3034668
Hand Hole Cover
Cummins®

The Hand Hole Cover, part number 3034668, is a component manufactured by Cummins, designed specifically for use in commercial trucks. This cover serves a functional role in the operation and maintenance of these vehicles. Cummins, a well-established name in the industry, is known for producing reliable and high-quality truck components. This Cummins part is part of their extensive range of products aimed at enhancing the performance and durability of commercial trucks ².

Purpose of the Hand Hole Cover

The Hand Hole Cover is primarily used to provide access to internal components of the truck for inspection and repair purposes. It is positioned over specific areas of the truck’s engine or chassis, allowing technicians to easily remove it when necessary. This design facilitates regular maintenance checks and repairs, contributing to the overall efficiency and safety of the vehicle ¹.

Key Features

This part is characterized by its robust design and material composition, which ensures durability under various operating conditions. It is engineered for ease of installation, aligning with Cummins’ commitment to user-friendly product design. The cover is specifically designed to be compatible with Cummins engines, ensuring a precise fit and function.

Benefits

Utilizing the Hand Hole Cover offers several advantages. It provides protection to the internal components it covers, shielding them from external elements that could cause damage or wear. Additionally, its design simplifies the maintenance process, allowing for quicker and more efficient inspections and repairs. This contributes to the truck’s overall reliability and longevity.

Installation Process

Installing the Hand Hole Cover requires following a series of steps to ensure proper functionality and safety. The process involves aligning the cover with the designated area on the truck, securing it in place, and verifying that it is correctly installed. Adhering to these procedures is important for the cover to perform its intended function effectively.

Troubleshooting Common Issues

Common issues with Hand Hole Covers can include wear and tear over time, which may affect their sealing efficiency. Regular inspections can help identify these problems early. If wear is detected, it may be necessary to replace the cover to maintain the integrity of the truck’s components and ensure continued protection and access for maintenance.

Maintenance Tips

To prolong the life of the Hand Hole Cover, regular maintenance practices are recommended. This includes periodic inspections for signs of damage or wear, and cleaning the cover to remove any debris or contaminants. Proper maintenance not only extends the life of the cover but also contributes to the overall performance of the truck.

Safety Considerations

When working with Hand Hole Covers, it is important to adhere to safety practices. This includes following manufacturer guidelines for installation and maintenance, and using appropriate personal protective equipment. Safety is a priority in all maintenance and repair activities to protect both the technician and the vehicle.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, with a history of innovation and quality in truck components. The company offers a wide range of products designed to enhance the performance, efficiency, and reliability of commercial vehicles. Cummins’ commitment to quality is evident in their product design and manufacturing processes, making them a trusted name in the industry ².

Compatibility with Cummins Engines

The Hand Hole Cover, part number 3034668, is designed to fit a range of Cummins engines. This cover is essential for providing access to the engine’s interior for maintenance and inspection purposes. Below is a detailed description of its compatibility with specific Cummins engine models.

N14 CELECT and N14 CELECT PLUS Engines

This part is specifically engineered to fit the N14 CELECT and N14 CELECT PLUS engines. These engines are known for their robust design and are commonly used in heavy-duty applications. The cover is designed to align perfectly with the engine’s structure, ensuring a secure fit that allows for easy access while maintaining the engine’s integrity.

N14 MECHANICAL Engine

Similar to the N14 CELECT and N14 CELECT PLUS, the N14 MECHANICAL engine also accommodates the Hand Hole Cover. This engine variant, while lacking the electronic control features of its CELECT counterparts, still benefits from the same high-quality design of the cover. The cover ensures that maintenance personnel can access the engine’s internal components without compromising the engine’s sealing or structural integrity.

NH/NT 855 Engines

The NH/NT 855 engines are another series where the Hand Hole Cover is applicable. These engines are part of Cummins’ lineup of mid-range power units, often used in a variety of industrial and commercial applications. The cover is designed to fit seamlessly with the NH/NT 855’s architecture, providing reliable access for maintenance and inspection tasks.

Role of Part 3034668 in Engine Systems

Part 3034668 plays a role in the assembly and maintenance of engine systems, particularly when integrated with the Oil Fill Arrangement and the Oil Gauge Tube.

When fitting the Hand Hole Cover, it acts as a protective and access panel. It secures the Oil Fill Arrangement, which includes the oil filler cap and the associated tubing, ensuring that the system remains sealed and free from contaminants. This seal is important for maintaining the integrity of the oil system, preventing leaks, and ensuring that the oil level remains consistent.

Additionally, the Hand Hole Cover interfaces with the Oil Gauge Tube. This tube is used to monitor the oil level within the engine. The cover provides a secure mounting point for the gauge tube, ensuring that it remains in the correct position and orientation. This is important for accurate oil level readings, which are essential for the proper functioning and longevity of the engine.

Conclusion

In summary, the Hand Hole Cover (part number 3034668) by Cummins is a versatile component that fits a range of Cummins engines, including the N14 CELECT, N14 CELECT PLUS, N14 MECHANICAL, and NH/NT 855 models. Its design ensures compatibility and ease of use across these engine types, facilitating efficient maintenance and inspection procedures. The correct installation and maintenance of this part are important for the overall performance and reliability of the engine.