3063779
Threaded Plug
Cummins®

Introduction

The Threaded Plug 3063779 by Cummins is a specialized component designed for use in commercial truck operations. This plug serves multiple functions within truck systems, primarily focusing on sealing, pressure management, and maintaining system integrity. Understanding its purpose and role is vital for ensuring optimal performance and reliability in heavy-duty applications.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical devices used to seal openings in various systems, including automotive and industrial applications. They consist of a cylindrical body with an internal or external thread that allows them to be screwed into place. The primary function of a threaded plug is to prevent the escape of fluids or gases, thereby maintaining system pressure and integrity. These plugs are commonly used in engines, hydraulic systems, and fuel lines to ensure that systems operate efficiently and safely ¹.

Purpose and Function of Threaded Plug 3063779

The Threaded Plug 3063779 by Cummins is specifically engineered to address the demanding requirements of commercial truck systems. It plays a role in sealing openings within the engine or other critical systems, preventing leaks that could lead to performance issues or safety hazards. Additionally, it helps in managing system pressure by ensuring that fluids or gases remain contained within their designated pathways. This plug contributes to the overall integrity of the system by providing a reliable sealing solution that withstands the rigors of heavy-duty use ².

Key Features

The Threaded Plug 3063779 is designed with several key features that enhance its performance and durability. It is constructed from high-quality materials that offer resistance to corrosion and wear, ensuring long-lasting use in harsh environments. The plug features a precise thread type that allows for a secure fit, reducing the risk of loosening over time. Its design specifications are tailored to meet the specific requirements of commercial truck applications, providing both functionality and reliability ³.

Benefits

Using the Threaded Plug 3063779 offers several advantages. It contributes to improved system reliability by providing a robust sealing solution that prevents leaks and maintains pressure. The plug is designed for ease of installation, allowing for quick and efficient replacement when needed. Additionally, its durable construction leads to long-term cost savings by reducing the frequency of replacements and maintenance interventions ⁴.

Troubleshooting and Maintenance

Common issues associated with threaded plugs include leaks due to wear or improper installation. To address these problems, it is important to perform regular inspections and ensure that the plug is correctly installed. Diagnostic steps may involve checking for signs of wear or corrosion and verifying that the threads are intact. Maintenance practices should include cleaning the plug and its surrounding area to prevent debris from interfering with its function. Proper torque specifications should be followed during installation to ensure a secure fit ⁵.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins is committed to quality and innovation in the automotive and engine manufacturing industry. The company offers a wide range of products designed to meet the needs of various applications, from commercial trucks to industrial equipment, ensuring reliable performance and efficiency.

Compatibility with Cummins Engines

The Threaded Plug 3063779, manufactured by Cummins, is designed to fit a variety of Cummins engines. Below is a detailed description of its compatibility with different Cummins engines:

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISX CM570
• ISX CM870
• ISX CM871
• QSNT14 CM876 N102

ISX15 Series Engines

• ISX15 CM2250
• ISX15 CM2250 SN
• ISX15 CM2350 X101
• QSX15 CM2250
• QSX15 CM2250 ECF

L10 Series Engines

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

N14 Series Engines

• N14 CELECT
• N14 CELECT PLUS
• N14 MECHANICAL

NH/NT 855

QSM11 Series Engines

• QSM11 CM570
• QSM11 CM876

Understanding the Role of Threaded Plug 3063779 in Engine Systems

The Threaded Plug 3063779 is integral to the operation and maintenance of various engine systems. Its application spans across multiple components, ensuring the integrity and efficiency of the engine’s functionality.

Flywheel Housing and Flywheel Mounting Housing

In the flywheel housing and flywheel mounting housing, the threaded plug serves as a sealing component. It prevents the ingress of contaminants and the egress of lubricants, maintaining the clean and lubricated environment necessary for the smooth operation of the flywheel. This is particularly important in high-stress environments where the flywheel’s performance directly impacts the engine’s efficiency and longevity.

General Housing Components

Across various housing components within the engine, the threaded plug is utilized to seal openings where shafts, sensors, or other components penetrate the housing. This sealing is vital for protecting the internal components from dust, moisture, and other environmental factors that could lead to corrosion or mechanical failure.

Flywheel and Package Integration

When integrating the flywheel into the engine package, the threaded plug plays a role in securing and sealing connections. It ensures that the flywheel is properly mounted and that any potential leakage points are effectively sealed. This is essential for maintaining the balance and alignment of the flywheel, which are critical for the engine’s performance.

Product Installation and Plumbing

During the product installation phase, especially in engines with complex plumbing systems, the threaded plug is used to cap off unused ports or to temporarily seal sections of the engine during assembly or maintenance. This application is particularly useful in modular engine designs where components may be added or removed based on the specific requirements of the engine package.

Repeated Use in Flywheel Housing

The flywheel housing often requires multiple threaded plugs to ensure comprehensive sealing around the flywheel and its associated components. This repeated use underscores the versatility and reliability of this Cummins part in maintaining the engine’s operational integrity.

Conclusion

The Threaded Plug 3063779 is a versatile component that enhances the functionality and reliability of engine systems by providing essential sealing in various critical areas. Its application in flywheel housing, flywheel mounting housing, general housing components, and during product installation highlights its importance in maintaining the engine’s performance and longevity.