China A4VG180 Hydraulic Pump｜replacement parts

Cylinder Block: The cylinder block is a crucial part of the hydraulic pump, responsible for converting mechanical energy into hydraulic pressure.

When replacing the cylinder block, it is essential to consider factors such as material quality, surface finish, and dimensional accuracy to ensure a proper fit and prevent leakage or inefficiency.

Piston: The pistons reciprocate within the cylinder block, generating the necessary pressure to move the hydraulic fluid. Replacement pistons should meet precise size and tolerance requirements, as well as possess excellent sealing properties to maintain optimal performance and efficiency. Additionally, consideration should be given to the material quality and surface coating for improved durability.

Valve Plate: The valve plate controls the flow of hydraulic fluid within the pump. It consists of various channels, ports, and valves that direct the fluid to the appropriate locations. When replacing the valve plate, it is crucial to consider factors such as pressure ratings, material compatibility, and accurate machining to ensure smooth operation and prevent potential system failures.

Swash Plate: The swash plate converts the rotating motion of the drive shaft into reciprocating motion of the pistons. Replacement swash plates should have the correct angle and surface finish to ensure the desired pump displacement and efficiency. It is important to select a swash plate that matches the original specifications to maintain optimal pump performance.

Bearings and Seals: Bearings and seals minimize friction and prevent fluid leakage within the hydraulic pump. Replacement bearings should have the appropriate load-bearing capacity, material quality, and dimensions to ensure smooth operation and longevity. Seals should provide effective sealing properties to prevent fluid leakage and contamination. Compatibility with the hydraulic fluid and pressure ratings is crucial when selecting replacement seals.

Shaft and Drive Coupling: The shaft and drive coupling transmit power from the prime mover to the pump.

Replacement shafts should match the original specifications regarding diameter, length, and material strength. Drive couplings should be selected based on the pump's input and output requirements, ensuring a secure and efficient connection.

Housing and Mounting Flange: The pump's housing provides structural support and houses various internal components. When replacing the housing or mounting flange, it is essential to choose components that match the pump's model and design specifications. Proper alignment and connection with the hydraulic system are crucial for optimal performance and longevity.

 

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