Cummins 6BT Diesel Engine Part 3907240 3931623 Valve Tappet

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Product Title: Engine Valve Tappet

Product Model: 490B-06002 for Xinchai 490B Engine

 

 

 

 

 

 

Item	Description
Product Name	Engine Valve Tappet (490B/495B/498B)
P/N	490B-06002
Applied Model	Xinchai Diesel Engine 490B/495B/498B
Net Weight (kg)	0.75
Gross Weight (kg)	1.20
Qty per Carton	8 Root / Table Sleeve
Carton Size (cm)	15*11*7

 

 

 

The Roles of Engine Valve Tappet

 

Valve lifters, or tappets, are an integral part of the engine's valve train, and their design and material selection significantly impact the engine's performance and reliability.

 

The primary functions of valve lifters include:

1. Transmitting Thrust:

The tappet transfers the thrust from the camshaft effectively to the push rod or directly to the valve stem, ensuring the proper operation of the engine.

 

2. Withstanding Lateral Forces:

Due to the rotation of the camshaft, the tappet must withstand the lateral forces imparted by the cam and transfer these forces to the engine block or cylinder head.

 

3. Adjusting Valve Clearance:

Through the use of an adjusting screw, the valve tappet can adjust the valve clearance. This adjustment is crucial to prevent excessive clearance between the valve and the valve seat after the engine has been subjected to high temperatures or wear, which could impair the seal.

 

4. Reducing Noise:

Precise adjustment of the valve clearance by the tappet helps minimize the noise and impact associated with the valve train during operation, contributing to smoother engine performance and enhanced durability.

 

By performing these functions, valve valves ensure that the engine operates efficiently and reliably, with minimized noise and optimal valve timing.

 

 

We constantly innovate in the Cummins 6BT Diesel Engine Part 3907240 3931623 Valve Tappet field, continuing to exceed customer expectations, and make unremitting efforts to achieve sustainable development. We actively share the fruitful results of corporate development with our employees, customers, investors and the public, and strive to write a new chapter in the new era. Our company strives to build a win-win, sustainable development industry chain, adhering to the people-oriented management tenet and honesty-based sales spirit, and giving play to the industry's leading competitive advantage in technology.