China A2FM28 Rexroth Hydraulic Piston Pump Excavator Repair Maintain Parts | Partsdic®

Technical Specifications:
The A2FM28 pump is characterized by its piston design, which plays a pivotal role in converting mechanical power into hydraulic energy.

It operates on the axial piston principle, where pistons move parallel to the axis of rotation. This design ensures high efficiency and performance in excavator hydraulic systems.

Flow Rate and Pressure:
The A2FM28 pump is capable of delivering a specified flow rate, typically measured in liters per minute (LPM) or gallons per minute (GPM). Additionally, it can generate hydraulic pressure measured in bars or pounds per square inch (PSI). These specifications are crucial in determining the pump's suitability for various excavator sizes and applications.

Size and Weight:
Compactness and lightweight design are essential considerations in the selection of hydraulic components for excavators. The A2FM28 is engineered to have a relatively small footprint and low weight, ensuring optimal integration without compromising the excavator's overall performance.

Material and Durability:
Constructed from high-quality materials, the A2FM28 pump is built to withstand the harsh operating conditions encountered in excavator applications. Resistance to wear, corrosion, and fatigue is crucial for ensuring a long service life and minimal downtime.

Control Options:
Rexroth hydraulic piston pumps often offer various control options, including manual, hydraulic, and electronic control.

These options enhance the versatility of the A2FM28 pump, allowing seamless integration into different excavator systems and facilitating precise control over hydraulic functions.

Repair and Maintenance:
Seal and Bearing Replacement:
Regular maintenance involves inspecting and replacing seals and bearings. Properly functioning seals prevent hydraulic fluid leakage, while well-maintained bearings ensure smooth operation and longevity.

Filter and Fluid Changes:
Maintaining clean hydraulic fluid is essential for the A2FM28 pump's performance. Regularly changing filters and hydraulic fluid helps prevent contamination, ensuring efficient operation and preventing damage to internal components.

Inspection of Pistons and Cylinder Block:
Periodic inspections of pistons and the cylinder block are crucial for identifying signs of wear or damage. Any issues should be addressed promptly to prevent further damage and ensure optimal pump performance.

 

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