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It’s also wise to check the pump’s lubrication. Lack of proper lubrication can cause friction, leading to overheating and potential failure. Ensure the pump is lubricated according to the manufacturer’s specifications, and replenish or replace lubricants as needed.
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If the pump still isn’t functioning correctly after these checks, it may be time to assess the system’s pressure settings. Ensure that the pressure relief valve is functioning properly and that it hasn’t been set too low, which can affect performance.

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Another consideration is the type of fluid being pumped. If the viscosity or temperature of the fluid has changed, it may impact the pump’s performance. Pump specifications can vary based on the intended fluid, so make sure your pump is appropriate for the current application.
Lastly, in case all else fails, consult the user manual or contact the manufacturer for troubleshooting assistance. They may be able to provide specific guidance or identify issues that aren’t immediately apparent.
In conclusion, a plunger pump that isn’t pumping properly can often be resolved through a systematic approach to troubleshooting. By checking electrical connections, inspecting for blockages, examining mechanical components, ensuring proper lubrication, and confirming correct pressure settings, you can often restore your pump to optimal performance. Don’t hesitate to seek professional help if needed to avoid prolonged downtime and potential damage to your system.