3089384
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3089384, is a component manufactured by Cummins. This screw is significant in heavy-duty truck applications due to its robust design and reliable performance. Cummins, a well-established name in the automotive industry, ensures that this part meets the stringent demands of heavy-duty truck operations ¹.

Basic Concepts

Hexagon Flange Head Cap Screws are designed with a hexagonal head and a flange that provides a larger bearing surface. This design allows for efficient torque application and reduces the risk of the screw head stripping during installation or removal. These screws are commonly used in mechanical assemblies where secure fastening is required, particularly in environments that experience significant stress and vibration ².

Purpose and Role in Truck Operation

The 3089384 Hexagon Flange Head Cap Screw plays a specific role in heavy-duty trucks by securing critical components that are subject to high stress and vibration. Its design ensures that parts remain firmly attached, contributing to the overall functionality and performance of the vehicle. This screw is often used in applications where the fastening needs to withstand substantial loads and dynamic forces ³.

Key Features

The 3089384 Hexagon Flange Head Cap Screw features a hexagonal flange head, which provides a larger surface area for torque application and reduces the likelihood of cam-out. The material composition typically includes high-strength steel, which offers durability and resistance to wear. The thread specifications are designed to ensure a secure fit and optimal load distribution, enhancing the screw’s effectiveness in heavy-duty applications.

Benefits

The 3089384 Hexagon Flange Head Cap Screw offers several advantages. Its design provides enhanced fastening strength, making it less likely to loosen over time compared to standard screws. The flange head also offers additional resistance to loosening, which is particularly beneficial in vibrating environments. Additionally, its compatibility with various applications makes it a versatile choice for different mechanical assemblies.

Installation and Usage

Proper installation of the 3089384 Hexagon Flange Head Cap Screw involves using the correct torque settings to ensure a secure fit without over-tightening, which could damage the screw or the fastened components. It is important to use the appropriate tools, such as a torque wrench, to achieve the recommended torque specifications. Safety considerations include wearing protective gear to prevent injury during installation.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include corrosion, stripping, and loosening. Regular inspection for signs of wear or damage is recommended to identify potential problems early. Maintenance practices such as applying anti-seize compound can help prevent corrosion and facilitate easier removal in the future. Ensuring that screws are tightened to the correct torque specifications during installation can also prevent loosening.

Manufacturer Overview - Cummins

Cummins Inc. is a renowned manufacturer in the automotive industry, known for its commitment to quality and innovation. With a history of producing reliable and high-performance components, Cummins has established a strong reputation for excellence. The company’s dedication to advancing technology and maintaining high standards makes it a trusted provider of heavy-duty truck components, including the 3089384 Hexagon Flange Head Cap Screw.

Hexagon Flange Head Cap Screw 3089384 in Cummins Engines

The Cummins Hexagon Flange Head Cap Screw part number 3089384 is a critical component in various Cummins engines, ensuring secure fastening and stability. This screw is designed to withstand high torque and pressure, making it suitable for use in demanding engine environments.

Engines Utilizing 3089384

• 4B3.9
• 6B5.9
• 6C8.3
• B5.6 CM2670 B152B
• C GAS PLUS CM556
• F3.8 CM2620 F137B
• G5.9 CM558
• ISB CM850
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB4.5 CM2350 B104
• ISB5.9 CM2880 B110
• ISB5.9 CM2880 B140
• ISB5.9 CM2880 B149
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISBE CM2150
• ISBE4 CM850
• ISC CM2150
• ISC CM554
• ISC CM850
• ISC8.3 CM2250
• ISD4.5 CM2220 D108
• ISG12 G CMOH6.0 G111
• ISL CM2150

Application Context

The 3089384 screw is typically used in applications where robust fastening is required, such as securing engine components, housings, and other critical parts. Its design ensures that it can maintain its integrity under high stress and temperature variations, which are common in engine environments.

Grouping of Engines

• ISB Series: ISB CM850, ISB/ISD4.5 CM2150 B119, ISB/ISD6.7 CM2150 SN, ISB4.5 CM2350 B104, ISB5.9 CM2880 B110, ISB5.9 CM2880 B140, ISB5.9 CM2880 B149, ISB6.7 CM2250, ISB6.7 CM2350 B101
• ISBE Series: ISBE CM2150, ISBE4 CM850
• ISC Series: ISC CM2150, ISC CM554, ISC CM850, ISC8.3 CM2250
• ISD Series: ISD4.5 CM2220 D108
• ISG Series: ISG12 G CMOH6.0 G111
• ISL Series: ISL CM2150
• Others: 4B3.9, 6B5.9, 6C8.3, B5.6 CM2670 B152B, C GAS PLUS CM556, F3.8 CM2620 F137B, G5.9 CM558

This grouping helps in understanding the diverse range of engines that utilize the 3089384 screw, highlighting its versatility and importance in Cummins’ engine lineup.

Role of Part 3089384 Hexagon Flange Head Cap Screw in Engine Systems

The part 3089384 Hexagon Flange Head Cap Screw is integral in securing and maintaining the integrity of various engine components. Its application spans across multiple systems, ensuring that each part functions optimally and remains securely in place.

Integration with Coolant Systems

In the Campaign Coolant Float Kit and Compressor Coolant Arrangement, the Hexagon Flange Head Cap Screw is used to fasten components that manage coolant flow. This ensures that the coolant system maintains pressure and temperature stability, which is vital for engine performance and longevity.

Crankcase Breather Systems

For the Crankcase Breather, Crankcase Breather Arrangement, and Crankcase Breather Plumbing, this screw plays a role in securing breather components. It helps in venting gases from the crankcase, preventing pressure build-up that could lead to oil leaks or engine damage.

Cylinder Block and Head

In the Cylinder Block and Cylinder Block Plumbing, the screw is employed to fasten critical components, ensuring that the block remains intact under high pressure and temperature conditions. Similarly, in the Cylinder Head Leak Tester, it secures testing equipment, providing accurate readings and ensuring the cylinder head’s seal integrity.

Electrical and Electronic Systems

The Electrical Accessories and Electronic Control Module Wiring Harness benefit from the secure fastening provided by this screw. It ensures that electrical connections remain stable, reducing the risk of shorts or disconnections that could disrupt engine operation.

Engine Control and Monitoring

In the Engine Control Module and Engine Monitoring System, the screw is used to mount sensors and control units. This ensures that these systems can accurately monitor and adjust engine parameters in real-time, enhancing overall performance and efficiency.

Exhaust and Fuel Systems

For the Exhaust Recirculation system, the screw helps in securing components that recirculate exhaust gases, reducing emissions. In Fuel Plumbing and Fuel Pump Mounting, it ensures that fuel lines and pumps are securely fastened, maintaining consistent fuel delivery to the engine.

Cooling and Lubrication

In systems like the Heat Exchanger, Keel Cooler Plumbing, and Marine Gear Oil Cooler, the screw is vital for fastening components that manage engine cooling. It ensures that these systems can effectively dissipate heat, protecting the engine from overheating.

Oil Management

The Oil Level Gauge and Full Flow Oil Filter systems use this screw to secure components that monitor and filter engine oil. This ensures that the engine receives clean oil, prolonging its lifespan and maintaining optimal performance.

Performance Enhancements

In Performance Parts and the Turbocharger, the screw is used to secure components that enhance engine performance. It ensures that these high-stress parts remain firmly in place, even under extreme operating conditions.

Conclusion

Overall, the part 3089384 Hexagon Flange Head Cap Screw is a versatile fastener that plays a significant role in the reliable operation of various engine systems. Its robust design and reliable performance make it an essential component in heavy-duty truck applications, ensuring that critical components remain securely fastened under high stress and vibration conditions.