3909582
Hexagon Head Cap Screw
Cummins®

The Hexagon Head Cap Screw is a fundamental component in the realm of commercial trucks, providing secure fastening solutions that are vital for the assembly and maintenance of these vehicles. Manufactured by Cummins, a renowned name in the industry, the Hexagon Head Cap Screw with part number 3909582 is specifically designed for heavy-duty truck applications. This part plays a significant role in ensuring the structural integrity and operational efficiency of truck 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 tightening and loosening using a wrench or socket. The screw’s design includes external threads that mate with internal threads in a corresponding part, creating a strong and secure connection. In the automotive industry, cap screws are commonly used for their reliability and ease of use in various fastening applications ¹.

Purpose of the 3909582 Hexagon Head Cap Screw in Truck Operation

This Cummins part is integral to the assembly and maintenance of commercial trucks. It is used to fasten critical components, ensuring they remain securely in place under the demanding conditions of heavy-duty operations. This screw contributes to the structural integrity of truck components by providing a robust connection that can withstand significant stress and vibration. Its role is particularly important in areas where components are subject to high loads or dynamic forces.

Key Features of the 3909582 Hexagon Head Cap Screw

The 3909582 Hexagon Head Cap Screw boasts several specific characteristics that enhance its performance and durability. It is composed of high-strength materials, typically alloy steel, which provides excellent resistance to wear and fatigue. The screw features a fine thread type, which allows for precise adjustments and a secure fit. Its hexagonal head design ensures easy and efficient tightening, reducing the risk of stripping or rounding during installation.

Benefits of Using the 3909582 Hexagon Head Cap Screw

This part offers several advantages over other types of fasteners. Its resistance to corrosion makes it suitable for use in various environmental conditions, ensuring long-term reliability. The ease of installation, thanks to its hexagonal head, allows for quick and efficient fastening. Additionally, its reliability under heavy loads ensures that critical components remain securely fastened, contributing to the overall safety and performance of the truck.

Installation and Usage Guidelines

Proper installation of the 3909582 Hexagon Head Cap Screw is crucial for ensuring a secure fit. Begin by aligning the screw with the corresponding threaded hole. Use a wrench or socket to tighten the screw gradually, avoiding over-tightening which can lead to damage. Recommended torque settings should be followed to achieve the optimal tension without compromising the integrity of the screw or the component being fastened. Regular checks should be performed to ensure the screw remains tight during operation.

Troubleshooting Common Issues

Frequent problems associated with Hexagon Head Cap Screws include loosening due to vibration or dynamic loads, and damage from over-tightening or corrosion. To address these issues, regular inspections should be conducted to ensure screws are properly tightened. If loosening is detected, re-tighten the screw to the recommended torque setting. In cases of damage, the screw should be replaced to maintain the structural integrity of the component.

Maintenance Tips for Longevity

To extend the lifespan of the 3909582 Hexagon Head Cap Screw, regular maintenance practices are essential. Periodic inspections should be performed to check for signs of wear, corrosion, or loosening. Cleaning the screw and surrounding area can prevent the buildup of debris that may contribute to corrosion. When necessary, replacement of the screw should be carried out using the correct torque settings to ensure a secure and lasting connection.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history in the commercial truck industry, Cummins is committed to quality and innovation. The company’s dedication to producing reliable and high-performance components, such as the 3909582 Hexagon Head Cap Screw, underscores its role as a trusted manufacturer in the industry.

Hexagon Head Cap Screw 3909582 in Cummins Engines

The Cummins part number 3909582, a Hexagon Head Cap Screw, is a critical component in several Cummins engine models. This screw is utilized in the assembly and maintenance of various engine parts, ensuring structural integrity and proper function. Below is a detailed look at how this part integrates with different Cummins engines.

4B3.9 and 6B5.9 Engines

In the 4B3.9 and 6B5.9 engines, the Hexagon Head Cap Screw 3909582 is often used in the cylinder head assembly. This screw helps secure the cylinder head to the engine block, ensuring a tight seal for combustion chambers and preventing leaks.

6C8.3, B5.9 G, and B5.9 GAS PLUS CM556 Engines

For the 6C8.3, B5.9 G, and B5.9 GAS PLUS CM556 engines, this screw is frequently found in the valve train assembly. It plays a crucial role in holding various components of the valve train together, maintaining the precise alignment necessary for efficient engine operation.

C GAS PLUS CM556 and C8.3 G Engines

In the C GAS PLUS CM556 and C8.3 G engines, the Hexagon Head Cap Screw 3909582 is used in the turbocharging system. It helps secure the turbocharger housing and other related components, ensuring the turbocharger operates efficiently and reliably.

G5.9 and G5.9 CM558 Engines

For the G5.9 and G5.9 CM558 engines, this screw is often utilized in the fuel injection system. It is used to fasten various components of the fuel injection system, ensuring that the system operates correctly and efficiently.

G8.3 and ISB5.9G CM2180 Engines

In the G8.3 and ISB5.9G CM2180 engines, the Hexagon Head Cap Screw 3909582 is used in the engine’s cooling system. It helps secure the water pump and other cooling system components, ensuring that the engine maintains optimal operating temperatures.

QSC8.3 CM850 (CM2850) and QSM11 CM570 Engines

For the QSC8.3 CM850 (CM2850) and QSM11 CM570 engines, this screw is used in the engine’s exhaust system. It helps secure the exhaust manifold and other related components, ensuring that the exhaust system operates efficiently and reduces emissions.

Each of these engines relies on the Hexagon Head Cap Screw 3909582 for various critical functions, ensuring the engine’s overall performance and reliability.

Role of Part 3909582 Hexagon Head Cap Screw in Engine Systems

The 3909582 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 maintaining the integrity and performance of the engine system.

Accessories and Wiring

In the context of accessories and wiring, the 3909582 screw is used to secure electrical components and wiring harnesses. This ensures that all connections remain stable and protected from vibrations, which can otherwise lead to intermittent electrical issues or complete failure of the accessory.

Alternator Mounting

For alternator mounting, the screw plays a significant role in attaching the alternator to the engine block. Proper fastening is vital to ensure the alternator operates efficiently and maintains a consistent charge to the battery.

Compressor Air Inlet and Coolant Connections

In the arrangement of the compressor air inlet and coolant connections, the 3909582 screw secures critical components such as the compressor housing and coolant passages. This ensures that air and coolant flow is uninterrupted, which is essential for the efficient operation of the compressor.

Exhaust Outlet and Cylinder Block

At the exhaust outlet, the screw helps in securing the exhaust manifold to the cylinder block. This connection is important for directing exhaust gases away from the engine and minimizing backpressure, which can affect engine performance.

Heat Exchanger and Fuel Filter

In the heat exchanger and fuel filter assemblies, the 3909582 screw ensures that these components are firmly attached to their respective mounts. This is important for maintaining the efficiency of heat exchange and ensuring that the fuel filter operates within specified parameters.

Fuel Drain Location and Radiator Plumbing

At the fuel drain location, the screw secures the drain valve, ensuring it remains in place during operation. In radiator plumbing, it fastens components such as the radiator cap and hose connections, which are essential for maintaining coolant levels and preventing leaks.

Air Fuel Control and Valves

In air fuel control systems and various valves, such as the fuel shutoff valve, the 3909582 screw ensures that these components are securely mounted. This is important for precise control of air-fuel mixtures and reliable operation of the fuel shutoff mechanism.

Overall, the 3909582 Hexagon Head Cap Screw is a versatile fastener that contributes to the secure and efficient operation of numerous engine components.

Conclusion

The 3909582 Hexagon Head Cap Screw is a critical component in the assembly and maintenance of commercial trucks and Cummins engines. Its robust design, ease of installation, and resistance to corrosion make it an ideal choice for heavy-duty applications. Proper installation, regular maintenance, and timely replacement are essential for ensuring the longevity and reliability of this part, contributing to the overall performance and safety of the vehicle.