Another Reason Why Pump Suction Strainers Shouldn’t Be Installed

Photo credit: Stauff CorporationI recently came across an article describing a failure that occurred on a hydraulic machine during the last northern winter. The extreme cold had caused the water present in the hydraulic oil to freeze on the surface of the installed suction strainer. When the hydraulic system was started the ice-clogged suction strainer imploded and the resulting debris destroyed the hydraulic … Read more

Hydraulic Troubleshooting Face Off: Method vs Principles

The Hydraulic Troubleshooting HandbookThere’s a hydraulics trainer from the USA who has put a hand pump and a bunch of connectors into a fancy box. And he promotes this kit around the world as a hydraulic troubleshooting system. Like a crusader.

One of my Hydraulics Pro Club members asked me for my thoughts on it. Not the crusader. His hand pump troubleshooting doohickey.… Read more

The Top 2 Causes of Hydraulic Vane Pump Failure and How to Avoid them

vaneOne of our members wrote to me recently regarding the following problem:

“Recently, we bought a used hydraulic power unit (15HP electric motor directly coupled to a vane pump). A high-pitched, clicking noise is generated when the unit runs. We have checked the following:

–We thought it was a motor bearing, so we detached pump from motor, no noise heard.… Read more