Komatsu Excavator Parts Feed Fuel Priming Pump 6251-71-8210

Komatsu Excavator Parts Feed Fuel Priming Pump 6251-71-8210

Excavator Parts: Fuel Feed and Priming Pump
A fuel feed and priming pump is an essential component in an excavator's fuel system, ensuring that the engine receives a consistent supply of fuel under the correct pressure. Here’s a detailed look at this crucial part:

Key Functions of the Fuel Feed and Priming Pump
Fuel Delivery: The primary function of the fuel feed pump is to draw fuel from the fuel tank and supply it to the engine’s fuel injection system.
Pressure Maintenance: It maintains the necessary fuel pressure to ensure efficient and consistent engine performance.
Priming: The priming function helps in removing air from the fuel system, ensuring the fuel lines are filled with fuel, which is essential for starting the engine, especially after the fuel system has been serviced or after running out of fuel.
Types of Fuel Feed and Priming Pumps
Mechanical Pumps: These are typically driven by the engine’s camshaft and are common in older or simpler excavator models.
Electric Pumps: These are powered by the excavator’s electrical system and provide more consistent fuel pressure and flow.

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