John Deere AR97872 40 cc/rev Hydraulic Radial Piston Pump

John Deere AR97872 Hydraulic Radial Piston Pump has a displacement of 40 cc/rev. John Deere AR97872 pump transforms mechanical energy into hydraulic power to facilitate efficiency in the machinery's operation. The radial piston design is ideal for machines requiring controlled flow at high pressure, with the specified displacement dictating the theoretical amount of fluid moved per shaft revolution.

The 40 cc/rev specification is critical regarding system performance. At any shaft speed, displacement affects the flow rate, actuator speed, and power required as input. The actual flow will be less than theoretical flow due to volumetric loss, which occurs due to wear, increasing pressure, and oil temperatures. The replacement part should have the right specifications including AR97872 reference, displacement, shaft, mounting, rotation, ports, and drive configuration.

There are sensitive components inside radial piston pumps that are dependent on clean and properly specified oils. Contamination of any kind is likely to result in piston and valve surface wear, while water may lead to poor lubrication and cause corrosion problems. Reduced inlet flow or air leaks could also lead to cavitation, noise and unstable pressure levels. Filter, oil level, reservoir quality and suction capability should be inspected in case of deteriorated performance of pumps.

If the existing AR97872 pump fails, cleaning of the hydraulic system should be done prior to installing the new pump. All filters should be replaced, and contaminated hoses, valves, or even reservoir itself should be flushed. Drive cushion or coupling, shaft alignment and pressure relief valve setting should be checked. The newly installed pump should be primed and commissioned under low loads, with its pressure, flow, temperature and leakage being controlled.

Rexton Hydraulic offers new-condition John Deere AR97872 40 cc/rev Hydraulic Radial Piston Pumps and provides independent services for pump testing and maintenance. We will help you check the pump displacement and identify all needed components, evaluate installation conditions and order spare parts.