3696807
Ring Dowel
Cummins®

The 3696807 Ring Dowel Pin, manufactured by Cummins, is a specialized component designed for use in commercial truck operations. Cummins, a well-established name in the automotive and heavy-duty truck industry, produces this pin to ensure precise alignment and secure fitting of various engine and transmission components. The significance of this Cummins part lies in its role in maintaining the integrity and efficiency of truck engines and transmissions.

Basic Concepts of Ring Dowel Pins

A Ring Dowel Pin is a cylindrical fastener used in mechanical systems to align and secure components. It operates by fitting into pre-drilled holes in mating parts, ensuring they are correctly positioned relative to each other. In an engine or transmission assembly, these pins help maintain the accurate alignment of gears, bearings, and other critical components, which is vital for the smooth operation and longevity of the system ¹.

Purpose of the 3696807 Ring Dowel Pin

The 3696807 Ring Dowel Pin plays a specific role in the operation of a truck by aligning and securing components within the engine or transmission. It ensures that parts such as gears, shafts, and housings are correctly positioned, which is crucial for the efficient transfer of power and the overall performance of the engine or transmission. Proper alignment prevents undue stress on components, reduces wear, and enhances the reliability of the system ².

Key Features

The 3696807 boasts several key features that enhance its performance and durability. It is typically made from high-strength materials such as steel or stainless steel, ensuring it can withstand the rigors of commercial truck operations. The pin’s dimensions are precisely engineered to fit specific applications, and its design includes features such as chamfered ends to facilitate easy insertion and removal. These characteristics contribute to its reliability and longevity in demanding environments ³.

Benefits

The 3696807 offers several benefits that contribute to the overall efficiency and reliability of truck engines and transmissions. Improved alignment accuracy ensures that components operate within their designed parameters, reducing the risk of premature wear or failure. Enhanced component security provided by the pin helps maintain the structural integrity of the engine or transmission, leading to smoother operation and increased durability. Additionally, the pin contributes to overall system efficiency by ensuring that power is transferred effectively between components ⁴.

Installation Process

Proper installation of the 3696807 is crucial for its effective function. The installation process involves several steps: first, ensuring that the mating surfaces are clean and free of debris; second, aligning the components to be secured; third, inserting the pin into the pre-drilled holes; and finally, verifying that the components are correctly positioned and the pin is securely in place. Best practices include using the appropriate tools to avoid damaging the pin or the components, and checking for proper fit and alignment before final assembly.

Common Issues and Troubleshooting

Common issues that may arise with the 3696807 include misalignment and wear. Misalignment can occur if the pin is not properly inserted or if the mating surfaces are not correctly prepared. Wear may result from prolonged use or exposure to harsh operating conditions. Troubleshooting these issues involves inspecting the pin and mating surfaces for damage or improper fit, and replacing the pin if necessary. Regular maintenance and proper installation can help prevent these issues.

Maintenance Tips

To ensure the longevity and optimal performance of the 3696807, routine maintenance practices are recommended. This includes regular inspection of the pin and mating surfaces for signs of wear or damage, and cleaning the components to remove any debris or contaminants. Additionally, ensuring that the pin is correctly installed and securely in place during routine maintenance checks can help prevent issues and maintain the efficiency of the engine or transmission.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and related components. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing high-quality, reliable products. The company’s extensive product offerings and commitment to innovation have made it a trusted name among commercial truck operators and manufacturers.

3696807 Compatibility with Cummins Engines

The 3696807, manufactured by Cummins, is a critical component that fits into several of their engine models. This part is essential for the proper functioning of the engine’s piston rings, ensuring that they maintain the correct position and alignment within the cylinder. Below is a detailed description of the engines with which this part is compatible:

Compatible Engines

• ISG11 CM2880 G108
• ISG12 CM2880 G107
• ISG12 G CMOH6.0 G111
• QSG12 CM2880 G112
• QSG12/X12 CM2350 G110
• X12 CM2670 X121B

Grouping by Engine Series

ISG Series

The ISG series engines, including the ISG11 CM2880 G108 and ISG12 CM2880 G107, are designed for industrial applications. The 3696807 is compatible with these engines, ensuring that the piston rings are properly aligned and secured, which is crucial for maintaining engine performance and longevity.

QSG Series

The QSG12 CM2880 G112 and QSG12/X12 CM2350 G110 engines are part of the QSG series, which are typically used in a variety of applications, including construction and agricultural equipment. The 3696807 fits these engines, providing the necessary support and alignment for the piston rings.

X12 Series

The X12 CM2670 X121B engine is part of the X12 series, which is known for its robust design and high performance. The 3696807 is compatible with this engine, ensuring that the piston rings are properly aligned and secured, contributing to the engine’s overall efficiency and durability.

By ensuring that the 3696807 is correctly installed in these engines, users can maintain optimal engine performance and prevent potential issues related to piston ring misalignment.

Understanding the Role of Part 3696807 in Engine Systems

The 3696807 is an essential component in the assembly and alignment of various engine systems. Its primary function is to ensure precise positioning and secure fitting of components, contributing to the overall efficiency and reliability of the engine.

Integration with the Cylinder Block

In the context of the cylinder block, the 3696807 plays a significant role in maintaining the correct alignment between the cylinder block and other mating components. When the cylinder block is assembled with the crankshaft, the 3696807 ensures that these components are positioned accurately relative to each other. This alignment is vital for the proper functioning of the engine, as it affects the combustion process, piston movement, and overall engine balance.

The 3696807 is typically installed in specific bores within the cylinder block. Its presence guarantees that when the crankshaft is placed, it sits in the exact intended position. This precision is necessary to avoid issues such as misalignment, which can lead to increased wear, reduced performance, and potential engine damage over time.

By securing the crankshaft in the correct position, the 3696807 also aids in the consistent operation of the pistons within the cylinders. Proper alignment ensures that the pistons move smoothly and efficiently, minimizing friction and maximizing the engine’s power output.

In summary, the 3696807 is a small yet significant component that ensures the accurate assembly and operation of the cylinder block and related engine components. Its role in maintaining alignment and securing fittings is fundamental to the engine’s performance and longevity.

Conclusion

The 3696807 Ring Dowel Pin is a critical component in the maintenance and operation of commercial truck engines and transmissions. Its role in ensuring precise alignment and secure fitting of components contributes significantly to the efficiency, reliability, and longevity of the engine. Proper installation, regular maintenance, and understanding its compatibility with various Cummins engines are essential for optimal performance. By integrating this part into engine systems, particularly within the cylinder block, the 3696807 plays a fundamental role in maintaining engine balance, reducing wear, and enhancing overall engine performance.