4893487
Rocker Lever Support
Cummins®

Introduction

The Rocker Lever Support 4893487, produced by Cummins, is a critical component designed for heavy-duty trucks. This part facilitates the efficient transfer of motion from the camshaft to the valves, ensuring precise valve timing essential for engine performance and longevity.

Basic Concepts of Rocker Lever Support

Rocker lever supports are pivotal in an engine’s valve train, serving as a pivot point for rocker arms. These arms convert the camshaft’s rotational motion into the linear motion required to operate the engine’s valves. The interaction between the rocker lever support, rocker arm, and camshaft is essential for maintaining valve operation timing and efficiency ¹.

Purpose and Role in Truck Operation

The 4893487 Rocker Lever Support provides a stable mounting point for rocker arms, ensuring they can effectively transfer camshaft motion to the valves. This precise control over valve timing is crucial for optimal engine performance, fuel efficiency, and emissions control ².

Key Features

This Cummins part is constructed from high-quality materials, offering resistance to wear and corrosion. Its design includes precise machining for a perfect fit and smooth operation. Specific design elements may reduce friction and improve valve train efficiency.

Benefits

Utilizing the 4893487 Rocker Lever Support enhances engine efficiency through precise valve timing and operation. Its durable construction extends the longevity of valve train components, reducing replacement frequency. Reliable performance contributes to overall truck performance, offering smoother operation and potentially improving fuel economy.

Installation Process

Installing this part requires careful attention to detail. The process involves removing the old support, cleaning the mounting area, and installing the new support with correct torque specifications. Following manufacturer guidelines is crucial to avoid component or engine damage. Proper installation ensures the rocker lever support functions as intended, contributing to efficient valve train operation.

Troubleshooting and Maintenance

Common issues with the 4893487 may include wear, corrosion, or improper installation. Regular inspection and maintenance can identify these issues early, allowing for timely repairs or replacements. Maintenance practices should include cleaning the support and surrounding components, checking for wear or damage, and ensuring secure connections. These guidelines can prolong the lifespan and ensure reliable operation.

Cummins Overview

Cummins is renowned for producing high-quality components that meet the demanding requirements of heavy-duty applications. The company’s commitment to innovation and excellence is evident in its wide range of products, including the 4893487, designed for reliable performance and durability in challenging conditions.

Compatibility of Rocker Lever Support Part 4893487 with Cummins Engines

The 4893487 is designed to fit various Cummins engines, ensuring the proper function of rocker levers integral to the engine’s valve train system. Its compatibility across different engine models, including ISB/ISD6.7 CM2150 SN, ISBE CM800, ISBE4 CM850, and QSB4.5 CM850 (CM2850), is crucial for maintaining engine performance and reliability.

Conclusion

The 4893487 Rocker Lever Support is fundamental to the efficient and reliable operation of the rocker lever assembly. Its role in supporting, aligning, and stabilizing the rocker lever is essential for the proper functioning of the valve train and, by extension, the engine as a whole. Ensuring the use of genuine Cummins parts for maintenance and repairs is vital for maintaining engine performance and reliability.