4969499
Hexagon Head Cap Screw
Cummins®

Introduction

The Cummins 4969499 Hexagon Head Cap Screw is a specialized fastener designed for use in commercial trucks. This screw is integral to the assembly and maintenance of various components within these vehicles, ensuring secure and reliable connections.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. The design of these screws includes a threaded shaft that engages with internal threads in the material being fastened, providing a strong and stable connection. Hexagon Head Cap Screws are commonly used in applications requiring high torque and secure fastening ¹.

Purpose of the Cummins 4969499 Hexagon Head Cap Screw

The Cummins 4969499 Hexagon Head Cap Screw plays a role in the operation and maintenance of commercial trucks by securing critical components. It is used in applications where durability and reliability are paramount, such as in engine assemblies, chassis components, and other high-stress areas. The screw ensures that parts remain firmly attached, contributing to the overall safety and performance of the vehicle ².

Key Features

The Cummins 4969499 Hexagon Head Cap Screw features several key attributes that enhance its functionality:

• Material Composition: Typically made from high-strength steel or alloy, ensuring durability and resistance to wear.
• Thread Type: Equipped with a coarse or fine thread, depending on the application, to provide optimal grip and stability.
• Head Design: The hexagonal head allows for easy and efficient tightening using standard tools, reducing the risk of stripping or rounding.

Benefits

The Cummins 4969499 Hexagon Head Cap Screw offers several advantages:

• Durability: The high-strength material ensures long-lasting performance even under demanding conditions.
• Corrosion Resistance: Coated or treated to resist corrosion, enhancing its suitability for use in various environments.
• Ease of Use: The hexagonal head design allows for straightforward installation and removal, improving efficiency during maintenance procedures.

Installation Guidelines

To ensure optimal performance and longevity, follow these installation guidelines for the Cummins 4969499 Hexagon Head Cap Screw:

1. Prepare the Surface: Ensure the mating surfaces are clean and free of debris to promote a secure connection.
2. Align the Screw: Position the screw in the designated hole, ensuring it is properly aligned with the internal threads.
3. Tighten Gradually: Use a wrench or socket to tighten the screw gradually, applying even pressure to avoid cross-threading.
4. Torque Settings: Adhere to the recommended torque settings to achieve the correct tension without over-tightening ³.

Maintenance Tips

Regular maintenance of the Cummins 4969499 Hexagon Head Cap Screw is vital for prolonged performance:

• Inspect Regularly: Check for signs of wear, corrosion, or loosening during routine inspections.
• Torque Checks: Periodically verify the torque settings to ensure the screw remains securely fastened.
• Replacement Intervals: Replace the screw if it shows significant wear or damage, or as per the manufacturer’s maintenance schedule.

Troubleshooting Common Issues

Common problems associated with Hexagon Head Cap Screws include:

• Loosening: Ensure proper torque settings and check for vibrations or movement that may cause loosening.
• Corrosion: Apply a corrosion-resistant coating or replace the screw if corrosion is detected.
• Stripping: Use the correct tools and avoid over-tightening to prevent stripping of the head or threads.

Cummins Overview

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, innovation, and customer satisfaction. The company’s extensive product range includes engines, powertrains, and related components for various industries, including commercial trucking, where reliability and performance are critical.

Cummins Engine Compatibility with Part 4969499

The Hexagon Head Cap Screw, part number 4969499, manufactured by Cummins, is a critical component in the assembly and maintenance of several Cummins engine models. This screw is designed to provide robust fastening capabilities, ensuring secure connections in various engine applications.

QSK50 CM2150 K107 and QSK50 CM2150 MCRS

In the QSK50 CM2150 K107 and QSK50 CM2150 MCRS engines, the 4969499 screw is utilized in several key areas. It is commonly employed in the engine’s mounting system, securing the engine to the chassis or foundation. Additionally, this screw is integral in the assembly of engine components, ensuring that parts remain tightly fastened under operational stresses. The precision and strength of the 4969499 screw contribute to the overall reliability and longevity of these engines.

QSK60 CM850 MCRS

The QSK60 CM850 MCRS engine also benefits from the use of the 4969499 Hexagon Head Cap Screw. In this engine, the screw is used in similar applications as in the QSK50 models, including engine mounting and component assembly. Given the higher power output and operational demands of the QSK60 engine, the reliability of the 4969499 screw is crucial in maintaining the structural integrity and performance of the engine under demanding conditions.

The consistent use of the 4969499 screw across these engine models underscores its importance in ensuring the secure and reliable operation of Cummins engines.

Role of Part 4969499 Hexagon Head Cap Screw in Engine Systems

In the context of engine systems, the 4969499 Hexagon Head Cap Screw is instrumental in ensuring the integrity and functionality of various components.

Connection Points

The screw is often utilized at connection points where secure fastening is required. It provides a robust hold that resists vibration and loosening, which is essential for maintaining the alignment and operational efficiency of connected parts.

Raw Water Inlet

At the raw water inlet, the 4969499 Hexagon Head Cap Screw plays a significant role in securing the inlet housing to the engine block or manifold. This ensures a watertight seal, preventing leaks that could lead to engine overheating or damage.

Pump Assemblies

Within pump assemblies, this screw is used to fasten components such as impellers, housings, and brackets. Its hexagonal head allows for precise torque application, ensuring that the pump operates efficiently without component misalignment or failure.

Raw Water System

In the raw water system, the 4969499 Hexagon Head Cap Screw is employed to secure various fittings and connections. This includes hose barbs, elbows, and tees, which are vital for directing the flow of raw water through the cooling system. Proper securing of these components is essential for maintaining system pressure and preventing leaks.

Conclusion

Overall, the Cummins 4969499 Hexagon Head Cap Screw is a fundamental component in the assembly and maintenance of engine systems, providing the necessary stability and security for optimal performance.