Fluid Power Journal

Oil-heater Problems with a Hydraulic Power Unit (HPU) Located in an Unheated Shed

A metal fabrication shop has a 30-year-old bending press that can bend wide flange beams to a semi-circular shape. The machine was up-graded to bend larger …

Gold Mine Crusher with Erratic Pressure

A hydraulic power unit operating a rock-crushing machine had erratic pressure problems, causing the crusher to stall when the pressure seemed to relieve at a …



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