3911936
Plain Hose
Cummins®

Introduction

The 3911936 Plain Hose, a component manufactured by Cummins, is designed for use in commercial trucks. It plays a role in various fluid systems, contributing to the efficiency and reliability of truck operations. Understanding its function and integration within these systems is essential for maintaining optimal performance.

Basic Concepts of Plain Hoses

Plain hoses are flexible tubing used in fluid systems to transport liquids or gases. They are characterized by their simple design, lacking reinforcements found in other hoses. Plain hoses are used in applications with moderate pressure and temperature conditions, where flexibility and ease of installation are prioritized ¹.

Purpose of the 3911936 Plain Hose in Truck Operation

In commercial trucks, the 3911936 Plain Hose serves as a conduit for various fluids, including coolant, fuel, or air. It provides a flexible connection between rigid components, accommodating movement and vibration without compromising the fluid pathway’s integrity.

Key Features of the 3911936 Plain Hose

This Cummins part is engineered with specific design and construction features to meet the demands of its application. It is made from materials that offer a balance of flexibility and durability, ensuring it can withstand the operational conditions within a commercial truck. The hose’s construction allows it to bend and twist without kinking, which is crucial for navigating the complex routing required in truck systems.

Benefits of Using the 3911936 Plain Hose

Utilizing this part in truck systems offers several advantages. Its resistance to wear and tear contributes to a longer service life, reducing the frequency of replacements. The hose’s design also facilitates ease of installation, which can lead to reduced downtime during maintenance procedures. Additionally, its flexibility helps accommodate the dynamic environment of a commercial truck, enhancing overall system reliability.

Installation and Integration

Proper installation of the 3911936 Plain Hose is vital to ensure it functions correctly within a truck’s system. Installation guidelines typically include securing the hose with appropriate clamps, ensuring a snug fit without over-tightening, which could damage the hose. It is also important to route the hose away from sharp edges and high-temperature areas to prevent abrasion and heat damage.

Troubleshooting Common Issues

Common issues with plain hoses, such as leaks or degradation, can often be traced back to installation errors or environmental factors. Troubleshooting steps may involve inspecting the hose for signs of wear, checking clamp tightness, and ensuring the hose is not exposed to excessive heat or abrasion. Addressing these issues promptly can prevent more significant problems down the line.

Maintenance Tips

Regular maintenance of the 3911936 Plain Hose is recommended to ensure its longevity and reliable performance. This includes periodic inspections for signs of wear, such as cracks or softening of the material, and checking the condition of clamps and connections. Adhering to manufacturer-recommended inspection intervals can help identify potential issues before they lead to hose failure.

Cummins: A Brief Overview

Cummins is a renowned manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a rich history of producing reliable components, Cummins has established a reputation for excellence. Their focus on advancing technology and meeting the needs of their customers underscores their position as a leader in the field of automotive components.

Compatibility of Cummins Part 3911936 with Various Engine Models

The Cummins part 3911936, a Plain Hose, is designed to fit seamlessly with a range of Cummins engine models. This part is engineered to ensure compatibility and reliability across different engine configurations, providing a crucial connection in the engine’s system.

Grouping of Compatible Engines

Group 1:

• 4B3.9
• 6B5.9
• 6C8.3

These engines share similar design elements, allowing the Plain Hose to fit effectively within their systems. The part’s design accommodates the specific requirements of these engines, ensuring optimal performance and longevity.

Group 2:

• C GAS PLUS CM556
• ISC CM554

These engines, while differing in some specifications, are designed to work with the Plain Hose due to their shared engineering principles. The part’s flexibility and precision make it suitable for these models, ensuring a secure and efficient fit.

Group 3:

• C8.3 G
• L GAS PLUS CM556
• L8.9

This group of engines, with their unique characteristics, also benefits from the Plain Hose. The part’s adaptability ensures it can be integrated into these engines without compromising on performance or durability.

Each of these engines relies on the Plain Hose to maintain the integrity of their systems, ensuring smooth operation and reliability. The part’s design is a testament to Cummins’ commitment to quality and compatibility across their engine range.

Role of Part 3911936 Plain Hose in Engine Systems

The 3911936 Plain Hose is integral to the efficient operation of various engine systems, facilitating the seamless transfer of fluids and gases. Its application spans across several key components, ensuring optimal performance and reliability.

Compressor Air Inlet System

In the compressor air inlet system, the 3911936 Plain Hose serves as a vital connection between the compressor and the air inlet. This hose ensures a secure and leak-free passage for compressed air, which is essential for the compressor’s efficiency. The hose’s durability and flexibility allow it to withstand the pressures and vibrations inherent in this system, maintaining a consistent airflow.

Aftercooler Water System

Within the aftercooler water system, the 3911936 Plain Hose plays a significant role in the cooling process. It connects the aftercooler to the water supply, allowing for the efficient circulation of cooling water. This helps in reducing the temperature of the compressed air, enhancing the overall performance and longevity of the compressor.

Plumbing and Retrofit Kits

In plumbing applications and retrofit kits, the 3911936 Plain Hose is used to create or modify fluid pathways. Its versatility makes it suitable for various arrangements, whether it’s for upgrading existing systems or installing new ones. The hose’s compatibility with different fittings and connectors ensures a versatile solution for diverse engineering needs.

General Plumbing Applications

For general plumbing within engine systems, the 3911936 Plain Hose provides a reliable medium for fluid transfer. Whether it’s for lubricants, coolants, or other fluids, this hose ensures that the fluids reach their destination without contamination or loss. Its robust construction handles the varying pressures and temperatures encountered in these applications.

Connection and Arrangement

The 3911936 Plain Hose is often utilized in creating connections and arrangements within complex engine systems. Its flexibility allows for easy routing around obstacles and tight spaces, ensuring that all components are properly linked. This is particularly important in retrofit scenarios where existing infrastructure must be adapted to new requirements.

Conclusion

The 3911936 Plain Hose is a fundamental component in various engine systems, providing essential connectivity and fluid transfer capabilities. Its reliable performance across different applications underscores its importance in maintaining the efficiency and functionality of engine operations.