3022590
Captive Washer Cap Screw
Cummins®

Introduction

The Cummins 3022590 Captive Washer Cap Screw is a specialized fastener designed for use in commercial trucks. It secures various components and assemblies within the truck’s structure, ensuring parts remain firmly in place under operational conditions. This screw is valued in the trucking industry for its reliability and efficiency in fastening applications.

Basic Concepts

A Captive Washer Cap Screw integrates a washer directly into its design, ensuring the washer remains in place during installation. This reduces the risk of loss and simplifies the fastening process. The screw threads into a pre-tapped hole, exerting clamping force to hold components together securely. Its role is to provide a stable and durable connection between parts ¹.

Purpose and Role in Truck Operation

In commercial truck operations, the Cummins 3022590 Captive Washer Cap Screw ensures secure fastenings and maintains structural integrity. It is used to attach critical components such as engine mounts, body panels, and chassis parts. This screw ensures these components remain securely in place, even under heavy loads and rough road conditions ².

Key Features

The Cummins 3022590 Captive Washer Cap Screw features an integrated washer, simplifying installation and reducing the likelihood of washer loss. It is made from high-quality materials, ensuring durability and resistance to corrosion. The screw also features a precise thread pitch and torque requirements, contributing to its secure fastening capabilities.

Benefits

The use of the Cummins 3022590 Captive Washer Cap Screw offers several benefits in truck maintenance and repair. Its integrated washer design streamlines the installation process, saving time and reducing the risk of errors. The screw’s high-quality material composition ensures long-lasting durability, minimizing the need for frequent replacements. Its precise specifications contribute to improved efficiency and reliability in fastening applications.

Installation Process

Proper installation of the Cummins 3022590 Captive Washer Cap Screw involves selecting the appropriate size and thread pitch for the application. Use a torque wrench to tighten the screw to the specified torque requirements, ensuring it is securely fastened without over-tightening. Follow best practices, such as using the correct tools and avoiding common pitfalls like cross-threading, to achieve optimal results.

Troubleshooting and Maintenance

To troubleshoot common issues related to the Cummins 3022590 Captive Washer Cap Screw, inspect the screw and surrounding components for signs of wear, corrosion, or damage. If the screw appears loose or damaged, it may need to be replaced. Regular maintenance practices, such as periodic inspection and tightening, can help ensure optimal performance and longevity. Keeping the screw and its surroundings clean and free of debris can prevent issues related to contamination.

Safety Considerations

When working with the Cummins 3022590 Captive Washer Cap Screw, follow safety precautions and guidelines. Use appropriate personal protective equipment, such as gloves and safety glasses, to protect against injury. Handle the screw carefully to avoid damage, and store it in a dry, secure location to prevent corrosion. Dispose of any damaged or unused screws according to local regulations to ensure environmental safety.

Cummins Overview

Cummins Inc. is a renowned manufacturer with a long-standing reputation for producing high-quality automotive components. Founded in 1919, the company is dedicated to providing reliable and efficient solutions for a wide range of applications, including commercial trucks. Their products are known for their durability, performance, and adherence to stringent quality standards.

Cummins Captive Washer Cap Screw 3022590 Compatibility

The Cummins Captive Washer Cap Screw part number 3022590 is designed to fit a variety of Cummins engines. This part is integral in securing various engine components, ensuring they remain tightly fastened and properly aligned during operation. Below is a detailed breakdown of its compatibility with different Cummins engine models:

G-Series Engines

• G8.3
• G855
• G855 CM558
• GTA855 CM558 (CM2358)
• KTA19GC CM558

ISX Engines

• ISX CM570

K-Series Engines

• K19
• K38
• K50

L-Series Engines

• L10 GAS
• L10 MECHANICAL

N-Series Engines

• N14 CELECT
• N14 CELECT PLUS
• N14 G
• N14 MECHANICAL
• QSN14 CM876 N103
• QSNT14 CM876 N102

QSK-Series Engines

• QSK19 CM2350 K105
• QSK19 CM500
• QSK19 CM850 MCRS
• QSK19G
• QST30 CM552

V-Series Engines

• V28
• V903

NH/NT Engines

• NH/NT 855

This comprehensive compatibility ensures that the 3022590 screw is a reliable component across a wide range of Cummins engines.

Role of Part 3022590 Captive Washer Cap Screw in Various Engine Components

The Cummins 3022590 Captive Washer Cap Screw is instrumental in securing and maintaining the integrity of numerous engine components. Its application spans across a variety of systems, ensuring reliable operation and structural stability.

• Actuators: Secures the actuator housing to its mounting bracket.
• Air Compressor Tube Mounting: Secures the tubes to the compressor body.
• Air Compressors: Attaches the compressor to its base.
• Air Crossover Connection Mounting: Secures the crossover pipes.
• Air Inlet Tube Mounting: Attaches the inlet tubes to the engine.
• Air Mounting Connections: Secures the air lines to the engine components.
• Air Supply Tube Mounting: Keeps the supply tubes in place.
• Back Panel Mounting Hood: Secures the hood to the engine frame.
• Cold Starting Aid: Attaches the aid mechanism to the engine.
• Compressor Connection: Secures the compressor to the engine.
• Crankcase Breather Arrangement: Attaches the breather to the engine.
• Drive Accessories: Secures various accessories to the engine.
• EBM (Electric Blower Motor) Pump: Attaches the pump to the engine.
• Lube Oil Systems: Secures the oil lines and components.
• Fuel Bypass Hose: Secures the fuel system components.
• Gear Housing and Push Rod Cover: Ensures these components are tightly fastened.
• Governor Linkage: Attaches the linkage to the engine.
• Hydraulic Pump Drive: Secures the pump to the engine.
• Instrument Panel: Attaches the panel to the engine compartment.
• Oil Pan: Secures the pan to the engine.
• Oil Pump: Attaches the pump to the engine.
• Remote Mounting Governor: Secures the governor to the engine.
• Short Assembly Block: Attaches the block to the engine.
• Solenoid Valves: Secures the valve to the engine.
• Turbocharger Location: Attaches the turbocharger to the engine.
• Upfit Kits: Secures various aftermarket components to the engine.

Conclusion

The Cummins 3022590 Captive Washer Cap Screw is a critical component in the maintenance and operation of commercial trucks. Its design, featuring an integrated washer and high-quality materials, ensures reliable and durable fastening solutions. Proper installation, regular maintenance, and adherence to safety guidelines are essential for optimal performance and longevity of this part.