4970799
Accessory Drive Support
Cummins®

The Accessory Drive Support 4970799 by Cummins is a component designed to enhance the operation of commercial trucks. This part is integral to the accessory drive system, ensuring that various engine-driven components function efficiently. Its role in maintaining the performance and reliability of the truck’s engine system underscores its significance in commercial trucking operations.

Basic Concepts of Accessory Drive Support

An Accessory Drive Support serves as a mounting structure within the engine system, facilitating the operation of accessories such as alternators, water pumps, and air conditioning compressors. It interacts with the engine’s crankshaft through belts or chains, transferring power to these accessories. The support ensures that these components are securely positioned and operate within the correct parameters, contributing to the overall efficiency and reliability of the engine system ¹.

Purpose of the 4970799 Accessory Drive Support

The 4970799 Accessory Drive Support plays a role in the operation of a truck by providing a stable platform for the attachment of various engine accessories. It contributes to engine performance and efficiency by ensuring that accessories are properly aligned and securely mounted. This support helps maintain the balance and integrity of the accessory drive system, which is vital for the smooth operation of the truck ².

Key Features

The 4970799 Accessory Drive Support is characterized by several key features. It is constructed from durable materials to withstand the rigors of commercial truck operation. Its design includes precise mounting points and alignment features to ensure accessories are correctly positioned. Additionally, it may incorporate unique characteristics such as vibration dampening elements to reduce noise and wear on the accessory drive system ³.

Benefits

The 4970799 Accessory Drive Support offers several benefits. It enhances engine reliability by providing a stable and secure mounting solution for accessories. This stability contributes to improved performance, as accessories can operate more efficiently when properly aligned and supported. Fleet operators may also experience potential cost savings due to reduced maintenance needs and extended accessory lifespan.

Installation Process

Installing the 4970799 Accessory Drive Support involves several steps. First, ensure the engine is cool and the accessory drive system is disconnected. The old support, if present, should be removed. The new support is then positioned according to the manufacturer’s specifications, ensuring all mounting points are aligned. Secure the support in place using the appropriate fasteners, and reconnect the accessory drive system. Finally, perform a system check to ensure all accessories are functioning correctly.

Common Issues and Troubleshooting

Common issues with the 4970799 Accessory Drive Support may include misalignment of accessories, which can lead to inefficient operation or increased wear. Troubleshooting involves checking the alignment of the support and ensuring all fasteners are secure. If accessories are not operating correctly, it may be necessary to adjust the support or replace damaged components. Regular inspections can help identify potential issues before they become significant problems.

Maintenance Tips

To ensure the longevity and optimal performance of the 4970799 Accessory Drive Support, regular maintenance is recommended. This includes inspecting the support for signs of wear or damage, ensuring all fasteners are tight, and checking the alignment of accessories. Cleaning the support and surrounding areas can also help prevent buildup that may affect performance. Following these maintenance tips can help maintain the efficiency of the accessory drive system.

Compatibility and Applications

The 4970799 Accessory Drive Support is designed for use in specific types of trucks and engines. It is commonly applied in commercial trucking applications where reliability and efficiency are paramount. Ensuring compatibility with the truck’s engine and accessory drive system is crucial for optimal performance.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to innovation and quality. With a history of developing reliable and efficient engine components, Cummins has established a reputation for excellence. The company’s dedication to advancing technology and meeting the needs of its customers underscores its position as a trusted provider in the industry.

Accessory Drive Support (Part 4970799) Compatibility with Cummins Engines

The Accessory Drive Support, identified by part number 4970799, is a critical component in the engine systems of Cummins engines. This part is designed to ensure the proper alignment and operation of the engine’s accessory drive system, which includes components such as the alternator, water pump, and air conditioning compressor.

Compatibility with Specific Cummins Engines

QSK19 CM2350 K105 and QSK19 CM2350 K114

The Accessory Drive Support part 4970799 is compatible with the QSK19 CM2350 K105 and QSK19 CM2350 K114 engines. These engines are part of the Cummins QSK19 series, known for their robust performance and reliability in various industrial applications. The part ensures that the accessory drive system operates smoothly, maintaining the necessary tension and alignment of the drive belt, which is crucial for the efficient functioning of the engine’s accessories.

QSK19 CM850 MCRS

The Accessory Drive Support part 4970799 is also compatible with the QSK19 CM850 MCRS engine. This engine is another variant in the Cummins QSK19 series, designed for applications requiring high power and reliability. The part’s role in this engine is to support the accessory drive system, ensuring that all connected components receive the necessary power and operate without issues.

By ensuring the proper alignment and tension of the accessory drive system, the Accessory Drive Support part 4970799 contributes to the overall efficiency and longevity of these Cummins engines. Its compatibility with the specified models underscores its importance in maintaining the performance and reliability of the engine’s accessory components.

Role of Accessory Drive Support in Engine Systems

The Accessory Drive Support, identified by part number 4970799, is integral to the efficient operation of various engine components. This support structure facilitates the mounting and alignment of accessories driven by the engine’s crankshaft.

Drive System Integration

In the drive system, the Accessory Drive Support ensures that components such as the alternator, air conditioning compressor, and power steering pump are properly positioned and secured. This alignment is essential for the smooth transfer of power from the crankshaft via belts or chains. The support structure minimizes vibrations and ensures that the driven accessories operate within their specified parameters, contributing to the overall reliability and performance of the drive system.

Fuel Pump System Interaction

While the Accessory Drive Support does not directly interact with the fuel pump, its role in maintaining the stability and alignment of the drive system indirectly supports the fuel pump’s operation. A well-aligned drive system ensures that the engine runs smoothly, which is vital for consistent fuel delivery. The stability provided by the Accessory Drive Support helps in maintaining the engine’s RPM within the optimal range, thereby supporting the fuel pump’s efficiency in delivering the correct fuel-air mixture to the combustion chambers.

Conclusion

The 4970799 Accessory Drive Support by Cummins is a vital component in the accessory drive system of commercial trucks. Its role in ensuring the proper alignment and operation of engine accessories contributes to the overall efficiency and reliability of the engine system. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part, ensuring that commercial trucks operate at peak performance.