4067945
Starting Motor Brace
Cummins®

Introduction

The Cummins 4067945 Starting Motor Brace is a component designed to support the starting motor in commercial trucks. Its role is to provide structural support and stability to the starting motor during operation, which is vital for the reliable starting of the engine. This part is integral to the starting system, ensuring that the motor functions correctly under various operational conditions.

Purpose and Function

The Starting Motor Brace serves to reinforce the starting motor, particularly during the engine start-up phase when the motor experiences significant mechanical stress. By providing a stable mounting point, the brace helps to distribute the forces exerted by the starting motor more evenly, reducing the risk of damage to both the motor and the surrounding components. This support is crucial for maintaining the integrity of the starting system and ensuring consistent performance ¹.

Key Features

The Cummins 4067945 Starting Motor Brace is characterized by several key features that enhance its functionality and durability. It is constructed from high-strength materials, ensuring it can withstand the rigors of commercial truck operation. The design incorporates precise mounting points that align perfectly with the starting motor and engine block, facilitating a secure and stable installation. Additionally, the brace is engineered to accommodate various starting motor configurations, providing versatility across different truck models ².

Benefits

The use of the Cummins 4067945 Starting Motor Brace offers several advantages. Its robust construction contributes to enhanced durability, allowing it to perform reliably in demanding conditions. The brace also improves the overall performance of the starting system by ensuring the starting motor operates within optimal parameters. Furthermore, its design helps to reduce wear and tear on the starting motor, leading to increased reliability and potentially extending the lifespan of the motor itself ³.

Installation Process

Installing the Cummins 4067945 Starting Motor Brace requires careful attention to detail to ensure a secure fit. The process involves aligning the brace with the designated mounting points on the engine block and starting motor. Using the appropriate tools, the brace is then fastened in place, ensuring all bolts are tightened to the manufacturer’s specified torque settings. It is important to verify that the brace is level and securely attached to prevent any movement during operation, which could lead to inefficiencies or damage.

Common Issues and Troubleshooting

While the Cummins 4067945 Starting Motor Brace is designed for durability, issues may arise over time. Common problems include loosening of the mounting bolts, which can lead to instability, and corrosion, particularly in environments where the truck is exposed to moisture or road salts. Troubleshooting steps involve inspecting the brace for signs of wear or damage, tightening any loose bolts, and applying a corrosion-resistant coating if necessary. In cases where the brace is damaged beyond repair, replacement is recommended to maintain the integrity of the starting system.

Maintenance Tips

To prolong the lifespan of the Cummins 4067945 Starting Motor Brace and ensure optimal performance, regular maintenance is advised. This includes periodic inspections for signs of wear, corrosion, or damage. Ensuring that all mounting bolts are tight and applying a protective coating can help prevent corrosion. Additionally, keeping the area around the starting motor clean and free of debris can reduce the risk of contamination, which may affect the performance of the starting system.

Manufacturer Information

Cummins Inc. is a renowned manufacturer with a long-standing reputation in the automotive and heavy-duty truck industry. The company is committed to quality and innovation, consistently delivering reliable and high-performance components. Cummins’ dedication to excellence is evident in the design and manufacturing of the 4067945 Starting Motor Brace, reflecting their expertise and commitment to meeting the demanding needs of commercial truck operators.

Compatibility with Cummins Engines

The Starting Motor Brace, part 4067945, is specifically engineered to fit seamlessly with several Cummins engine models, including the QST30 CM2350 T101 and QST30 CM552. This part is designed to interface with the unique design specifications of these engines, ensuring a precise fit and reliable performance. The brace is manufactured to meet the stringent quality standards set by Cummins, guaranteeing durability and longevity in various operational environments.

Integration with the Starting Motor

The Starting Motor Brace, identified by part number 4067945, serves as a structural support element that enhances the stability and alignment of the starting motor within the engine system. This brace ensures that the starting motor is securely positioned, which is essential for the efficient transfer of rotational force from the starter to the engine’s flywheel. Proper alignment and stability provided by the brace contribute to the consistent and reliable operation of the starting motor, reducing the likelihood of mechanical stress or failure during engine start-up.

Contribution to Mounting Stability

In addition to supporting the starting motor, the 4067945 Starting Motor Brace plays a significant role in the overall mounting system of the engine. It interfaces with various mounting points, reinforcing the connection between the starting motor and the engine block or other structural components. This reinforcement is vital for maintaining the integrity of the mounting system under the dynamic loads experienced during engine operation. The brace helps distribute these loads more evenly across the mounting structure, which can prolong the lifespan of both the starting motor and the mounting components.

Enhanced System Reliability

By providing additional support and stability, the 4067945 Starting Motor Brace contributes to the overall reliability of the engine system. It helps prevent issues such as misalignment, which can lead to increased wear on the starting motor and other connected components. The brace also aids in reducing vibrations that can occur during engine start-up, further enhancing the smooth operation of the engine.

Conclusion

The Cummins 4067945 Starting Motor Brace is a critical component in the assembly and functionality of engine systems, particularly in relation to the starting motor and its mounting. Its role in providing structural support and stability is essential for the efficient and reliable performance of the engine. Regular maintenance and proper installation are key to ensuring the longevity and optimal performance of this Cummins part.