4017405
Belt Tensioner Bracket
Cummins®

Introduction

The Belt Tensioner Bracket 4017405 is a component designed by Cummins to ensure the proper functioning of belts within the engine system of commercial trucks. This part plays a role in maintaining the efficiency and reliability of the truck’s engine by ensuring that belts remain properly tensioned ¹. Proper belt tension is vital for the operation of various engine accessories, such as the alternator, water pump, and air conditioning compressor.

Basic Concepts of Belt Tensioner Brackets

A Belt Tensioner Bracket is a mechanical device that holds the belt tensioner in place and allows it to move as needed to maintain the correct tension on the engine’s drive belts. It functions by providing a pivot point for the tensioner, which applies the necessary force to keep the belts tight. This ensures that the belts do not slip or become loose, which could lead to decreased performance and potential damage to the engine components ².

Purpose of the 4017405 Belt Tensioner Bracket

The 4017405 Belt Tensioner Bracket is integral to the operation of a truck’s engine accessory drive system. It supports the belt tensioner, which in turn keeps the drive belts at the optimal tension. This ensures that accessories driven by the belts operate efficiently and reliably. The bracket’s design allows for smooth movement of the tensioner, accommodating the natural expansion and contraction of the belts as the engine operates.

Key Features

The 4017405 Belt Tensioner Bracket is engineered with several key features that enhance its performance and durability. It is constructed from high-strength materials to withstand the rigors of heavy-duty truck operation. The design includes precise mounting points to ensure a secure fit and optimal alignment with the tensioner and belts. Additionally, the bracket may incorporate features such as corrosion-resistant coatings to extend its service life in harsh environments.

Benefits

Using the 4017405 Belt Tensioner Bracket offers several benefits. It contributes to improved engine performance by ensuring that belts remain properly tensioned, which enhances the efficiency of driven accessories. Reduced wear on belts is another advantage, as proper tension minimizes slippage and friction. Furthermore, the bracket’s robust construction and design contribute to enhanced reliability, helping to prevent unexpected downtime due to belt-related issues.

Installation Process

Installing the 4017405 Belt Tensioner Bracket requires careful attention to detail to ensure a secure and proper fit. The process involves removing the old bracket, if present, and positioning the new bracket in its place. Tools such as wrenches and sockets may be required to loosen and tighten fasteners. It is important to follow the manufacturer’s instructions for torque specifications to avoid over-tightening, which could damage the bracket or surrounding components. Ensuring that the bracket is aligned correctly with the tensioner and belts is crucial for optimal performance.

Troubleshooting Common Issues

Common issues with the 4017405 Belt Tensioner Bracket may include belt slippage or unusual noise from the tensioner area. Belt slippage can often be addressed by adjusting the tensioner to increase belt tension. If noise is present, it may indicate a problem with the tensioner itself or the bracket’s mounting. Inspecting the bracket for signs of wear or damage and ensuring that it is securely mounted can help resolve these issues. In some cases, replacing the tensioner or bracket may be necessary.

Maintenance Tips

Regular maintenance of the 4017405 Belt Tensioner Bracket is important for ensuring optimal performance and longevity. This includes periodic inspection of the bracket and tensioner for signs of wear, corrosion, or damage. Belts should be checked for proper tension and condition, with adjustments or replacements made as needed. Following the manufacturer’s recommended maintenance intervals for inspection and replacement can help prevent unexpected failures and extend the service life of the bracket and associated components.

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 has established a reputation for quality, reliability, and customer satisfaction in the commercial truck industry. The company offers a wide range of products and services designed to meet the needs of customers in various industries, including transportation, construction, agriculture, and power generation.

Conclusion

The Belt Tensioner Bracket 4017405 by Cummins is a vital component in the engine systems of commercial trucks, ensuring the proper tension and alignment of drive belts. Its robust design and construction contribute to the efficient and reliable operation of engine accessories, enhancing overall engine performance and longevity. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.