4894218
Hexagon Flange Head Cap Screw
Cummins®

The Cummins Hexagon Flange Head Cap Screw, identified by Part #4894218, is a component manufactured by Cummins. This screw is significant in the realm of commercial truck maintenance due to its robust design and reliable performance. Cummins, a renowned name in the diesel engine manufacturing industry, ensures that this part meets high standards of quality and functionality, making it a staple in the maintenance and operation of commercial trucks.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and a flange beneath the head. The hexagonal head allows for efficient torque application using standard tools, while the flange provides a larger bearing surface that helps distribute loads more evenly and prevents the screw from sinking into the material. Within mechanical systems, these screws are used to secure components together, ensuring stability and integrity under various operational conditions.

Purpose and Role in Truck Operation

The 4894218 Hexagon Flange Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is utilized in various truck components where secure fastening is required. This includes, but is not limited to, engine components, chassis parts, and other critical assemblies. Its design ensures that components remain firmly attached, contributing to the overall safety and performance of the truck.

Key Features

The 4894218 Hexagon Flange Head Cap Screw boasts several key features that enhance its performance and durability. Its hexagonal head design allows for precise and efficient torque application, reducing the risk of over-tightening or stripping. The flange beneath the head provides additional surface area, which aids in distributing loads more effectively and prevents the screw from pulling through the material. Additionally, the screw is made from high-quality materials that offer excellent resistance to corrosion and wear, ensuring long-term reliability in demanding environments.

Benefits

The benefits offered by the 4894218 Hexagon Flange Head Cap Screw include improved torque application due to its hexagonal head, which allows for a secure grip with standard tools. The flange design enhances resistance to loosening under vibration, a common issue in truck operations. Furthermore, the even load distribution provided by the flange helps in maintaining the integrity of the fastened components, reducing the likelihood of failure under stress.

Installation and Usage Guidelines

Proper installation of the 4894218 Hexagon Flange Head Cap Screw is vital for optimal performance and longevity. It is recommended to use the appropriate torque specifications provided by the manufacturer to ensure the screw is tightened to the correct level without over-tightening. Best practices include cleaning the installation area to remove any debris or contaminants that could affect the screw’s performance. Additionally, using a torque wrench is advised to apply the correct amount of force during installation.

Troubleshooting and Maintenance

Common issues associated with Hexagon Flange Head Cap Screws include loosening due to vibration and corrosion. To address these issues, regular inspections are recommended to check for signs of wear or corrosion. If a screw appears loose, it should be re-tightened to the manufacturer’s specified torque. In cases of significant corrosion, replacement may be necessary to ensure continued reliable performance. Maintenance tips include keeping the screws and their surrounding areas clean and dry to prevent corrosion and ensuring they are properly torqued during installation.

Safety Considerations

When working with Hexagon Flange Head Cap Screws, it is important to observe several safety practices. Proper handling and storage of the screws are crucial to prevent damage or contamination. Usage should be within the safe operational limits specified by the manufacturer to avoid over-tightening, which could lead to stripping or component failure. Additionally, wearing appropriate personal protective equipment (PPE) is recommended when installing or maintaining these screws to protect against injury.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established itself as a leader in the commercial vehicle industry, known for its commitment to quality, innovation, and customer satisfaction. The company’s expertise in engine manufacturing and its dedication to advancing technology make it a trusted provider of components like the 4894218 Hexagon Flange Head Cap Screw.

Hexagon Flange Head Cap Screw (Part 4894218) Compatibility with Cummins Engines

The Cummins Hexagon Flange Head Cap Screw, identified by the part number 4894218, is a critical component that finds application across a variety of Cummins engine models. This screw is designed to secure and fasten various parts within the engine assembly, ensuring structural integrity and operational efficiency.

Application in Specific Cummins Engines

• 6C8.3: The 4894218 screw is utilized in the 6C8.3 engine to secure components that require a robust fastening solution. Its flange head design provides a large bearing surface, which is essential for distributing the load evenly and maintaining the alignment of fastened parts.

• B6.7S, ISB CM850, ISB/ISD6.7 CM2150 SN, ISBE CM800, ISBE4 CM850: These engines benefit from the use of the 4894218 screw in several critical applications. The screw’s design allows for easy installation and removal, which is crucial during maintenance and repair operations. Its use in these engines ensures that parts remain securely fastened under the high stress and varying conditions typical of diesel engine operations.

• QSB5.9 CM550, QSB5.9 CM850: In the QSB5.9 engines, the 4894218 screw is employed to fasten components that are exposed to significant mechanical stress. The screw’s material and design provide the necessary durability and resistance to wear, ensuring long-term reliability and performance.

Grouping of Engines

When considering the engines that utilize the 4894218 screw, it is evident that this part is versatile and compatible with a range of Cummins engine models. The grouping of engines such as the B6.7S, ISB CM850, ISB/ISD6.7 CM2150 SN, ISBE CM800, ISBE4 CM850, and QSB5.9 CM550, QSB5.9 CM850, highlights the screw’s broad applicability across different engine configurations and sizes. This compatibility is a testament to the screw’s design, which meets the stringent requirements of Cummins’ engine specifications.

The use of the 4894218 screw in these engines underscores its importance in maintaining the structural integrity and operational efficiency of the engine components it fastens.

Role of Part 4894218 Hexagon Flange Head Cap Screw in Engine Systems

The part 4894218 Hexagon Flange Head Cap Screw is instrumental in securing various components within engine systems, ensuring their stability and proper function. This screw is commonly used in the assembly and maintenance of several key engine parts.

Adapter and Front Drive

In the context of the front drive adapter, the Hexagon Flange Head Cap Screw is utilized to fasten the adapter to the engine block. This secure attachment is essential for the efficient transfer of power from the engine to the front drive mechanism, ensuring smooth operation and reliability.

Block and Cylinder

When it comes to the cylinder block, these screws play a significant role in attaching the cylinder block hardware kit components. They help in maintaining the structural integrity of the block, which is vital for withstanding the high pressures and temperatures within the engine.

Connecting Rod and Piston

In the assembly of the connecting rod and piston, the Hexagon Flange Head Cap Screw is used to secure the piston to the connecting rod. This connection is fundamental for the reciprocating motion of the piston, which drives the crankshaft and ultimately powers the engine.

Crankshaft and Bearings

For the crankshaft and its associated bearings, these screws are employed to fasten bearing caps. This ensures that the bearings remain in place and function correctly, reducing friction and wear on the crankshaft.

Fuel Manifold and Plumbing

In fuel systems, particularly the fuel manifold and fuel plumbing, the Hexagon Flange Head Cap Screw is used to secure components that manage fuel delivery. Proper fastening ensures there are no leaks and that fuel is delivered efficiently to the engine’s combustion chambers.

Lower Engine Gasket Kit and Overhaul Kit

During engine overhauls, these screws are part of the lower engine gasket kit and overhaul kit. They are used to reassemble the engine components after maintenance, ensuring that all parts are correctly aligned and sealed.

Piston Cooling Nozzle

The screw is also utilized in attaching the piston cooling nozzle, which is critical for managing the temperature of the piston during operation. Secure attachment ensures effective cooling, prolonging the life of the piston and enhancing engine performance.

MTG and Fuel Leakage Coll

In the MTG (presumably a component or system within the engine) and fuel leakage collection systems, the Hexagon Flange Head Cap Screw helps in securing components that are essential for the efficient operation and safety of the engine.

Conclusion

In summary, the part 4894218 Hexagon Flange Head Cap Screw is a versatile fastener that plays a significant role in the assembly, maintenance, and efficient operation of various engine components. Its proper use ensures the reliability and performance of the engine system.