Hot sale SBS140 Excavator Main Pump | replacement parts

Piston Assembly: The piston assembly is a crucial component of the main pump that converts mechanical energy into hydraulic pressure.

Over time, the pistons may wear out or become damaged, leading to decreased pump efficiency or potential failure. Replacing the piston assembly with compatible and high-quality replacement parts is essential to restore optimal pump performance.

Cylinder Block: The cylinder block houses the pistons and controls their movement within the pump. With continuous use, the cylinder block can experience wear or damage, resulting in decreased pump efficiency or potential leaks. Replacing the cylinder block with a suitable replacement part is crucial to maintain proper hydraulic fluid circulation and ensure the longevity of the pump.

Valve Plate: The valve plate plays a critical role in directing the flow of hydraulic fluid within the pump. It contains various valves that control the fluid's path during operation. Over time, the valve plate can wear out, develop leaks, or experience damage, leading to decreased pump efficiency and potential contamination of the hydraulic system. Replacing the valve plate with a compatible replacement part is necessary to maintain 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 even 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 are essential components in the main pump, responsible for preventing fluid leakage and ensuring smooth 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 includes 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 Valve: The control valve regulates the flow and pressure of hydraulic fluid within the pump.

With continuous use, the control valve may experience wear or damage, leading to improper flow regulation and decreased pump performance. Replacing the control valve with a suitable replacement part ensures precise control and optimal pump operation.

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