3171714
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3171714, is a component manufactured by Cummins, a well-regarded name in the automotive and heavy-duty truck industry. This screw is integral to the assembly and maintenance of commercial trucks, providing a reliable fastening solution that ensures the integrity and performance of various truck components.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient torque application using standard tools, while the flange provides additional surface area to distribute load and prevent the screw from sinking into softer materials. Within mechanical systems, these screws serve to securely join components, ensuring structural stability and operational efficiency ¹.

Purpose and Role in Truck Operation

The 3171714 Hexagon Flange Head Cap Screw plays a significant role in the operation of commercial trucks by fastening critical components. It is commonly used in applications where high tensile strength and resistance to loosening are required. These applications include securing engine components, transmission parts, and various chassis elements. The screw’s design ensures that it maintains a tight and secure fit, even under the dynamic conditions experienced by trucks in operation ².

Key Features

The 3171714 Hexagon Flange Head Cap Screw boasts several key features that enhance its performance and reliability. Its hexagonal head design allows for easy and precise tightening using common tools. The flange at the base of the screw provides additional bearing surface, which helps in distributing the load more evenly and preventing the screw from pulling through the material. Additionally, the screw is typically made from high-strength materials, ensuring durability and resistance to corrosion ³.

Benefits

Using the 3171714 Hexagon Flange Head Cap Screw offers several advantages. Its robust construction and high tensile strength make it durable under demanding conditions. The flange design reduces the likelihood of the screw loosening over time, which is crucial for maintaining the integrity of truck components. Furthermore, the hexagonal head allows for straightforward installation and removal, facilitating easier maintenance and repair processes.

Installation Process

Proper installation of the 3171714 Hexagon Flange Head Cap Screw is vital for ensuring optimal performance and longevity. The installation process involves several steps: First, ensure that the mating surfaces are clean and free of debris. Next, align the screw with the designated hole and begin threading it in by hand to avoid cross-threading. Once the screw is started, use a torque wrench to tighten it to the manufacturer’s specified torque settings. This ensures that the screw is secure without being overtightened, which could lead to damage.

Common Applications

The 3171714 Hexagon Flange Head Cap Screw is versatile and finds applications in various parts of commercial trucks. It is commonly used to secure engine components, such as cylinder heads and valve covers, as well as transmission parts and chassis elements. Its design makes it suitable for applications where vibration and dynamic loads are present, ensuring that critical components remain firmly in place.

Troubleshooting and Maintenance

To ensure the continued reliability of the 3171714 Hexagon Flange Head Cap Screw, routine maintenance and troubleshooting are necessary. Inspect screws regularly for signs of loosening or corrosion. If a screw appears loose, re-tighten it to the specified torque settings. In cases where corrosion is detected, consider replacing the screw to prevent failure. Additionally, keeping mating surfaces clean and free of contaminants will help maintain the screw’s effectiveness over time.

Manufacturer - Cummins

Cummins is a renowned manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a rich 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 stringent quality control processes ensures that its products, like the 3171714 Hexagon Flange Head Cap Screw, meet the demanding requirements of commercial truck applications.

Cummins Engine Part 3171714: Hexagon Flange Head Cap Screw

The Hexagon Flange Head Cap Screw, part number 3171714, is a critical component utilized across various Cummins engine models. This part is designed to provide secure fastening in applications where both high strength and durability are paramount. Below is an overview of how this part integrates with the specified engine models:

QSK45 CM500, QSK60 CM500, QSK78 CM500

These engines, part of the QSK series, are known for their robust design and reliability in demanding applications. The Hexagon Flange Head Cap Screw is used in these engines to secure various components, ensuring that parts remain tightly fastened under high operational stresses. This screw is particularly useful in areas where vibration and movement are common, providing a stable and reliable connection.

QSK60 CM850 MCRS, QSK95 CM2350 K111, QSK95 CM2350 K113

These engines, which include the QSK60 CM850 MCRS and the QSK95 CM2350 models, are designed for heavy-duty applications. The Hexagon Flange Head Cap Screw is integral in these engines for securing critical components such as engine blocks, cylinder heads, and other structural parts. The screw’s design allows for easy installation and removal, which is crucial during maintenance and repair operations.

QSV91-G4 CM558/CM700 V102, QSV91G

The QSV91-G4 CM558/CM700 V102 and QSV91G engines are part of Cummins’ versatile engine lineup, often used in a variety of applications from marine to industrial use. The Hexagon Flange Head Cap Screw in these engines is used to fasten parts that are exposed to high temperatures and pressures. Its design ensures that connections remain tight and secure, even in the most challenging environments.

Role of Part 3171714 Hexagon Flange Head Cap Screw in Engine Systems

The part 3171714 Hexagon Flange Head Cap Screw is instrumental in securing and maintaining the integrity of various engine components. Its application spans across multiple critical areas within the engine system, ensuring that each part functions optimally and remains securely in place.

Accessory Drive Cover

In the accessory drive cover, the Hexagon Flange Head Cap Screw is used to fasten the cover to the engine block. This ensures that the cover remains securely attached, protecting the internal components from debris and contaminants.

Aftercooler

For the aftercooler, this screw plays a role in attaching the aftercooler to the engine block or other structural components. It helps in maintaining the alignment and structural integrity of the aftercooler, which is essential for efficient cooling of the compressed air.

Engine Block and Cylinder

Within the engine block and cylinder assembly, the Hexagon Flange Head Cap Screw is employed to secure various components such as cylinder heads, valve covers, and other attachments. This ensures that these components remain firmly in place, contributing to the overall stability and performance of the engine.

Air Cleaner

In the air cleaner assembly, this screw is used to attach the air cleaner housing to the engine or its mounting bracket. This secure attachment is vital for maintaining the air flow path and ensuring that the air cleaner functions effectively in filtering incoming air.

Drive Components

For drive components such as the accessory drive, fan drive, and front gear train accessory, the Hexagon Flange Head Cap Screw is essential in attaching these components to the engine. This secure attachment ensures that the drive components operate smoothly and efficiently, transferring power as intended.

Lubricating Oil Housing and Flywheel Housing

In the lubricating oil housing and flywheel housing, this screw is used to fasten these components to the engine block. This secure attachment is important for maintaining the structural integrity of the housings and ensuring that they perform their intended functions without failure.

Front Gear and Mounting

The front gear and its mounting require the Hexagon Flange Head Cap Screw to ensure that the gear is securely attached to the engine. This is important for the proper operation of the front gear, which is often part of the accessory drive system.

Orifice Plug

Finally, in the orifice plug application, this screw is used to secure the orifice plug in place. This ensures that the orifice plug functions correctly, regulating the flow of fluids or gases as required by the engine system.

Conclusion

Overall, the part 3171714 Hexagon Flange Head Cap Screw is a versatile fastener that plays a significant role in the secure attachment and optimal functioning of various engine components. Its robust design and reliable performance make it an essential component in the maintenance and operation of Cummins engines.