The hydraulic pump is the hardest working component of a hydraulic system. And as the pump wears in service, internal leakage increases and therefore the percentage of output flow available to do useful work (volumetric efficiency) decreases. If volumetric efficiency falls below a level considered acceptable for the application, the pump will need to be changed-out. In a condition-based maintenance … Read more
Tag Archives: hydraulics troubleshooting
FREE App For Hydraulics Troubleshooting
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Hydraulic Troubleshooting: The Basics
One of our members wrote to me regarding the following problem:
“We have a hydraulic system that operates two cylinders. The maintenance staff recently reported that the pump (piston-type) had failed – for reasons unknown at this time. The tank, valves and cylinders were cleaned and a replacement pump installed. The new pump is delivering a maximum pressure of 1,000 … Read more