4924764
Accessory Drive Support
Cummins®

Introduction

The Cummins 4924764 Accessory Drive Support is a component designed to enhance the operation of commercial trucks. It plays a role in supporting various accessories driven by the engine, ensuring they function efficiently and reliably. This part is integral to maintaining the overall performance and longevity of the truck’s engine system ¹.

Basic Concepts of Accessory Drive Support

An Accessory Drive Support serves as a mounting point for various engine accessories, such as alternators, air conditioning compressors, and power steering pumps. It facilitates the transfer of power from the engine to these accessories through belts or chains. This support ensures that accessories are securely positioned and operate within the correct parameters, contributing to the smooth and efficient running of the engine system ².

Purpose of the Cummins 4924764 Accessory Drive Support

The Cummins 4924764 Accessory Drive Support is designed to provide a stable and durable platform for mounting engine accessories. It contributes to engine efficiency by ensuring that accessories are properly aligned and supported, reducing wear and tear on both the accessories and the engine. This support enhances the overall performance and reliability of the truck, allowing for consistent operation under various conditions ³.

Key Features

The Cummins 4924764 Accessory Drive Support is constructed from high-quality materials, ensuring durability and resistance to wear. Its design includes precise mounting points and alignment features to secure accessories effectively. Additionally, it incorporates vibration dampening elements to reduce noise and enhance the stability of mounted accessories.

Benefits

The Cummins 4924764 Accessory Drive Support offers several benefits, including improved engine performance through secure and stable accessory mounting. Its durable construction contributes to the longevity of the engine system, while its design elements help reduce maintenance needs and enhance reliability. The support also plays a role in minimizing vibrations, which can lead to increased comfort and reduced stress on engine components.

Installation Process

Installing the Cummins 4924764 Accessory Drive Support involves several steps. First, ensure the engine is cool and the accessories are disconnected. Then, remove the old support if present, and clean the mounting area. Position the new support according to the manufacturer’s instructions, securing it with the provided fasteners. Reconnect the accessories, ensuring they are properly aligned and tensioned. Finally, perform a test run to confirm everything is functioning correctly.

Troubleshooting Common Issues

Common issues with the Accessory Drive Support may include misalignment of accessories, excessive vibration, or wear on the mounting points. To address these, first, check the alignment of the support and accessories, making adjustments as necessary. Inspect for signs of wear or damage, replacing any worn components. Ensure all fasteners are tight and secure to minimize vibration. Regular inspections can help identify and resolve issues before they lead to more significant problems.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 4924764 Accessory Drive Support, regular maintenance is recommended. This includes inspecting the support and mounted accessories for signs of wear or damage, ensuring all fasteners are tight, and checking the alignment of accessories. Additionally, keeping the engine bay clean and free of debris can help prevent issues related to contamination or obstruction.

Compatibility and Applications

The Cummins 4924764 Accessory Drive Support is designed for use with specific types of trucks and engine models. Ensuring compatibility is important for optimal performance and reliability. Detailed information on compatible trucks and engine models will be provided separately.

Cummins 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 has established itself as a trusted name in the commercial truck industry. The company’s focus on developing reliable and efficient engine components underscores its dedication to enhancing the performance and durability of commercial vehicles.

Accessory Drive Support (Part 4924764) Compatibility with Cummins Engines

The Accessory Drive Support part number 4924764, manufactured by Cummins, is designed to fit a range of Cummins engines. This part is crucial for maintaining the alignment and functionality of the engine’s accessory drive system, which includes components such as the alternator, water pump, and air conditioning compressor.

QSK38 Series

• QSK38 CM2150 MCRS
• QSK38 CM850 MCRS

The Accessory Drive Support part 4924764 is compatible with the QSK38 series engines, specifically the CM2150 and CM850 models. These engines are part of the MCRS (Modular Common Rail System) family, which is known for its reliability and efficiency in various industrial applications.

QSK50 Series

• QSK50 CM2150 K107
• QSK50 CM2150 MCRS
• QSK50 CM2350 K108

For the QSK50 series, the Accessory Drive Support part 4924764 fits the CM2150 and CM2350 models. These engines are also part of the MCRS family, with the CM2150 K107 and CM2150 MCRS models sharing the same support structure. The CM2350 K108 model, while slightly different in specifications, also utilizes the same Accessory Drive Support for its accessory drive system.

This compatibility ensures that the Accessory Drive Support part 4924764 can be used across multiple engine models within the QSK38 and QSK50 series, providing a standardized solution for maintaining the accessory drive system’s integrity.

Role of Accessory Drive Support in Engine Systems

The Accessory Drive Support, identified by part number 4924764, is integral to the efficient operation of various engine components. This component serves as a foundational structure that facilitates the connection and operation of accessories driven by the engine.

Integration with the Drive System

In engine systems, the Accessory Drive Support is strategically positioned to interface with the drive mechanism. It provides a stable mounting point for accessories that are belt-driven by the crankshaft. This support ensures that accessories maintain proper alignment and tension, which is essential for their reliable operation. The drive system relies on this support to transfer rotational force from the engine to components such as the alternator, air conditioning compressor, and power steering pump.

Function in Fuel Pump Operation

While the Accessory Drive Support itself does not directly interact with the fuel pump, its role in maintaining the integrity of the drive system indirectly supports fuel pump efficiency. A well-maintained drive system ensures that all accessories, including those that may influence fuel delivery (such as the fuel pump controller if belt-driven), operate smoothly. This, in turn, contributes to consistent fuel pressure and delivery, which are vital for engine performance.

Conclusion

In summary, the Accessory Drive Support plays a significant role in the cohesive operation of engine accessories by providing a robust framework for their attachment and function. This support is essential for the seamless integration and performance of components within the engine system. Regular maintenance and proper installation of this Cummins part ensure optimal performance and reliability of the truck’s engine system.