and ensure continued effective operation. Inspect the washer for signs of wear, corrosion, or deformation during routine maintenance checks. Replace the washer if any damage is detected to maintain the integrity of the fastening. Additionally, ensure that all fasteners are tightened to the correct specifications to prevent undue stress on the washer.

Compatibility with Cummins Engines

The Lock Washer 4994608, manufactured by Cummins, is designed to ensure secure fastening in various engine applications. This part is engineered to maintain the integrity of bolted connections, preventing loosening due to vibration or dynamic forces. Here’s how it integrates with specific Cummins engines:

B6.7 CM2350 B135B and B6.7 CM2670 B153B

The Lock Washer 4994608 is compatible with the B6.7 CM2350 B135B and B6.7 CM2670 B153B engines. These engines are part of the Cummins B-Series, known for their robust performance and reliability in medium-duty applications. The washer ensures that bolts remain tight in various engine components, enhancing overall engine stability and longevity.

ISB/ISD 6.7 CM2150 SN, ISBE CM2150, and ISBE4 CM850

For the ISB/ISD 6.7 CM2150 SN, ISBE CM2150, and ISBE4 CM850 engines, the Lock Washer 4994608 plays a crucial role in maintaining the structural integrity of bolted joints. These engines are part of the Cummins ISB/ISBE family, widely used in heavy-duty applications due to their power and efficiency. The washer’s design helps in preventing the loosening of bolts under high-stress conditions, ensuring the engine operates smoothly and safely.

QSB 7 CM2880 B117

The Lock Washer 4994608 is also suitable for the QSB 7 CM2880 B117 engine. This engine is part of the Cummins QSB series, known for its versatility and performance in a range of applications. The washer’s application in this engine ensures that critical connections remain secure, contributing to the engine’s overall reliability and performance.

Role of Part 4994608 Lock Washer in Engine Systems

The 4994608 Lock Washer is an essential component in ensuring the stability and integrity of various engine systems. When integrated into the Housing, the Lock Washer prevents loosening of fasteners due to vibrations, thereby maintaining the structural soundness of the housing assembly. This is particularly important in high-stress environments where consistent performance is required.

In the context of the Rear Gear system, the Lock Washer plays a significant role by securing the gear to its shaft. This prevents any unwanted movement that could lead to misalignment or increased wear on the gear teeth. The stability provided by the Lock Washer ensures that the rear gear operates smoothly and efficiently, contributing to the overall reliability of the engine.

For the Idler Gear, the Lock Washer is used to lock the gear in place on its mounting point. This is vital for maintaining the correct tension in the gear train, which is essential for the proper functioning of the timing or drive system. The Lock Washer ensures that the idler gear remains fixed, allowing for consistent and precise gear engagement.

When part of a Kit, the 4994608 Lock Washer often accompanies other fasteners and components, providing a comprehensive solution for securing various parts within the engine. Its inclusion in kits ensures that all components are properly fastened, reducing the risk of disassembly during operation.

In Repto applications, the Lock Washer is used to secure critical components that are subject to frequent movement and high loads. By preventing fastener loosening, the Lock Washer enhances the durability and performance of the Repto system, ensuring that all parts remain in their intended positions under operational stress.

Conclusion

The 4994608 Lock Washer is a vital component in the maintenance and operation of commercial trucks and Cummins engines. Its design and features ensure secure fastening, contributing to the overall safety, efficiency, and reliability of truck operations. Proper installation, maintenance, and understanding of its role in various engine systems are crucial for maximizing the benefits of this Cummins part.