3089234
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3089234, is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw is significant in the maintenance and operation of commercial trucks, providing reliable fastening solutions that contribute to the overall performance and durability of the vehicle.

Basic Concepts

Hexagon Flange Head Cap Screws are designed with a hexagonal head and a flange that sits against the surface being fastened. This design allows for efficient tightening and loosening using a wrench or socket, ensuring secure and stable connections ¹. In the automotive industry, these screws are commonly used in applications where high strength and resistance to loosening are required, such as in engine components, chassis assemblies, and various structural parts ².

Purpose and Role in Truck Operation

The 3089234 Hexagon Flange Head Cap Screw plays a specific role in the operation of commercial trucks by securing critical components and assemblies. Its design ensures that parts remain firmly in place under various operating conditions, contributing to the vehicle’s overall functionality and reliability. By providing a strong and stable connection, this screw helps maintain the integrity of the truck’s structure and systems.

Key Features

The 3089234 Hexagon Flange Head Cap Screw features a hexagonal flange head, which allows for easy and precise tightening using standard tools. The screw is typically made from high-strength materials, such as alloy steel, to ensure durability and resistance to wear. Its thread specifications are designed to provide a strong grip and prevent loosening, even under vibration and dynamic loads. These features enhance the screw’s performance and longevity in demanding applications.

Benefits

Using the 3089234 Hexagon Flange Head Cap Screw offers several benefits. The screw’s design provides improved fastening strength, ensuring that components remain securely attached. Its resistance to loosening makes it suitable for applications where vibrations and dynamic forces are present. Additionally, the screw is compatible with various truck components, making it a versatile choice for different fastening needs.

Installation Guidelines

Proper installation of the 3089234 Hexagon Flange Head Cap Screw is crucial for optimal performance and safety. To install the screw, use the appropriate wrench or socket to tighten it to the specified torque. Follow the recommended tightening procedures to avoid over-tightening, which can damage the screw or the components being fastened. Ensure that the flange sits flush against the surface to provide a stable and secure connection.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include loosening, corrosion, and damage from over-tightening. To address these issues, regularly inspect the screws for signs of wear or corrosion and replace them if necessary. Ensure that the screws are tightened to the correct torque specifications during installation to prevent damage. Maintaining clean and dry installation surfaces can also help prolong the lifespan of the screw and ensure continued reliable performance.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its high-quality engines, components, and technologies. With a history of innovation and commitment to quality, Cummins has established a strong reputation for producing reliable and durable automotive parts. The company’s focus on research and development ensures that its products meet the demanding requirements of modern commercial trucks, providing customers with trusted solutions for their fastening needs ³.

Hexagon Flange Head Cap Screw 3089234 in Cummins Engines

The Hexagon Flange Head Cap Screw part number 3089234, manufactured by Cummins, is a critical component in various Cummins engine models. This screw is designed to provide secure fastening in applications where a strong, reliable connection is essential. Here is how it fits into different Cummins engines:

B Series Engines

• 6B5.9
• B6.7 CM2670 B153B
• ISB6.7 G CM2180 B118

The B series engines, including the 6B5.9, B6.7, and ISB6.7, utilize the 3089234 screw for securing various components. These engines are known for their robust design and are often used in heavy-duty applications. The screw’s flange head provides a large bearing surface, ensuring even distribution of pressure and a tight seal.

ISB Series Engines

• ISB/ISD4.5 CM2150 B119

The ISB/ISD4.5 engine also incorporates the 3089234 screw. This engine is designed for versatility and efficiency, making it suitable for a range of applications from construction to transportation. The screw’s design ensures that critical engine parts remain securely fastened under varying operational conditions.

ISBE Series Engines

• ISBE CM800
• ISBE4 CM850

The ISBE series engines, including the CM800 and CM850, benefit from the use of the 3089234 screw. These engines are engineered for high performance and reliability, often used in marine and industrial applications. The screw’s hexagonal flange head allows for easy and efficient tightening with a wrench, ensuring secure fastening.

QSK Series Engines

• QSK45 CM500
• QSK60 CM500
• QSK60 CM850 MCRS
• QSK60 G CM2358 K110
• QSK60G
• QSK78 CM500
• QSK95 CM2350 K111
• QSK95 CM2350 K113

The QSK series engines, ranging from QSK45 to QSK95, utilize the 3089234 screw in various configurations. These engines are known for their durability and efficiency, often used in power generation and heavy-duty applications. The screw’s design ensures that components are held securely, even under high stress and varying operational conditions.

QSM and QSV Series Engines

• QSM11 CM570
• QSV91-G4 CM558/CM700 V102
• QSV91G

The QSM11 and QSV91 engines also incorporate the 3089234 screw. These engines are designed for specific applications, such as marine and power generation, where reliability and performance are critical. The screw’s flange head provides a stable and secure fastening solution, ensuring that components remain in place under demanding conditions.

Role of Part 3089234 Hexagon Flange Head Cap Screw in Engine Systems

The Part 3089234 Hexagon Flange Head Cap Screw is integral to the assembly and secure functioning of various engine components. Its robust design ensures reliable fastening, which is essential for maintaining the integrity and performance of the engine system.

Air Cleaner

In the air cleaner assembly, the Hexagon Flange Head Cap Screw secures the housing to the engine block, ensuring a tight seal. This prevents unfiltered air from entering the engine, which could lead to decreased performance and increased wear on internal components.

Alternative Design Components

For alternative design components, such as custom engine mounts or brackets, the screw provides a strong and durable fastening solution. Its flange head design distributes pressure evenly, reducing the risk of stripping or damaging the threads.

Alternator Guard and Mounting

The screw is used to attach the alternator guard, protecting the alternator from debris and physical damage. Additionally, it secures the alternator mounting bracket to the engine, ensuring the alternator remains stable and properly aligned during operation.

Camshaft and Camshaft Gear

In the camshaft and camshaft gear assemblies, the screw fastens various components, ensuring precise alignment and secure attachment. This is vital for maintaining the timing and efficiency of the engine’s valve operation.

Connecting Rod and Piston

Although typically secured by specialized fasteners, in some designs, the Hexagon Flange Head Cap Screw may be used to attach ancillary components to the connecting rod or piston, ensuring they remain in place under high stress and vibration.

Fan Drive

The screw is employed in the fan drive mechanism to secure the fan housing or shroud, ensuring it remains firmly attached and operates efficiently to manage engine temperature.

Fuel Control Module and Fuel Pump

In fuel system components like the fuel control module and fuel pump, the screw ensures that these critical parts are securely mounted. This is important for maintaining the integrity of fuel delivery and preventing leaks.

Lubricating Oil Filter and Pump

For the lubricating oil filter and pump, the screw provides a reliable fastening method, ensuring these components are securely attached and function correctly to maintain proper lubrication throughout the engine.

Marine Gear Oil Cooler

In marine applications, the screw is used to attach the gear oil cooler to the engine, ensuring it remains securely in place despite the dynamic environment of a marine setting.

Performance Parts

For performance parts such as upgraded brackets or custom engine components, the screw offers a strong and reliable fastening solution, capable of withstanding the increased stress and vibration associated with high-performance engines.

Service Kit

In service kits, the screw is often included to replace worn or damaged fasteners, ensuring that all components are securely reassembled during maintenance procedures.

Starting Motor and Mounting

The screw secures the starting motor and its mounting bracket to the engine, ensuring reliable engagement and operation during engine start-up.

Thermostat Housing

In the thermostat housing, the screw ensures a tight seal, preventing coolant leaks and maintaining consistent engine temperature.

Turbocharger Arrangement

For turbocharger arrangements, the screw is used to secure various components, ensuring the turbocharger remains properly aligned and functions efficiently to boost engine performance.

Water Inlet Connection

Finally, the screw is utilized in the water inlet connection to ensure a secure and leak-free attachment, critical for maintaining the engine’s cooling system integrity.

Conclusion

The 3089234 Hexagon Flange Head Cap Screw is a versatile and essential component in a wide range of Cummins engines, providing reliable fastening and ensuring the integrity of critical engine parts. Its robust design and high-strength materials make it suitable for various demanding applications, contributing to the overall performance and durability of commercial trucks.