3976751
Hydraulic Pump Adapter
Cummins®

The Cummins Hydraulic Pump Adapter Plate, part number 3976751, is a specialized component designed for use in the hydraulic systems of commercial trucks. Its purpose is to facilitate the connection between the hydraulic pump and the rest of the hydraulic system, ensuring seamless fluid transfer and system operation. This adapter plate plays a significant role in maintaining the efficiency and reliability of the truck’s hydraulic functions.

Basic Concepts of Hydraulic Pump Adapter Plates

A Hydraulic Pump Adapter Plate serves as an intermediary component that connects the hydraulic pump to the hydraulic system. It ensures proper alignment and sealing, which are vital for the efficient operation of the system ¹. The adapter plate helps in maintaining system integrity by preventing leaks and ensuring that hydraulic fluid is distributed correctly throughout the system. Its design allows for easy installation and removal, which is beneficial during maintenance or repairs.

Purpose of the 3976751 Hydraulic Pump Adapter Plate

The 3976751 Hydraulic Pump Adapter Plate is specifically engineered to enhance the operation of a truck’s hydraulic system. It plays a role in ensuring that the hydraulic pump is correctly aligned with the system’s components, which facilitates efficient fluid flow. This adapter plate interacts with various parts of the hydraulic system, including the pump, hoses, and reservoirs, to maintain consistent pressure and flow rates.

Key Features

The 3976751 Hydraulic Pump Adapter Plate boasts several key features that contribute to its performance. It is constructed from durable materials that can withstand the high pressures and temperatures typical in hydraulic systems. The design includes precise machining to ensure a tight seal and proper alignment. Additionally, it features corrosion-resistant coatings to enhance longevity and reliability in various operating conditions.

Benefits

The 3976751 Hydraulic Pump Adapter Plate offers several benefits to the hydraulic system. Its robust construction and precise design contribute to improved efficiency by ensuring a consistent and leak-free connection. The adapter plate’s durability helps in reducing the frequency of replacements and maintenance, leading to cost savings over time. Furthermore, its reliable performance enhances the overall reliability of the hydraulic system.

Installation Process

Installing the 3976751 Hydraulic Pump Adapter Plate involves several steps to ensure proper fitting and function. Begin by ensuring the hydraulic system is clean and free of debris. Align the adapter plate with the pump and the system’s connection points. Use the appropriate tools to secure the plate in place, ensuring all bolts are tightened to the manufacturer’s specifications. Finally, check for any leaks or misalignments before operating the system.

Common Issues and Troubleshooting

Common issues with the 3976751 Hydraulic Pump Adapter Plate may include leaks, misalignment, or wear and tear. To troubleshoot these problems, first, inspect the plate for any visible damage or wear. Ensure that all connections are tight and properly aligned. If leaks are detected, check the seals and gaskets for integrity. In cases of significant wear, replacement of the adapter plate may be necessary.

Maintenance Tips

Regular maintenance of the 3976751 Hydraulic Pump Adapter Plate is crucial for ensuring its longevity and optimal performance. Inspect the plate during routine system checks for any signs of wear or damage. Clean the adapter plate and its connections to prevent buildup of debris. Additionally, verify that all seals and gaskets are in good condition and replace them if necessary. Following these maintenance practices will help in maintaining the efficiency of the hydraulic system.

Role in Hydraulic System Efficiency

The 3976751 Hydraulic Pump Adapter Plate contributes to the overall efficiency of the truck’s hydraulic system by ensuring a secure and leak-free connection between the pump and the system. Its precise design and durable construction help in maintaining consistent fluid flow and pressure, which are essential for the efficient operation of hydraulic components such as brakes, suspensions, and steering systems.

About Cummins

Cummins is a renowned manufacturer with a long-standing reputation in the industry for producing high-quality truck components. The company is committed to innovation and excellence, ensuring that its products meet the demanding requirements of commercial truck applications. Cummins’ dedication to quality and performance is evident in the design and functionality of the 3976751 Hydraulic Pump Adapter Plate ².

Compatibility with Cummins Engines

The Hydraulic Pump Adapter Plate, part number 3976751, is compatible with various Cummins engines, including the QSB4.5, QSB6.7, and QSB7 series. Its precision design ensures that the hydraulic pump is securely mounted, contributing to the overall performance and reliability of the engine’s hydraulic system.

QSB4.5 Series

• QSB4.5 CM2250 EC: The adapter plate fits seamlessly with the QSB4.5 CM2250 EC engine, ensuring efficient operation and longevity of the engine’s hydraulic system.
• QSB4.5 CM850 (CM2850): This variant benefits from the adapter plate, ensuring smooth operation of the hydraulic pump.

QSB6.7 Series

• QSB6.7 CM850 (CM2850): The adapter plate ensures correct alignment and mounting of the hydraulic pump, maintaining the hydraulic system’s integrity and performance.

QSB7 Series

• QSB7 CM2880 B117: The adapter plate ensures secure mounting of the hydraulic pump, essential for the engine’s hydraulic system to function correctly and efficiently.

Integration with Engine Systems

The 3976751 Hydraulic Pump Adapter Plate is integral to the efficient operation of various engine systems. This component facilitates the connection between the hydraulic pump and the engine, ensuring seamless fluid transfer and operational harmony.

Interaction with the Rear Gear Train Accessory

The adapter plate provides a stable and precise connection to the hydraulic system, enabling the gear train to receive the hydraulic power it needs to operate smoothly. This interaction is particularly important in systems where the gear train is responsible for driving other components, such as auxiliary systems or additional pumps.

Conclusion

The 3976751 Hydraulic Pump Adapter Plate is a critical component in the hydraulic systems of commercial trucks, ensuring efficient and reliable operation. Its robust construction, precise design, and compatibility with various Cummins engines make it an essential part of maintaining the integrity and performance of the hydraulic system.