OEM HPV95 Excavator Main Pump | replacement parts

Swash Plate Assembly: The swash plate assembly is a vital component of the main pump, responsible for controlling the flow and pressure of hydraulic fluid.

With continuous operation, the swash plate assembly can wear out or become damaged, affecting the performance and efficiency of the pump. Replacing the swash plate assembly with a compatible and high-quality replacement part is necessary to restore optimal pump functionality.

Cylinder Block: The cylinder block houses the pistons and controls their movement within the pump. Over time, the cylinder block can suffer from wear or damage, leading to decreased pump efficiency or even complete failure. Replacing the cylinder block with a suitable replacement part is crucial to maintain the pump's performance and ensure proper hydraulic fluid circulation.

Valve Plate: The valve plate is responsible for directing the flow of hydraulic fluid within the pump. It contains various valves that control the fluid's path during operation. With prolonged use, the valve plate can develop leaks or wear out, leading to decreased pump efficiency and potential fluid contamination. Replacing the valve plate with a compatible replacement part is essential for maintaining optimal pump performance.

Drive Shaft: The drive shaft transfers mechanical power from the engine or motor to the main pump. It is subjected to high stresses and rotational forces during operation. If the drive shaft becomes worn or damaged, it can result in noise, vibration, or pump failure. Replacing the drive shaft with a compatible and durable replacement part is crucial for ensuring smooth power transmission and preventing potential pump issues.

Bearings and Seals: Bearings and seals play a vital role in preventing fluid leakage and ensuring smooth pump operation. Over time, these components can wear out or develop leaks due to continuous use and exposure to hydraulic fluid. Replacing worn bearings and seals with high-quality replacements is necessary to maintain pump efficiency, prevent fluid leakage, and avoid damage to other pump components.

Shaft Seal Kit: The shaft seal kit consists of seals, o-rings, and gaskets that prevent hydraulic fluid from leaking along the pump shaft. These seals are exposed to high pressure and can wear out over time, leading to potential leaks. Replacing the shaft seal kit at regular intervals or when leaks are detected is essential for maintaining the pump's efficiency and preventing contamination of the hydraulic system.

Control Piston: The control piston is responsible for adjusting the swash plate angle, thereby regulating the pump's output flow and pressure.

With continuous use, the control piston can experience wear or damage, affecting the pump's performance and efficiency. Replacing the control piston with a suitable replacement part ensures precise control and optimal pump operation.

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