3335059
Hexagon Head Cap Screw
Cummins®

The Hexagon Head Cap Screw, specifically Part #3335059 by Cummins, is a vital component in the realm of commercial trucks. Cummins, a renowned manufacturer in the industry, produces this screw to meet the demanding requirements of heavy-duty applications. This screw is integral to the fastening systems used in commercial trucks, ensuring secure and reliable connections across various components.

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 torque application using standard tools such as wrenches or sockets. The screw’s design includes external threading that engages with internal threads in a mating part, creating a strong and secure connection. In fastening applications, these screws are commonly used to join metal components, providing both structural integrity and resistance to vibration and loosening ³.

Purpose of the 3335059 Hexagon Head Cap Screw in Trucks

This Cummins part plays a specific role in the operation and maintenance of commercial trucks. It is utilized in various applications where secure fastening is required, such as attaching engine components, body panels, and chassis parts. The screw ensures that critical connections remain intact under the rigors of heavy-duty use, contributing to the overall reliability and safety of the vehicle.

Key Features

The 3335059 Hexagon Head Cap Screw boasts several key features that enhance its performance and durability. Constructed from high-strength materials, typically alloy steel, it offers superior resistance to wear and corrosion. The screw features precise threading that ensures a tight and secure fit, while its hexagonal head design allows for easy and efficient torque application. Additionally, the screw may include a cap or dome underneath the head to provide a smooth surface and prevent damage to the mating part ¹.

Benefits

Using this Cummins part provides numerous benefits. Its high-strength material ensures durability under heavy loads and harsh conditions, making it suitable for commercial truck applications. The precise threading and hexagonal head design facilitate easy installation and removal, enhancing maintenance efficiency. Furthermore, the screw’s resistance to loosening due to vibration helps maintain secure connections over time, reducing the risk of component failure ².

Installation Guidelines

Proper installation of the 3335059 Hexagon Head Cap Screw is crucial for optimal performance and safety. Begin by ensuring the mating threads are clean and free of debris. Apply a suitable thread-locking compound if specified, to prevent loosening due to vibration. Insert the screw into the threaded hole and use a wrench or socket to tighten it to the recommended torque specification. Avoid over-tightening, as this can damage the screw or the mating part. Regularly inspect the screw for signs of wear or damage and replace it if necessary.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening due to vibration, corrosion, and wear. To troubleshoot these problems, first, ensure that the screw is properly torqued and that a thread-locking compound is used where applicable. Regular inspection and maintenance can help identify and address issues before they lead to failure. If corrosion is present, clean the affected area and consider using a corrosion-resistant coating. Replace any screws that show signs of significant wear or damage to maintain the integrity of the fastening system ³.

Cummins: Manufacturer Overview

Cummins is a well-established manufacturer with a rich history in the commercial truck industry. Founded in 1919, Cummins has built a reputation for producing high-quality engines and components that meet the demanding needs of heavy-duty applications. The company offers a wide range of products, including engines, powertrain components, and aftermarket parts, all designed to deliver reliability, performance, and durability. Cummins’ commitment to innovation and customer satisfaction has solidified its position as a leader in the industry.

Hexagon Head Cap Screw 3335059 in Cummins Engines

The Hexagon Head Cap Screw part number 3335059 is a critical component in various Cummins engines, ensuring secure fastening and structural integrity. This screw is integral to the assembly and maintenance of several engine models, providing a reliable connection in high-stress environments.

G5.9 Series

The G5.9 series, including the G5.9 CM558, utilizes the 3335059 screw in various applications. This screw is essential for securing components within the engine, ensuring that parts remain tightly fastened under operational stresses.

ISM Series

The ISM series engines, such as the ISM CM570, ISM CM570/870, ISM CM876, and ISM11 CM876 SN, incorporate the 3335059 screw in multiple locations. These engines, known for their durability and performance, rely on this screw to maintain the structural integrity of critical components, ensuring smooth operation and longevity.

L10 Series

The L10 series engines, including the L10 CELECT, L10 GAS, and L10 MECHANICAL, also feature the 3335059 screw. This screw is used in various applications within these engines, providing the necessary fastening for components that are subject to significant mechanical stress.

M11 Series

The M11 series engines, such as the M11 CELECT, M11 CELECT PLUS, and M11 MECHANICAL, incorporate the 3335059 screw in their design. This screw is crucial for maintaining the structural integrity of these engines, ensuring that all parts are securely fastened and aligned.

QSM11 Series

The QSM11 CM570 engine utilizes the 3335059 screw in several critical applications. This screw is essential for securing components within the engine, ensuring that parts remain tightly fastened under operational stresses.

V903 Series

The V903 engine also incorporates the 3335059 screw in its design. This screw is used in various applications within the engine, providing the necessary fastening for components that are subject to significant mechanical stress.

Component Usage of Part 3335059 Hexagon Head Cap Screw

The part 3335059 Hexagon Head Cap Screw is integral in the assembly and maintenance of various engine systems. Its role is multifaceted, ensuring the secure attachment and reliable operation of numerous components.

Alternator and Its Mounting

In the alternator system, the Hexagon Head Cap Screw is used to secure the alternator to its designated location. This ensures that the alternator remains firmly in place, allowing it to efficiently convert mechanical energy into electrical energy without any movement that could disrupt its function.

Belt Tensioner Kit and Bracket

Within the belt tensioner kit, these screws are employed to attach the bracket securely. This bracket is essential for maintaining the correct tension on the belts that drive various engine accessories, ensuring optimal performance and longevity of the belts and the components they drive.

Air Cleaner and Full Flow Oil Filter

The Hexagon Head Cap Screw is also utilized in the assembly of the air cleaner and the full flow oil filter. In the air cleaner, it secures the components that direct air flow, while in the oil filter, it ensures that the filter housing is tightly sealed, preventing any oil leaks and maintaining efficient filtration.

Flywheel and Flywheel Housing

In the flywheel system, these screws play a role in attaching the flywheel to the flywheel housing. This secure attachment is vital for the smooth operation of the engine, as the flywheel helps in storing rotational energy and smoothing out the power delivery from the engine.

Electronic Governor and Refrigerant Compressor Mounting

The electronic governor, which regulates engine speed, and the refrigerant compressor, part of the engine’s cooling system, both require secure mounting. The Hexagon Head Cap Screw ensures these components are firmly attached, allowing them to function efficiently without the risk of detachment or movement.

Idler Shaft and Engine Instrument Panel

On the idler shaft, these screws are used to secure various components that help in maintaining belt tension and alignment. In the engine instrument panel, they ensure that all gauges and indicators are securely mounted, providing accurate and reliable readings for engine performance.

Radiator and Its Mounting

The radiator, a key component in engine cooling, is securely mounted using these screws. This ensures that the radiator remains in the correct position, allowing for efficient heat dissipation and maintaining the engine’s operating temperature within safe limits.

Engine Cooling Fan Shroud and Support

The engine cooling fan shroud and its support structures are also secured using the Hexagon Head Cap Screw. This is essential for directing airflow over the radiator and other heat-generating components, enhancing the engine’s cooling efficiency.

Front and Rear Engine Support

Finally, in the front and rear engine support systems, these screws are used to secure various support structures. This is important for maintaining the engine’s alignment and stability within the vehicle, ensuring smooth operation and reducing the risk of engine damage due to misalignment.

Conclusion

The 3335059 Hexagon Head Cap Screw by Cummins is a critical component in the assembly and maintenance of commercial trucks and various engine systems. Its high-strength material, precise threading, and hexagonal head design ensure secure and reliable fastening across a wide range of applications. Proper installation, regular maintenance, and timely replacement of this screw are essential for maintaining the integrity and performance of commercial trucks and engines.