Buy Komatsu PC27 Hydraulic Piston Pump Parts | Tonkee®

The hydraulic piston pump in the Komatsu PC27 is a variable displacement axial piston pump.

This means that the displacement of the pump can be adjusted to meet the varying hydraulic flow requirements of the excavator's different functions. Variable displacement pumps are known for their efficiency in delivering hydraulic power precisely when and where it's needed, improving overall system performance.

One of the critical specifications of the hydraulic piston pump is its displacement capacity. The displacement determines the volume of hydraulic fluid the pump can deliver per revolution. In the case of the PC27, the displacement is typically measured in cubic centimeters per revolution (cc/rev). Understanding this specification is crucial for matching the pump's capacity with the hydraulic requirements of the excavator.

The hydraulic piston pump consists of several essential parts, each contributing to its overall functionality. The pump typically includes a swashplate mechanism, pistons, cylinder block, and a control system. The swashplate is a key component that allows for the adjustment of the pump's displacement. By changing the angle of the swashplate, the pump can vary its output and meet the changing demands of the hydraulic system.

The pistons are responsible for pressurizing the hydraulic fluid.

These pistons move back and forth within the cylinder block, creating a pumping action. The cylinder block contains the pistons and is designed to withstand high pressure. The quality and material of the cylinder block are crucial factors in the pump's overall durability and reliability.

The control system of the hydraulic piston pump is responsible for adjusting the swashplate angle based on the hydraulic load. This system ensures that the pump delivers the right amount of hydraulic fluid to meet the demands of the excavator's functions. The efficiency of the control system directly impacts the overall performance and fuel efficiency of the excavator.

Regular maintenance of the hydraulic piston pump is essential to ensure its longevity and optimal performance. This includes monitoring the hydraulic fluid for contamination, checking for leaks, and inspecting the condition of critical components such as the swashplate, pistons, and cylinder block. Timely replacement of worn or damaged parts is crucial to prevent costly breakdowns and downtime.

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