3394774
Plain Washer
Cummins®

Introduction

The Cummins 3394774 Plain Washer is a component designed for use in commercial truck operations. It serves a specific function within the mechanical systems of trucks, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and significance can aid in maintaining and optimizing truck performance.

Basic Concepts of Plain Washers

Plain washers are simple yet vital components in mechanical systems. They are typically flat, annular metal rings that distribute load, prevent damage to surfaces, and reduce friction between moving parts. In truck operations, plain washers play a role in ensuring that components are securely fastened and that mechanical stress is evenly distributed ¹.

Purpose of the Cummins 3394774 Plain Washer

The Cummins 3394774 Plain Washer is utilized in various truck components to enhance their functionality. It is often applied in fastening systems where it helps to distribute the load of a bolt or nut, preventing damage to the surfaces it contacts. This washer also plays a role in reducing friction and wear between moving parts, contributing to the longevity and reliability of the truck’s mechanical systems ².

Key Features

The Cummins 3394774 Plain Washer is characterized by its specific material composition and design specifications. It is crafted from high-quality materials to ensure durability and resistance to wear. The design of this washer is tailored to meet the demands of commercial truck operations, featuring precise dimensions and a smooth surface finish to facilitate easy installation and optimal performance ³.

Benefits of Using Cummins 3394774 Plain Washer

Incorporating the Cummins 3394774 Plain Washer into truck maintenance and repair offers several advantages. Its durable construction ensures long-term reliability, while its design contributes to improved performance of the truck’s mechanical systems. The use of this washer can lead to reduced maintenance needs and enhanced overall efficiency of the vehicle.

Installation Guidelines

Proper installation of the Cummins 3394774 Plain Washer is crucial for its effective function. It should be placed under the head of a bolt or nut to ensure even load distribution. Tools required for installation may include a wrench or socket set, depending on the specific application. Following manufacturer guidelines for torque specifications is recommended to ensure correct fitting and optimal performance.

Troubleshooting Common Issues

Common issues with plain washers, such as wear and tear or improper fitting, can affect the performance of truck components. Regular inspection for signs of damage or deformation is advised. If issues are identified, replacing the washer with a new one of the correct specifications can resolve the problem and restore the component’s functionality.

Maintenance Tips

Regular maintenance of the Cummins 3394774 Plain Washer involves periodic inspection for wear or damage. Cleaning the washer and its surrounding components can prevent the buildup of debris that may affect performance. Replacement should be considered if significant wear is observed, or if the washer no longer fits securely in its application.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and commitment to quality, Cummins serves commercial, industrial, and automotive markets. The company’s product range includes a variety of components and systems designed to enhance the performance and reliability of vehicles and equipment.

Compatibility of Plain Washer Part 3394774 with Cummins Engines

The Plain Washer part 3394774, manufactured by Cummins, is designed to be compatible with a variety of Cummins engines. This part is integral in ensuring proper sealing and alignment in engine assemblies. Below is a detailed overview of the engines with which this washer is compatible:

G5.9 and G8.3 Engines

The Plain Washer part 3394774 fits seamlessly with the G5.9 and G8.3 engines. These engines are known for their reliability and efficiency, often used in various industrial applications. The washer’s role in these engines is to maintain the integrity of the engine’s sealing and alignment, ensuring smooth operation and longevity.

G855 and G855 CM558 Engines

For the G855 and G855 CM558 engines, the Plain Washer part 3394774 is a critical component. These engines are part of the Cummins G-Series, which are designed for heavy-duty applications. The washer’s precision fit helps in maintaining the necessary tolerances and preventing leaks, which is crucial for the performance of these robust engines.

GTA38 G CMEICS G116C and GTA855 CM558 (CM2358) G101 Engines

The Plain Washer part 3394774 is also compatible with the GTA38 G CMEICS G116C and GTA855 CM558 (CM2358) G101 engines. These engines are part of the Cummins Advanced Engine Series, known for their advanced technology and high performance. The washer’s design ensures that it fits perfectly within the intricate components of these engines, contributing to their overall efficiency and reliability.

N14 G Engine

Lastly, the Plain Washer part 3394774 is suitable for the N14 G engine. This engine is renowned for its durability and is widely used in various sectors, including construction and transportation. The washer’s precision engineering ensures that it provides the necessary support and sealing, enhancing the engine’s operational efficiency.

By ensuring a proper fit and function, the Plain Washer part 3394774 plays a vital role in the maintenance and performance of these Cummins engines.

Role of Part 3394774 Plain Washer in Engine Systems

The part 3394774 Plain Washer is an essential component in various engine systems, ensuring smooth operation and efficiency. Here’s how it integrates with different engine components:

Accessories

In accessory systems, the Plain Washer is used to maintain proper spacing and alignment between components. This ensures that accessories like alternators and pumps operate without undue friction or wear.

Electric Starting System

Within the electric starting arrangement, the Plain Washer helps in the precise mounting of the starter motor. It ensures that the motor is securely held in place while allowing for necessary movement during operation, preventing damage to the starter and the engine.

Fuel Governor Arrangement

In the fuel governor arrangement, the Plain Washer plays a role in the accurate positioning of the governor components. This ensures that fuel delivery is consistent and that the engine operates within the desired parameters.

Fuel Shut-Off Valve Arrangement

For the fuel shut-off valve arrangement, the Plain Washer is vital in maintaining the correct distance between the valve components. This ensures that the valve can open and close smoothly, preventing leaks and ensuring reliable fuel shut-off when needed.

Ignition System Arrangement

In the ignition system arrangement, the Plain Washer is used to ensure that ignition components are properly spaced. This is important for maintaining the integrity of the spark plug gap and ensuring consistent ignition timing.

Turbocharger

Within the turbocharger system, the Plain Washer is employed to maintain the proper alignment of turbocharger components. This ensures efficient airflow and prevents undue stress on the turbocharger bearings.

Air Cleaner

In the air cleaner arrangement, the Plain Washer helps in securing the air filter housing. This ensures that the air filter is correctly positioned, allowing for optimal airflow and filtration.

Heat Exchanger

For the heat exchanger, the Plain Washer is used to ensure that the components are properly aligned. This is important for maintaining efficient heat transfer and preventing leaks in the system.

Fuel Control Module

In the fuel control module, the Plain Washer ensures that the module components are correctly spaced. This is essential for accurate fuel metering and delivery, contributing to overall engine performance.

Auxiliary Ignition System

Within the auxiliary ignition system, the Plain Washer is used to maintain the proper alignment of ignition components. This ensures reliable spark generation and consistent engine ignition.

Pressure Regulator Valve

For the pressure regulator valve, the Plain Washer ensures that the valve components are correctly positioned. This is important for maintaining consistent fuel or air pressure within the engine system.

Conclusion

The Cummins 3394774 Plain Washer is a critical component in the maintenance and performance of commercial truck engines. Its role in distributing load, preventing surface damage, and reducing friction between moving parts is essential for the longevity and reliability of truck mechanical systems. Proper installation, regular maintenance, and understanding its compatibility with various Cummins engines are key to maximizing the benefits of this Cummins part.