Hot sale A4VG71 Hydraulic Pump | replacement parts

Cylinder Block: The cylinder block is one of the most critical components of the hydraulic pump.

It houses the pistons and cylinder bores, converting the mechanical power into hydraulic energy. In case of damage or excessive wear, replacing the cylinder block is essential to ensure proper sealing and efficient operation of the pump.

Pistons and Piston Rings: Pistons move back and forth inside the cylinder bores, creating the necessary pressure to pump hydraulic fluid. Over time, piston rings may wear out, resulting in fluid leakage and reduced pump performance. Replacing the pistons and piston rings helps restore the pump's efficiency and prevent internal leakage.

Valve Plate: The valve plate is responsible for controlling the flow of hydraulic fluid within the pump. It contains various ports and valves that direct the fluid to the appropriate areas. If the valve plate is damaged or worn, it can cause erratic pump performance and inefficient fluid distribution. Replacing the valve plate ensures proper flow control and overall pump functionality.

Drive Shaft and Bearings: The drive shaft connects the pump to the power source, transmitting the rotational energy required for pump operation. Bearings support the shaft and ensure smooth rotation. If the drive shaft is bent or the bearings are worn, it can lead to excessive vibration, noise, and even pump failure. Replacing these components helps maintain the pump's reliability and extends its lifespan.

Seals and O-rings: Seals and O-rings play a crucial role in preventing fluid leakage and maintaining pressure within the pump. Over time, these components may become brittle, cracked, or worn, compromising their sealing capabilities. Replacing the seals and O-rings is essential to prevent hydraulic fluid leakage and ensure the pump operates at optimal efficiency.

Housing and Covers: The pump's housing and covers provide protection and structural integrity to internal components.

If they are damaged or cracked, it can lead to contamination of the hydraulic system and potential failure of the pump. Replacing the housing and covers ensures a secure and clean environment for the pump's operation.

Shaft Seal: The shaft seal prevents fluid from leaking along the pump shaft. If the seal is damaged or worn, it can result in significant fluid loss and potential damage to the pump. Replacing the shaft seal helps maintain the pump's performance and prevents contamination of the surrounding environment.

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