3171717
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3171717, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This screw is significant in the realm of commercial truck maintenance due to its robust design and reliable performance. Cummins, known for its commitment to quality and innovation, produces this screw to meet the demanding requirements of truck mechanics and fleet managers.

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 a larger bearing surface that helps distribute load and resist rotation. Within a truck’s mechanical system, this screw plays a role in securing various components, ensuring they remain firmly in place under operational stress.

Purpose and Role in Truck Operation

The 3171717 Hexagon Flange Head Cap Screw is utilized in multiple areas within commercial trucks. It is commonly employed in applications where secure fastening is required, such as attaching brackets, panels, and other structural components. Its design ensures that these parts remain fixed, contributing to the overall stability and safety of the vehicle. Additionally, it is used in engine compartments and other critical areas where vibration resistance is paramount.

Key Features

The 3171717 Hexagon Flange Head Cap Screw boasts several key features that enhance its functionality and durability. Its hexagonal head design allows for straightforward installation and removal using common tools, reducing the time required for maintenance tasks. The flange at the base of the screw provides additional surface area, which helps in distributing the load more evenly and preventing the screw from loosening due to vibration. The material composition, typically a high-grade steel alloy, ensures resistance to corrosion and wear, making it suitable for the harsh environments often encountered in commercial trucking.

Benefits

Using the 3171717 Hexagon Flange Head Cap Screw in truck maintenance offers several advantages. The screw’s design contributes to improved fastening security, ensuring that components remain securely attached even under significant stress. Its resistance to vibration reduces the likelihood of loosening, which can be a common issue with other types of fasteners. Additionally, the ease of installation and removal simplifies maintenance procedures, allowing for quicker and more efficient repairs.

Installation and Usage

Proper installation of the 3171717 Hexagon Flange Head Cap Screw is vital to ensure optimal performance and longevity. It is recommended to use the appropriate torque specifications provided by Cummins to avoid over-tightening, which can lead to damage, or under-tightening, which can compromise security. Best practices include cleaning the installation area to remove any debris or corrosion that could affect the screw’s grip. Using a torque wrench ensures that the screw is tightened to the manufacturer’s recommended specifications.

Troubleshooting and Maintenance

Common issues with the 3171717 Hexagon Flange Head Cap Screw may include loosening or corrosion. Regular inspections can help identify these problems early. If loosening is detected, re-tightening the screw to the specified torque is usually sufficient. In cases of corrosion, cleaning the affected area and applying a corrosion-resistant coating can help prolong the screw’s lifespan. Routine maintenance, such as checking for signs of wear or damage, ensures reliable operation and prevents potential failures.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has built a reputation for quality, reliability, and innovation. The company’s product range includes engines and components for on-highway, off-highway, and stationary applications. Cummins’ commitment to excellence is evident in its rigorous testing protocols and continuous investment in research and development, ensuring that its products meet the highest standards of performance and durability.

Cummins Engine Compatibility with Hexagon Flange Head Cap Screw Part 3171717

The Cummins Hexagon Flange Head Cap Screw part number 3171717 is a versatile component that fits into various Cummins engine models. This screw is designed to secure and stabilize different parts within the engine assembly, ensuring optimal performance and reliability. Below is a detailed breakdown of the engines that are compatible with this part:

Compatible Engines

• 15N CM2380 M104B
• B6.7 CM2350 B135B
• ISG11 CM2880 G108
• ISG12 CM2880 G107
• ISG12 G CMOH6.0 G111
• QSG12 CM2880 G112
• QSG12/X12 CM2350 G110
• QSK45 CM500
• QSK60 CM500
• QSK60 CM850 MCRS
• QSK60G
• QSK78 CM500
• QSK95 CM2350 K111
• QSK95 CM2350 K113
• QSM11 CM570
• QSV91-G4 CM558/CM700 V102
• QSV91G
• X12 CM2670 X121B
• X13 CM2670 X122B
• Z14 CM2670 Z103B

Grouping of Compatible Engines

• CM2350 Series:

  • B6.7 CM2350 B135B
  • QSG12/X12 CM2350 G110
  • QSK95 CM2350 K111
  • QSK95 CM2350 K113

• CM2880 Series:

  • ISG11 CM2880 G108
  • ISG12 CM2880 G107
  • QSG12 CM2880 G112

• CM500 Series:

  • QSK45 CM500
  • QSK60 CM500
  • QSK78 CM500

• CM558/CM700 Series:

  • QSV91-G4 CM558/CM700 V102

• CM850 Series:

  • QSK60 CM850 MCRS

• CM2670 Series:

  • X12 CM2670 X121B
  • X13 CM2670 X122B
  • Z14 CM2670 Z103B

• Other Models:

  • 15N CM2380 M104B
  • ISG12 G CMOH6.0 G111
  • QSM11 CM570
  • QSV91G

This part is integral to maintaining the structural integrity and operational efficiency of these engines, ensuring that all components remain securely fastened during operation.

Role of Part 3171717 Hexagon Flange Head Cap Screw in Engine Systems

The 3171717 Hexagon Flange Head Cap Screw is integral in securing various components within engine systems, ensuring stability and efficient operation. Its application spans across multiple subsystems, contributing to the overall integrity and performance of the engine.

Aftercooler and Compressor Systems

In aftercooler and compressor systems, the 3171717 screw is used to fasten components that manage refrigerant flow and pressure. It secures critical joints and connections, maintaining the structural integrity of the system and ensuring optimal cooling and compression processes.

Cylinder Block and Hardware

Within the cylinder block, this screw plays a role in attaching hardware kits and securing components such as the cylinder block itself. It ensures that all parts are firmly in place, reducing the risk of misalignment or failure under operational stress.

Dampers and Vibration Control

For dampers designed to mitigate vibration, the 3171717 screw is employed to secure the damper to the engine block or other structural elements. This attachment is vital for effective vibration absorption, contributing to smoother engine operation and reduced wear on components.

Drive and Fan Systems

In drive and fan systems, the screw is used to attach fan blades to the drive mechanism. This ensures that the fan operates efficiently, providing necessary airflow for cooling critical engine components and maintaining optimal operating temperatures.

Engine Lifting and Support Systems

The 3171717 screw is also crucial in engine lifting kits and support systems. It secures lifting points and support brackets, ensuring that the engine can be safely moved and maintained without risk of structural failure.

Heat Exchangers and Plumbing

Within heat exchangers and fuel supply plumbing, this screw fastens components that manage the flow of coolant, fuel, and lubricating oil. Its use ensures that these systems remain sealed and operate efficiently, contributing to the engine’s overall performance and longevity.

Pumps and Lubricating Systems

In fuel and lubricating oil pumps, the screw is used to secure pump components, ensuring they remain in place under operational pressures. This is essential for maintaining the pump’s efficiency and reliability in delivering fuel and lubricants to the engine.

Auxiliary Cooling and Ignition Systems

For auxiliary cooling systems and ignition components, the 3171717 screw secures parts that are critical to the engine’s cooling and starting processes. Its application ensures that these systems function correctly, contributing to the engine’s reliability and performance.

Conclusion

The 3171717 Hexagon Flange Head Cap Screw is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its robust design, ease of installation, and resistance to vibration make it an essential fastener for securing various components within engine systems. Proper installation and regular maintenance ensure the longevity and reliability of this Cummins part, contributing to the overall performance and safety of the vehicle.