5447245
Rocker Lever Housing
Cummins®

Introduction

The Rocker Lever Housing 5447245, manufactured by Cummins, is a critical component in the commercial truck engine industry. This part enhances the efficiency and reliability of engine systems by protecting and supporting the rocker arms within the valve train mechanism.

Basic Concepts of Rocker Lever Housing

A Rocker Lever Housing is essential in an engine’s valve train system. It encases the rocker arms, which transfer motion from the camshaft to the valves. This housing provides a controlled environment for the rocker arms, shielding them from contaminants and offering structural support. It interacts with other engine components like the camshaft, pushrods, and valve springs, ensuring precise valve train operation ¹.

Purpose of the 5447245 Rocker Lever Housing

The 5447245 Rocker Lever Housing is designed to protect the rocker arms in truck engines. It ensures the precise transfer of motion from the camshaft to the valves, crucial for the engine’s combustion process and performance. The housing maintains the alignment and stability of the rocker arms, contributing to consistent valve operation ².

Key Features

This Cummins part is made from high-quality materials for durability and wear resistance. It features precise machining for a snug fit around the rocker arms and robust mounting points for secure attachment to the engine block. Additionally, it may include oil passages for lubrication, enhancing the longevity and performance of the rocker arms ³.

Benefits

The 5447245 Rocker Lever Housing improves engine efficiency through smooth and reliable valve train operation. Its protective role extends the lifespan of the rocker arms and other valve train components, enhancing engine durability. The precise fit and alignment provided by the housing contribute to the overall reliability of the engine, reducing mechanical failures.

Installation Process

Installing this part requires careful attention. Ensure the engine block is clean, align the housing with the mounting points, and secure it with appropriate fasteners. Torque the fasteners to the manufacturer’s specified values for a secure fit. Verify that the rocker arms move freely within the housing and there is no interference with other engine components.

Common Issues and Troubleshooting

Common issues with the 5447245 Rocker Lever Housing include wear, rocker arm misalignment, or fastener problems. Troubleshooting involves inspecting the housing for wear, ensuring rocker arm alignment, and checking fastener torque. Replace the housing if wear is detected, and readjust or replace worn components for misalignment issues.

Maintenance Tips

Regular maintenance of the 5447245 Rocker Lever Housing is vital for its longevity and performance. Inspect it periodically for wear, ensure fasteners are torqued correctly, and keep it clean. Maintain proper lubrication of the rocker arms and valve train components to reduce wear and ensure smooth operation.

Cummins Overview

Cummins Inc. is a global leader in power solutions, including engines and related technologies. Known for its high-quality engine components, Cummins focuses on innovation, quality, and customer satisfaction, establishing itself as a trusted name in the industry.

Compatibility of 5447245 Rocker Lever Housing

The 5447245 Rocker Lever Housing is compatible with several engine models, including the L9 CM2670 and L128B engines. It ensures the precise movement of rocker levers, reducing friction and wear, and is crucial for the engines’ performance and efficiency.

Role of 5447245 Rocker Lever Housing in Engine Systems

The 5447245 Rocker Lever Housing is vital in engine systems, particularly in overhead valve (OHV) or overhead cam (OHC) designs. In OHV engines, it secures the rocker lever above the valves, ensuring smooth motion transfer from the pushrod to the valve. In OHC engines, it supports the rocker lever that interacts directly with the camshaft lobes, maintaining the integrity of the valve train.

Conclusion

The 5447245 Rocker Lever Housing by Cummins is a crucial component for the reliable operation of engine valve trains. Its robust construction, precise design, and protective role contribute significantly to engine performance, efficiency, and longevity.