Video | How to interchange hydraulic pumps.

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A Guide to Interchanging Fluid Power Hydraulic Pumps

Welcome to our instructional video on how to interchange fluid power hydraulic pumps! Whether you're upgrading your hydraulic system or replacing a faulty pump, understanding the technical details of flow, pressure, mounting, ports, shaft, and RPM is crucial for a successful interchange. In this guide, we'll walk you through the process step by step, ensuring a seamless transition to a new hydraulic pump.

Assessing Technical Specifications

Before proceeding with the interchange, it's essential to gather relevant technical information about your existing pump and the replacement pump. Key specifications to consider include:

  • Flow Rate (GPM or LPM)
  • Operating Pressure (PSI or Bar)
  • Mounting Configuration
  • Port Size and Type
  • Shaft Diameter and Length
  • Rotation Speed (RPM)

Compatibility Check

Once you have the technical details of both pumps, perform a compatibility check to ensure the replacement pump meets or exceeds the requirements of your hydraulic system. Pay close attention to flow and pressure ratings, as well as mounting and port configurations, to avoid compatibility issues.

Installation Procedure

Follow these steps for a successful pump interchange:

  1. Shut down the hydraulic system and relieve pressure to ensure safety.
  2. Disconnect inlet and outlet lines from the existing pump.
  3. Remove any mounting brackets or hardware securing the pump to the system.
  4. Carefully extract the old pump from its mounting location.
  5. Inspect the mounting surface for any damage or debris and clean if necessary.
  6. Position the replacement pump in the mounting location, ensuring proper alignment.
  7. Secure the pump in place using appropriate mounting hardware.
  8. Connect inlet and outlet lines to the new pump, ensuring tight fittings.
  9. Double-check all connections and ensure there are no leaks.
  10. Restart the hydraulic system and monitor for proper operation.

Testing and Adjustment

After installing the replacement pump, conduct thorough testing to verify its performance and compatibility with the hydraulic system. Monitor flow, pressure, and temperature levels, and make any necessary adjustments to optimize pump operation.


Interchanging fluid power hydraulic pumps requires careful consideration of technical specifications and proper installation procedures. By following the steps outlined in this guide and paying attention to compatibility and installation details, you can ensure a smooth and successful pump interchange, minimizing downtime and maximizing system efficiency.

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