3936189
Access Hole Cover
Cummins®

Introduction

The Cummins 3936189 Access Hole Cover is a critical component for commercial trucks, designed to provide secure and contaminant-free access to essential engine components. This part is vital for maintaining the engine’s integrity and efficiency.

Purpose and Function

The primary function of the Cummins 3936189 Access Hole Cover is to allow technicians to access key engine components without exposing them to external contaminants such as dirt, moisture, and debris. This sealed access point helps preserve the cleanliness and functionality of internal components, contributing to the truck’s overall reliability and performance ¹.

Design and Construction

Constructed from durable materials, the Cummins 3936189 Access Hole Cover is designed to withstand harsh commercial truck environments. Its snug fit ensures effective sealing, and the materials are chosen for their strength, resistance to wear, and ease of installation ².

Key Features

The Cummins 3936189 Access Hole Cover features robust material composition for durability and resistance to environmental factors. It incorporates sealing mechanisms for a tight fit, preventing contaminants from entering the engine compartment. Unique design elements facilitate easy installation and removal ³.

Benefits

This Cummins part offers several benefits, including improved maintenance access, enhanced protection of internal components from external contaminants, and contribution to the overall reliability of the truck. By keeping engine components clean and functional, it helps maintain engine efficiency and longevity ⁴.

Installation Process

Installing the Cummins 3936189 Access Hole Cover involves cleaning the area around the access hole, positioning the cover over the hole, and securing it in place to ensure a snug fit and engaged sealing mechanisms. Following the manufacturer’s instructions is crucial for optimal performance and longevity.

Maintenance and Care

Regular maintenance and care are recommended to ensure the longevity and effectiveness of the Cummins 3936189 Access Hole Cover. This includes inspecting for wear or damage, cleaning to remove dirt or debris, and replacing if necessary. Proper maintenance prevents issues such as leaks or reduced effectiveness.

Troubleshooting Common Issues

Common issues with the Cummins 3936189 Access Hole Cover include leaks or damage. If a leak is detected, inspect the cover for wear or damage and ensure it is properly fitted and sealed. Replace the cover if damage is found to maintain the integrity of the engine compartment. Regular inspections and maintenance help identify and address these issues before they lead to more significant problems.

Cummins Overview

Cummins Inc. is a global power leader known for its commitment to quality, innovation, and customer satisfaction. The company designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, emissions solutions, and related technologies. Cummins’ extensive product range and focus on technological advancement make it a trusted partner for commercial truck manufacturers and operators worldwide.

Cummins Access Hole Cover 3936189 Compatibility

The Cummins Access Hole Cover part number 3936189 is designed to fit seamlessly with various Cummins engines, ensuring efficient and secure maintenance and inspection tasks. This cover provides easy access to critical engine components while maintaining engine integrity and safety.

Engine Compatibility

• 4B3.9: The Access Hole Cover 3936189 is specifically tailored to fit the 4B3.9 engine model, ensuring a snug fit and preventing debris from entering the engine compartment.
• Other Cummins Engines: The 3936189 Access Hole Cover is also compatible with other Cummins engine models due to standardized design and manufacturing processes, ensuring a fit across a range of engine types without modifications.

Installation and Usage

The installation of the Access Hole Cover 3936189 is straightforward, designed for user-friendly application by technicians and mechanics. The cover is typically secured with screws or clips, providing a reliable seal that protects the engine from contaminants. This feature is crucial for maintaining engine efficiency and longevity by preventing dirt, dust, and other particles from entering sensitive engine areas.

Benefits

• Ease of Access: The cover allows for quick and easy access to engine internal components, streamlining maintenance procedures and reducing downtime.
• Protection: By providing a secure seal, the cover helps protect the engine from environmental contaminants, which can cause wear and tear over time.
• Standardization: The compatibility with multiple engine models ensures that technicians can use the same part across different engine types, simplifying inventory management and reducing the need for multiple spare parts.

Role of Part 3936189 Access Hole Cover in Engine Systems

The Cummins 3936189 Access Hole Cover is integral to various engine systems, providing both functional and protective benefits.

In the context of the Cam Follower Cover, the Access Hole Cover seals access points needed for maintenance or inspection, protecting internal components from contaminants such as dirt, debris, and moisture. This protection helps prevent wear and potential failure of cam followers and other moving parts within the cover.

Additionally, the Access Hole Cover aids in maintaining the integrity of the engine’s lubrication system. By sealing off access holes when not in use, it helps prevent oil leaks, ensuring the lubrication system operates efficiently and that oil levels remain consistent. This is particularly important in high-performance engines where precise lubrication is essential for optimal operation and longevity.

Furthermore, the Access Hole Cover contributes to the overall structural integrity of the engine. It helps maintain the pressure within the cam follower cover, which is vital for the proper functioning of the valve train components. Consistent pressure ensures that the cam followers operate smoothly, reducing the risk of mechanical noise and improving the engine’s overall performance.

In summary, the Cummins 3936189 Access Hole Cover is a key element in the maintenance and operational efficiency of engine systems, particularly in conjunction with the cam follower cover. Its role in sealing, protecting, and maintaining pressure within the engine components underscores its importance in ensuring the engine’s reliable and efficient performance.

Conclusion

The Cummins 3936189 Access Hole Cover is a vital component in the maintenance and operation of commercial trucks. Its design and construction ensure durability and effective sealing, protecting engine components from contaminants and contributing to the overall reliability and performance of the truck. Regular maintenance and proper installation are essential to maximize the benefits of this part.