3064111
Hexagon Head Cap Screw
Cummins®

The Cummins 3064111 Hexagon Head Cap Screw is a specialized fastener designed for use in heavy-duty truck applications. Its purpose is to provide secure and reliable fastening in various truck components, ensuring the integrity and performance of the vehicle. The significance of this screw lies in its ability to withstand the demanding conditions encountered in heavy-duty truck operations, contributing to the overall durability and efficiency of the truck ².

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient and secure tightening using a wrench or socket. The hexagonal design prevents the tool from slipping off the screw head, providing a firm grip and enabling precise torque application. This design is particularly advantageous in applications where high torque is required, as it ensures that the screw is tightened to the correct specification without damaging the head ¹.

Purpose and Role in Truck Operation

The Cummins 3064111 Hexagon Head Cap Screw plays a vital role in the operation and maintenance of heavy-duty trucks. It is used in various truck components, including engine mounts, transmission housings, and chassis assemblies. By providing a strong and secure fastening solution, this screw helps to maintain the structural integrity of these components, ensuring they function correctly under the stresses of heavy-duty use. Its applications extend to both static and dynamic parts of the truck, making it a versatile fastener in truck maintenance and repair ².

Key Features

The Cummins 3064111 Hexagon Head Cap Screw is distinguished by several key features that enhance its performance and durability. It is typically made from high-strength steel, which provides excellent resistance to wear and corrosion. The screw features a coarse thread type, which allows for quick and easy installation while maintaining a strong grip on the fastened materials. Additionally, the screw may include unique design elements such as a chamfered underside to facilitate easy insertion and a black oxide coating to improve corrosion resistance ².

Benefits

The Cummins 3064111 Hexagon Head Cap Screw offers several benefits that make it an ideal choice for heavy-duty truck applications. Its high-strength material composition ensures improved fastening strength, allowing it to securely hold components together under significant stress. The hexagonal head design provides resistance to loosening, reducing the need for frequent re-tightening. Furthermore, its compatibility with various truck components makes it a versatile fastener for a wide range of applications ².

Installation and Usage Guidelines

Proper installation of the Cummins 3064111 Hexagon Head Cap Screw is crucial to ensure its effectiveness and longevity. To install the screw, use a wrench or socket that fits the hexagonal head precisely. Apply torque gradually to avoid over-tightening, which can damage the screw or the fastened materials. Torque specifications should be followed according to the manufacturer’s recommendations to achieve the optimal fastening strength. Recommended tools include a torque wrench for precise torque application and a socket set compatible with the screw size ².

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws may include loosening over time due to vibration or corrosion. To address these issues, regular inspections should be conducted to check for any signs of wear or damage. If a screw appears loose, it should be re-tightened to the specified torque. In cases of corrosion, the affected screw may need to be replaced to ensure the integrity of the fastening. Maintenance tips include applying a thread locker to prevent loosening and ensuring that all tools used for installation are in good condition to avoid damage to the screw head ².

Manufacturer Information - Cummins

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 a reputation for quality and reliability in the automotive and heavy-duty truck industries. The company’s commitment to innovation and excellence is reflected in its components, including the 3064111 Hexagon Head Cap Screw, which is designed to meet the rigorous demands of heavy-duty applications. Cummins’ focus on durability, performance, and customer satisfaction ensures that its products contribute to the efficient and reliable operation of heavy-duty trucks ².

Hexagon Head Cap Screw 3064111 in Cummins Engines

The Cummins Hexagon Head Cap Screw part number 3064111 is a critical component in several Cummins engine models. This screw is integral to the assembly and maintenance of these engines, ensuring secure fastening and structural integrity.

B5.9 CM2670 B166C

In the B5.9 CM2670 B166C engine, the 3064111 screw is used in various applications to secure different parts of the engine. Its role is crucial in maintaining the alignment and stability of engine components, contributing to the overall performance and longevity of the engine ².

QSK60 CM850 MCRS, QST30 CM2350 T101

For the QSK60 CM850 MCRS and QST30 CM2350 T101 engines, the 3064111 screw is employed in similar capacities. It is used to fasten components that require a high degree of precision and strength, ensuring that the engine operates smoothly and efficiently. The screw’s design allows for easy installation and removal, which is essential during routine maintenance and repairs ².

QST30 CM552

In the QST30 CM552 engine, the 3064111 screw is utilized in several critical areas. Its application in this engine model ensures that the engine’s components are held securely, which is vital for maintaining the engine’s structural integrity and performance ².

V903

The V903 engine also incorporates the 3064111 screw in its design. This screw is essential for fastening various parts of the engine, ensuring that the engine operates reliably and efficiently. Its use in this engine model highlights its versatility and importance in Cummins’ engine lineup ².

Role of Part 3064111 Hexagon Head Cap Screw in Engine Systems

The part 3064111 Hexagon Head Cap Screw is integral to the assembly and functionality of various engine components. Its robust design ensures secure fastening, which is essential for the reliable operation of the engine system ².

Air Intake Manifold

In the air intake manifold, the Hexagon Head Cap Screw secures the manifold to the engine block, ensuring a tight seal that prevents air leaks. This is vital for maintaining the correct air-fuel ratio, which directly affects engine performance and efficiency ².

Lifting and Bracket Arrangements

For lifting and bracket arrangements, the screw provides the necessary strength to withstand the forces exerted during lifting operations. It ensures that brackets remain firmly attached to the engine frame, supporting components like the compressor and fan drive ².

Compressor and Air Connections

In compressor assemblies and air connections, the screw plays a role in securing components that manage air flow within the engine. This includes connections to the air intake and air transfer systems, where maintaining a secure fit is essential for efficient air circulation ².

Water Inlet and Cooler

At the water inlet and cooler, the screw helps in attaching the cooler to the engine, facilitating the transfer of coolant. This is important for maintaining optimal engine temperature and preventing overheating ².

Torque Converter Oil Drive

In the torque converter oil drive system, the screw is used to secure components that manage the flow of oil, which is crucial for the smooth operation of the torque converter ².

Front Gear Train Accessory Drive

For the front gear train accessory drive, the screw ensures that accessories driven by the gear train, such as the fuel pump and engine control module, are securely mounted. This is important for the consistent operation of these components ².

Fan Drive and Idler Pulley

In fan drive and idler pulley arrangements, the screw secures these components, which are essential for maintaining the correct tension in the belt drive system. This ensures efficient operation of the fan and other driven accessories ².

Lifting Bracket Mounting

For lifting bracket mounting, the screw provides the necessary strength to support the engine during lifting and transportation. This is important for the safe handling of the engine ².

Alternator and Engine Control Module Mounting

In alternator and engine control module mounting, the screw ensures these critical components are securely attached to the engine. This is important for the reliable operation of the electrical system and engine management ².

Plumbing and Oil Systems

In plumbing and oil systems, such as the oil cooler water pump and auxiliary raw water pump, the screw secures components that manage the flow of fluids. This is essential for maintaining the lubrication and cooling of the engine ².

Auxiliary Cooling System

In the auxiliary cooling system, the screw helps in attaching components that provide additional cooling, such as the viscous vibration damper. This is important for maintaining engine temperature under varying operating conditions ².

Conclusion

Overall, the Cummins 3064111 Hexagon Head Cap Screw is a versatile fastener that plays a significant role in ensuring the secure and efficient operation of various engine components. Its robust design, high-strength material, and precise hexagonal head make it an ideal choice for heavy-duty truck applications, contributing to the overall durability and efficiency of the vehicle ².