115590
Hand Hole Cover
Cummins®

Introduction

The Cummins 115590 Hand Hole Cover is a component designed for use in commercial trucks. It serves a specific function in the maintenance and operation of these vehicles, providing a secure and accessible point for technicians to interact with internal components.

Purpose and Function

The primary role of the Hand Hole Cover is to facilitate access to internal components of the truck for inspection and servicing. By covering the hand hole, it protects sensitive parts from external contaminants while allowing authorized personnel to remove it for necessary maintenance tasks. This design enhances the efficiency of maintenance procedures by providing a designated point of access ¹.

Key Features

The Cummins 115590 Hand Hole Cover is constructed from durable materials, ensuring it can withstand the rigors of commercial truck environments. Its design includes features that enhance functionality and durability, such as a secure fastening mechanism and a shape that aligns precisely with the hand hole opening. These attributes contribute to its effectiveness in protecting internal components and facilitating maintenance access ².

Benefits

Using the Cummins 115590 Hand Hole Cover offers several benefits. It improves accessibility to internal components, which can streamline maintenance procedures. Additionally, it enhances safety during maintenance by providing a secure cover that prevents accidental contact with moving parts. Its durable construction contributes to the overall reliability of the truck, ensuring that the hand hole remains protected and accessible throughout the vehicle’s operational life ³.

Installation Process

Installing the Cummins 115590 Hand Hole Cover involves several steps to ensure a secure and effective fit. First, the area around the hand hole should be cleaned to remove any debris. The cover should then be aligned with the hand hole opening and secured using the provided fastening mechanism. It is important to follow manufacturer guidelines for installation to ensure the cover is properly fitted and functions as intended.

Maintenance and Care

Routine maintenance of the Hand Hole Cover is important to prolong its lifespan and ensure optimal performance. This includes regular cleaning to remove dirt and debris, inspection for signs of wear or damage, and replacement if necessary. Adhering to these maintenance practices can help prevent issues and ensure the cover continues to provide effective protection and access.

Troubleshooting Common Issues

Common issues with Hand Hole Covers may include difficulty in removal or installation, signs of wear, or damage to the cover. Troubleshooting these issues may involve checking the fastening mechanism for proper operation, inspecting the cover for damage, and ensuring it is correctly aligned with the hand hole opening. Preventive measures, such as regular maintenance and careful handling, can help minimize the occurrence of problems.

Safety Considerations

When working with Hand Hole Covers, it is important to observe safety considerations. This includes using proper handling techniques, wearing personal protective equipment (PPE) as recommended, and adhering to manufacturer guidelines for installation and maintenance. These practices help ensure the safety of personnel and the integrity of the vehicle ⁴.

Cummins Overview

Cummins Inc. is a well-regarded manufacturer in the automotive industry, known for its commitment to producing high-quality components for commercial vehicles. With a history of innovation and excellence, Cummins components are designed to meet the demanding requirements of commercial truck fleets, contributing to their reliability and performance.

Compatibility with Cummins Engines

The Cummins Hand Hole Cover, part number 115590, is designed to fit a variety of Cummins engines, ensuring a secure and accessible inspection point for maintenance and repair purposes. This part is integral to the operational integrity of the engines it is compatible with.

G855 Series Engines

The Hand Hole Cover is compatible with the G855 engine series, including the G855 CM558 and GTA855 CM558 (CM2358) G101 variants. These engines are known for their robust design and high performance, often used in heavy-duty applications.

N14 Series Engines

The part also fits the N14 series engines, which include the N14 CELECT, N14 CELECT PLUS, N14 G, and N14 MECHANICAL models. These engines are widely recognized for their reliability and efficiency, making them a popular choice in various industries.

NH/NT 855 Engines

The Hand Hole Cover is also suitable for the NH/NT 855 engines. These engines are designed for durability and are often used in demanding environments.

QSNT14 CM876 N102

Lastly, the part fits the QSNT14 CM876 N102 engine, which is part of the Cummins engine lineup that emphasizes performance and longevity. This engine is engineered to meet the needs of various applications, from construction to transportation.

By ensuring compatibility with these engines, the Cummins Hand Hole Cover, part 115590, provides a reliable solution for maintaining and inspecting these critical components.

Role of Part 115590 Hand Hole Cover in Engine Systems

The Part 115590 Hand Hole Cover is an essential component in the arrangement of various engine systems, facilitating both functionality and accessibility.

In the oil fill system, the hand hole cover provides a secure seal over the opening used to add oil to the engine. This ensures that no contaminants enter the system during operation and that oil levels remain consistent. It is often paired with the oil filler and oil tube bracket to create a streamlined and efficient oil addition process.

For the base parts of the engine, the hand hole cover serves as a protective layer. It shields underlying components from debris and potential damage, maintaining the integrity of the engine’s foundational elements.

In conjunction with the dipstick and tube arrangement, the hand hole cover allows for easy access when checking oil levels. The dipstick arrangement relies on a sealed environment, which the hand hole cover helps to maintain, ensuring accurate oil level readings.

The hand hole cover & fitting is integral to the oil gauge and oil gauge tube systems. It ensures that the gauge can operate within a sealed environment, providing precise measurements of oil pressure and temperature. This is particularly important for the oil pan, where accurate readings help prevent engine damage due to oil starvation or overheating.

Additionally, the hand hole cover interacts with the valve covers. It provides a consistent seal that prevents oil leaks and maintains the pressure within the valve train, ensuring optimal performance and longevity of the valve components.

The O G. Bracket and Tube & Braket systems also benefit from the hand hole cover, as it ensures that all connections remain secure and free from external contaminants. This is vital for the overall reliability and efficiency of the engine.

Conclusion

In summary, the Cummins 115590 Hand Hole Cover plays a significant role in maintaining the functionality and protection of various engine components, ensuring that the engine operates smoothly and efficiently. Its compatibility with a range of Cummins engines, coupled with its durable construction and ease of maintenance, makes it a valuable component in the maintenance and operation of commercial trucks.