Komatsu Excavator Parts Pump Controller 7835-26-6000

Komatsu Excavator Parts Pump Controller 7835-26-6000

The pump controller in an excavator is a vital component of its hydraulic system, responsible for regulating the flow and pressure of hydraulic fluid to various hydraulic pumps and motors. It plays a crucial role in controlling the excavator's movement, including the operation of the boom, arm, bucket, and tracks. Here's a detailed overview:

Function of the Pump Controller
Flow Regulation: The pump controller regulates the flow of hydraulic fluid to different hydraulic components based on the operator's inputs and the excavator's operating conditions.
Pressure Control: It maintains the hydraulic pressure within the system at optimal levels to ensure efficient operation and prevent damage to hydraulic components.
Load Sensing: Some pump controllers are equipped with load sensing technology, which adjusts the flow and pressure based on the load on the hydraulic system, optimizing energy efficiency and performance.
Safety Features: Pump controllers may incorporate safety features such as pressure relief valves to prevent overloading and protect the hydraulic system from damage.
Components of the Pump Controller
Control Valve: Regulates the flow of hydraulic fluid to the hydraulic pumps and motors.
Pressure Relief Valve: Limits the maximum pressure in the hydraulic system, protecting components from damage.
Solenoid Valves: Control the operation of the hydraulic pumps and other hydraulic functions based on electronic signals from the machine's control system.
Sensors: Measure hydraulic pressure, temperature, and other parameters to provide feedback to the pump controller for optimal operation.

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