3328637
Studded Flange Cap Screw
Cummins®

The 3328637 Studded Flange Cap Screw by Cummins is a specialized fastener designed for heavy-duty truck applications. Its purpose is to provide secure and reliable fastening in various mechanical systems, ensuring the integrity and performance of truck components. This screw is significant in maintaining the structural and functional stability of heavy-duty trucks, contributing to their overall efficiency and longevity.

Basic Concepts of Studded Flange Cap Screws

A Studded Flange Cap Screw is a type of fastener that includes a threaded stud with a flange at one end and a cap screw at the other. The flange provides a larger surface area for distribution of clamping force, reducing the risk of damage to the fastened material. In mechanical systems, these screws are used to join components securely, often in environments where high stress and vibration are present. The design allows for easy installation and removal, making it suitable for applications requiring frequent maintenance or adjustments.

Role of the 3328637 Studded Flange Cap Screw in Truck Operations

This Cummins part plays a role in the operation and maintenance of heavy-duty trucks by providing a robust fastening solution for critical components. It is often used in applications where secure and durable connections are necessary, such as in the engine compartment, transmission systems, and chassis assemblies. By ensuring that components remain firmly attached, this screw helps maintain the structural integrity and performance of the truck under various operating conditions.

Key Features of the 3328637 Studded Flange Cap Screw

The 3328637 is characterized by several key features that enhance its performance and reliability. It is constructed from high-strength materials, typically alloy steel, which provides excellent durability and resistance to wear and corrosion. The design includes a studded flange that distributes clamping force evenly, reducing the likelihood of damage to the fastened surfaces. Additionally, the screw features precise threading and a cap head that allows for easy installation using standard tools.

Benefits of Using the 3328637 Studded Flange Cap Screw

Using this part offers several advantages. Its high-strength material ensures durability and reliability in demanding applications. The flange design provides a larger surface area for clamping, which enhances the security of the fastening. This screw also offers excellent resistance to corrosion, making it suitable for use in various environmental conditions. Furthermore, its ease of installation and removal simplifies maintenance procedures, reducing downtime and enhancing operational efficiency.

Installation Process

Proper installation of the 3328637 is crucial for ensuring optimal performance and safety. 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 started, use a torque wrench to tighten the screw to the manufacturer’s specified torque settings. This ensures that the screw is securely fastened without over-tightening, which could damage the components or the screw itself.

Troubleshooting Common Issues

Common issues associated with Studded Flange Cap Screws include loosening, corrosion, and damage to the screw or flange. To address these problems, regular inspections should be conducted to check for signs of wear or corrosion. If a screw appears loose, it should be re-tightened to the specified torque. In cases of corrosion, the affected area should be cleaned, and a corrosion-resistant coating may be applied. If the screw or flange is damaged, replacement may be necessary to maintain the integrity of the fastening.

Maintenance Tips

To prolong the life and efficiency of the 3328637, regular maintenance practices should be followed. This includes periodic inspections for signs of wear, corrosion, or loosening. Cleaning the screw and surrounding areas can prevent the buildup of debris and contaminants that may accelerate wear. Applying a corrosion-resistant coating can further protect the screw from environmental factors. Additionally, ensuring that the screw is tightened to the correct torque during installation and re-tightening will help maintain a secure fastening.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. Founded in 1919, Cummins has a long-standing reputation for innovation, quality, and reliability in the automotive industry. The company offers a wide range of products, including diesel and natural gas engines, as well as related technologies and services. Cummins is known for its commitment to customer satisfaction and its focus on sustainable solutions for power needs. ¹

Engine Compatibility with Studded Flange Cap Screw Part 3328637

The Studded Flange Cap Screw part 3328637, manufactured by Cummins, is a critical component in various engine assemblies. This part is designed to secure flanges and other components, ensuring a tight and reliable connection. Here is how it fits with the listed engines:

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN
• QSM11 CM570
• QSM11 CM876

The Studded Flange Cap Screw part 3328637 is integral to the ISM series engines, particularly in securing various flanges within the engine assembly. These engines, known for their robust performance, rely on this screw to maintain the integrity of connections in critical areas.

L10 Series Engines

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

In the L10 series engines, the Studded Flange Cap Screw part 3328637 is used to secure flanges in both CELECT and mechanical configurations. This ensures that the engine components remain tightly fastened, contributing to the overall reliability and performance of the engine.

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

For the M11 series engines, the Studded Flange Cap Screw part 3328637 is essential in securing flanges in CELECT, CELECT PLUS, and mechanical versions. This screw helps maintain the structural integrity of the engine, ensuring that all components are securely fastened.

QSB and QSC Series Engines

• QSB6.7 CM2250
• QSC8.3 CM850 (CM2850)
• QSC9 CM2250/QSL9 CM2250

In the QSB and QSC series engines, the Studded Flange Cap Screw part 3328637 is used to secure flanges in various configurations. This screw is crucial for maintaining the engine’s structural integrity and ensuring that all components are securely fastened.

By understanding the role of the Studded Flange Cap Screw part 3328637 in these engines, technicians and engineers can ensure proper maintenance and assembly, contributing to the overall performance and longevity of the engines.

Role of Part 3328637 Studded Flange Cap Screw in Engine Systems

The Part 3328637 Studded Flange Cap Screw is an essential fastener utilized in various engine systems to ensure secure and reliable connections. Its applications span across multiple components, contributing to the overall integrity and performance of the engine.

Air Cleaner Mounting

In the air cleaner assembly, the studded flange cap screw is employed to firmly attach the air cleaner housing to the engine block or intake manifold. This secure attachment prevents air leaks, ensuring optimal airflow into the engine.

Air Intake Connection

For the air intake system, this screw plays a role in connecting the air intake tube to the throttle body or the air cleaner housing. A tight and leak-free connection is vital for maintaining the correct air-fuel ratio and enhancing engine performance.

Camshaft

Within the valve train, the studded flange cap screw is used to secure camshaft components, such as camshaft caps or bearing caps. This ensures the camshaft remains properly aligned and reduces the risk of misalignment or failure under high RPMs.

Connecting Rod and Piston

In the lower end of the engine, this screw is instrumental in attaching connecting rod caps to the rod body. This secure fastening is crucial for withstanding the immense forces generated during combustion and piston movement.

Cylinder Head Mounting

The cylinder head assembly relies on the studded flange cap screw to attach the head to the engine block. Proper torque and secure fastening are essential to maintain cylinder pressure and prevent leaks.

Electronic Control Module Wiring Harness

For the electronic control module (ECM) wiring harness, this screw is used to mount the ECM securely within the engine compartment. A stable and vibration-resistant mount ensures the ECM functions correctly under various driving conditions.

Engine Control Module

Similarly, in the engine control module (ECM) setup, the screw ensures the ECM is firmly attached, providing a stable platform for the module to operate efficiently.

Engine Instrument Panel

In the engine instrument panel, the studded flange cap screw is used to mount gauges and sensors securely. This ensures accurate readings and reliable performance of the instrumentation.

Engine Oil Cooler

For the engine oil cooler, this screw is utilized to attach the cooler to the engine block or oil passages. Secure mounting prevents leaks and ensures efficient oil cooling.

Engine Piston Kit

Within the engine piston kit, the screw may be used to secure piston pin clips or other small components, ensuring they remain in place under the high stresses of engine operation.

Exhaust Recirculation

In the exhaust recirculation (EGR) system, the screw is used to mount EGR valves and connect EGR pipes. This secure attachment ensures the EGR system functions correctly, reducing emissions.

Injector Plumbing

For the fuel injector system, the screw is employed to secure injector plumbing and mounting brackets. This ensures the fuel delivery system remains intact and functions efficiently.

Instrument Panel Mounting

In the instrument panel, the screw is used to mount various sensors and gauges, ensuring they are securely fastened and provide accurate readings.

Lifting Arrangement

During engine maintenance or replacement, the screw is used in lifting arrangements to secure lifting points, ensuring safe and stable handling of the engine.

Oil Manifold

In the oil manifold system, the screw is used to attach the manifold to the engine block, ensuring a secure and leak-free connection for oil distribution.

Performance Parts

In high-performance engine builds, the studded flange cap screw is often used to secure aftermarket performance parts, such as upgraded cylinder heads, camshafts, and intake manifolds, ensuring these components are firmly in place under increased stress and power output.

Conclusion

The 3328637 Studded Flange Cap Screw by Cummins is a critical component in heavy-duty truck and engine applications. Its robust design, high-strength materials, and ease of installation make it an ideal choice for securing various components in demanding environments. Proper installation, regular maintenance, and understanding its role in engine systems are essential for ensuring the longevity and performance of heavy-duty trucks and engines.