3695852
Flat Head Cap Screw
Cummins®

The Cummins 3695852 Flat Head Cap Screw is a specialized fastener designed for use in commercial trucks. Its primary function is to secure various components within the truck’s structure, ensuring stability and reliability under demanding conditions. This screw is integral to maintaining the integrity of truck assemblies, contributing to the overall performance and durability of the vehicle.

Basic Concepts of Flat Head Cap Screws

Flat head cap screws are a type of fastener characterized by a flat, countersunk head that sits flush with or below the surface of the material being fastened. These screws are commonly used in mechanical assemblies where a low-profile head is required to prevent interference with other components or to improve the aesthetics of the assembly. They function by providing a secure connection between components, distributing loads evenly, and resisting loosening due to vibrations or dynamic forces ¹.

Purpose of the Cummins 3695852 Flat Head Cap Screw

The Cummins 3695852 Flat Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is designed to secure critical components within the truck’s structure, such as engine mounts, chassis parts, and various brackets. The screw’s application areas include but are not limited to, the engine compartment, frame, and body panels. By providing a reliable fastening solution, it helps maintain the structural integrity and performance of the truck under various operating conditions ².

Key Features

The Cummins 3695852 Flat Head Cap Screw boasts several key features that enhance its performance and durability. These include a high-strength material composition, typically a grade of steel that offers excellent tensile strength and resistance to corrosion. The screw features a specific thread type that ensures a secure fit and optimal load distribution. Its flat head design allows for a low-profile installation, minimizing protrusion and reducing the risk of damage to adjacent components. Additionally, unique manufacturing specifications, such as precision machining and surface treatments, contribute to its reliability and longevity ³.

Benefits

The Cummins 3695852 Flat Head Cap Screw offers several benefits that make it an ideal choice for commercial truck applications. Its design allows for improved load distribution, ensuring that the fastened components remain securely in place under dynamic conditions. The screw’s resistance to loosening helps maintain the integrity of the assembly over time, reducing the need for frequent re-tightening. Furthermore, its compatibility with various truck components ensures versatility in application, making it a valuable fastener for a wide range of truck models and configurations.

Installation Guidelines

Proper installation of the Cummins 3695852 Flat Head Cap Screw is crucial for ensuring its effectiveness and longevity. The following guidelines should be observed:

1. Preparation: Ensure the mating surfaces are clean and free of debris to facilitate a secure connection.
2. Pilot Hole: Drill a pilot hole slightly smaller than the screw’s diameter to guide the screw and prevent splitting of the material.
3. Insertion: Insert the screw into the pilot hole, ensuring it is aligned correctly with the fastened components.
4. Torque Specification: Use a torque wrench to tighten the screw to the manufacturer’s specified torque value. This ensures the screw is tightened to the optimal level without over-tightening, which could damage the screw or the fastened material.
5. Inspection: After installation, inspect the screw to ensure it is securely fastened and the head is flush with the surface.

Troubleshooting and Maintenance

Common issues associated with flat head cap screws in commercial trucks include loosening due to vibrations, corrosion, and damage from improper installation. To troubleshoot these issues:

• Loosening: Regularly inspect screws for signs of loosening and re-tighten as necessary using the specified torque value.
• Corrosion: Apply a corrosion-resistant coating or use screws made from stainless steel or other corrosion-resistant materials in environments where exposure to moisture or chemicals is likely.
• Damage: Replace any screws that show signs of damage or wear to prevent failure and ensure the continued integrity of the assembly.

Safety Considerations

When working with flat head cap screws, it is important to observe several safety practices to prevent accidents and ensure compliance with industry standards:

• Handling: Use appropriate tools and techniques to handle screws to avoid injury.
• Storage: Store screws in a dry, organized environment to prevent corrosion and damage.
• Usage: Follow manufacturer guidelines for installation and torque specifications to ensure safe and effective use.

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 is committed to quality, innovation, and customer satisfaction. The company’s extensive product range includes engines, components, and systems for on-highway, off-highway, and power generation applications, demonstrating its expertise and leadership in the automotive and heavy-duty truck industries.

Cummins Flat Head Cap Screw 3695852 Compatibility

The Cummins Flat Head Cap Screw part number 3695852 is a versatile component designed to fit a variety of Cummins engines. This screw is integral in securing various parts within the engine assembly, ensuring structural integrity and proper functioning.

ISG11 CM2880 G108 and ISG12 CM2880 G107

These engines, both featuring the CM2880 designation, utilize the 3695852 screw in several critical applications. Typically, this screw is used in securing components within the engine’s head and block assemblies, ensuring that parts remain tightly fastened and aligned.

ISG12 G CMOH6.0 G111

In the ISG12 G CMOH6.0 G111 engine, the 3695852 screw is employed in securing the cylinder head to the engine block. This is crucial for maintaining the sealing of combustion chambers and ensuring that the engine operates efficiently.

QSG12 CM2880 G112

The QSG12 CM2880 G112 engine also benefits from the 3695852 screw in securing the cylinder head. Additionally, this screw may be used in fastening other engine components, such as the intake and exhaust manifolds, ensuring that these parts are securely attached and properly aligned.

QSG12/X12 CM2350 G110

In the QSG12/X12 CM2350 G110 engine, the 3695852 screw is used in securing the cylinder head and other critical components. Its role is essential in maintaining the structural integrity of the engine, ensuring that all parts remain in their correct positions under operational stresses.

X11 CM2670 X126B and X12 CM2350 X119B

These engines, X11 CM2670 X126B and X12 CM2350 X119B, use the 3695852 screw in securing various engine components, including the cylinder head and other critical parts. This screw is essential in maintaining the alignment and structural integrity of the engine.

X12 CM2670 X121B and X12N CMMDG1 X143B

In the X12 CM2670 X121B and X12N CMMDG1 X143B engines, the 3695852 screw is used in securing the cylinder head and other engine components. Its role is crucial in ensuring that these parts remain tightly fastened and properly aligned, contributing to the overall efficiency and reliability of the engine.

X13 CM2670 X122B

The X13 CM2670 X122B engine also utilizes the 3695852 screw in securing the cylinder head and other critical components. This screw is essential in maintaining the structural integrity of the engine, ensuring that all parts remain in their correct positions under operational stresses.

Role of Part 3695852 Flat Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the part 3695852 Flat Head Cap Screw plays a significant role in ensuring the structural integrity and proper functioning of various components.

Cylinder Block

The cylinder block is the backbone of an engine, housing the cylinders where combustion occurs. The 3695852 Flat Head Cap Screw is employed to secure various components to the cylinder block, such as brackets, sensors, and auxiliary parts. Its design allows for a flush surface, minimizing air resistance and potential damage from debris. Additionally, the screw’s flat head provides a larger contact area, enhancing the distribution of clamping force and reducing the risk of stripping or damage to the cylinder block material.

Cylinder Block Kit

A cylinder block kit typically includes a variety of components designed to repair or upgrade the cylinder block. The 3695852 Flat Head Cap Screw is often used within these kits to reassemble or modify the cylinder block. It ensures that new or replacement parts are securely fastened, maintaining the precision alignment required for optimal engine performance. The screw’s reliability in withstanding high temperatures and vibrations makes it an ideal choice for such applications, contributing to the longevity and efficiency of the engine system.

Conclusion

The Cummins 3695852 Flat Head Cap Screw is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its design, featuring a high-strength material and a flat head for low-profile installation, ensures secure fastening and resistance to loosening under dynamic conditions. Proper installation and maintenance practices are essential to maximize the screw’s effectiveness and longevity, contributing to the overall performance and durability of the vehicle.