China Cummins CCEC NT855 Diesel Engine Rocker Lever Bushing 140330 | Tonkee®

The rocker lever bushing, part number 140330, is typically constructed from high-quality materials designed to withstand the harsh operating conditions of a diesel engine.

These materials are chosen for their durability and resistance to wear and tear, ensuring that the bushing can provide long-lasting performance in demanding environments.

Function and Location:

The rocker lever bushing plays a crucial role in the operation of the Cummins CCEC NT855 engine. It is an essential component within the rocker lever assembly, which is responsible for actuating the engine's valves. The rocker lever assembly converts the rotational motion of the camshaft into vertical motion to open and close the engine's intake and exhaust valves at precise intervals.

The rocker lever bushing is positioned within the rocker lever, acting as a pivot point. As the camshaft lobes push against the rocker arms, the rocker lever bushing ensures smooth and controlled movement, allowing the rocker arms to press against the valve stems accurately. This precise valve timing is critical for the engine's overall performance and efficiency.

Dimensional Specifications:

The exact dimensional specifications of the Cummins CCEC NT855 rocker lever bushing, part number 140330, are critical to its proper function.

These specifications include the inner and outer diameters, as well as the length of the bushing. These dimensions are engineered to precise tolerances to ensure a snug fit within the rocker lever assembly, reducing play and minimizing wear.

Lubrication and Maintenance:

Proper lubrication is essential for the longevity of the rocker lever bushing and the entire rocker lever assembly. Lubrication channels or grooves are often incorporated into the design of the bushing to allow for the consistent flow of engine oil. Engine oil provides lubrication to reduce friction and heat generation at the contact points between the rocker lever and the bushing. Regular maintenance, including oil changes, is crucial to keep the bushing and the entire valve train functioning optimally.

Compatibility and Replacement:

Part number 140330 is designed specifically for use in Cummins CCEC NT855 diesel engines. It is essential to ensure that replacement bushings are compatible with the engine model to maintain the engine's reliability and performance. When replacing the rocker lever bushing, it is advisable to follow Cummins' guidelines and recommendations to ensure proper installation and function.

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