3936188
Access Hole Cover
Cummins®

Introduction

The Cummins 3936188 Access Hole Cover is a component designed for use in commercial trucks. It serves a dual purpose: providing access to specific components within the truck’s engine compartment while also protecting these components from external elements such as dirt, moisture, and debris. This cover is integral to maintaining the operational integrity and longevity of the truck’s engine system ¹.

Purpose and Function

The Cummins 3936188 Access Hole Cover facilitates access to particular components within the engine compartment, allowing for easier inspection, maintenance, and repair. By covering the access hole, it shields sensitive engine parts from environmental contaminants that could lead to corrosion, wear, or malfunction. This protective function is vital for preserving the engine’s efficiency and reliability over time ².

Design and Key Features

The Cummins 3936188 Access Hole Cover is engineered with durability and functionality in mind. It is constructed from high-quality materials that offer resistance to corrosion and physical damage. The cover incorporates a sealing mechanism to ensure a tight fit over the access hole, effectively preventing the ingress of contaminants. Its design may include features such as a secure latching system to ensure it remains in place during operation and easy-to-use handles for convenient opening and closing ³.

Benefits of Using Cummins 3936188 Access Hole Cover

Utilizing the Cummins 3936188 Access Hole Cover offers several advantages. It enhances the protection of internal engine components, potentially extending their lifespan and maintaining engine performance. The cover simplifies access for maintenance tasks, reducing downtime and facilitating quicker repairs. Over time, these benefits can translate into cost savings by minimizing the need for frequent repairs and replacements of engine parts.

Installation and Maintenance

Proper installation of the Cummins 3936188 Access Hole Cover involves ensuring the access hole is clean and free of debris before fitting the cover. Tools required may include a socket wrench for securing the cover in place. Regular maintenance involves inspecting the cover for signs of wear or damage, ensuring the sealing mechanism remains intact, and cleaning the cover as necessary to maintain its effectiveness.

Troubleshooting Common Issues

Common issues with the Cummins 3936188 Access Hole Cover may include leaks around the seal or difficulty in opening the cover. To address leaks, inspect the seal for damage and replace if necessary. If the cover is difficult to open, check for obstructions around the access hole and ensure the latching mechanism is functioning correctly. Regular maintenance can help prevent these issues.

Manufacturer Overview - Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the automotive industry, Cummins is committed to innovation, quality, and customer satisfaction. The company’s extensive range of components for commercial vehicles underscores its dedication to enhancing the performance, efficiency, and reliability of these vehicles.

Compatibility with Cummins Engines

The Access Hole Cover part number 3936188, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This part is crucial for providing access to specific areas within the engine for maintenance and inspection purposes.

Compatible Engines

• 4B3.9 and B3.9 G Engines The Access Hole Cover part 3936188 is compatible with the 4B3.9 and B3.9 G engines. These engines are known for their reliability and efficiency, often used in various applications requiring robust performance.

• B4.5 Engine The part also fits the B4.5 engine, which is another variant in Cummins’ lineup. This engine is designed to offer a balance of power and efficiency, making it suitable for a range of industrial and commercial applications.

• ISB3.9 CM2220 B107 and QSB3.9 CM2880 B138 Engines The Access Hole Cover part 3936188 is also compatible with the ISB3.9 CM2220 B107 and QSB3.9 CM2880 B138 engines. These engines are part of Cummins’ higher performance range, offering enhanced durability and power for demanding tasks.

Grouping of Compatible Engines

The compatibility of the Access Hole Cover part 3936188 spans across different engine families within Cummins’ product range. Grouping the engines in this manner helps in understanding the versatility of the part across various engine models.

• 3.9 Liter Series The 4B3.9, B3.9 G, ISB3.9 CM2220 B107, and QSB3.9 CM2880 B138 engines fall under the 3.9-liter series. This grouping highlights the part’s ability to fit multiple models within the same engine displacement category.

• 4.5 Liter Series The B4.5 engine, with its 4.5-liter displacement, represents a slightly larger engine within Cummins’ lineup. The compatibility of part 3936188 with this engine demonstrates its adaptability across different engine sizes.

By ensuring compatibility with a range of Cummins engines, the Access Hole Cover part 3936188 provides a practical solution for maintenance and inspection needs across various engine models.

Role of Part 3936188 Access Hole Cover in Engine Systems

The 3936188 Access Hole Cover is an integral component in various engine systems, facilitating maintenance and operational efficiency. When integrated into an arrangement, this cover ensures that access points are securely sealed, preventing contaminants from entering sensitive areas while allowing for easy access when necessary.

In the context of a cam follower cover, the 3936188 Access Hole Cover plays a significant role in protecting the cam follower mechanisms. By providing a secure yet accessible cover, it allows mechanics to inspect and service the cam followers without exposing the entire engine system to potential debris or damage.

Similarly, when used with a general cover component, the 3936188 Access Hole Cover enhances the overall protection of the engine’s internal components. This is particularly important in high-stress environments where dust, dirt, and other particulates can adversely affect engine performance.

For the cam follower itself, the cover ensures that the follower operates within a clean and controlled environment. This is essential for maintaining the precision and reliability of the cam follower’s movement, which is vital for the engine’s timing and performance.

In a kit that includes multiple engine components, the 3936188 Access Hole Cover serves as a standardized solution for securing access points across different parts. This uniformity simplifies the maintenance process, allowing engineers and mechanics to quickly identify and service necessary areas without the need for specialized tools or procedures.

Lastly, in a VE conversion setup, where engine modifications are common, the 3936188 Access Hole Cover provides a reliable means of adapting existing engine covers to new configurations. This adaptability is key in custom engine builds, where access to specific components may need to be frequently adjusted.

Conclusion

The Cummins 3936188 Access Hole Cover is a vital component for maintaining the efficiency and reliability of commercial truck engines. Its design and functionality not only facilitate easier maintenance and repair but also protect sensitive engine parts from environmental contaminants. By ensuring compatibility with a range of Cummins engines, this part provides a practical and versatile solution for various maintenance and inspection needs.