Hydraulic Motor Case Drains Optional, But ALWAYS A Good Idea

While absolutely essential on a piston-type hydraulic motor, an external case drain line is usually optional on gear motor designs–external, internal and gerotor/geroller. These types of motors don’t have a large-volume case or sump like piston motors do. But they do have internal leakage which by design, usually accumulates in a small cavity just behind the shaft seal.

By installing … Read more

How To Protect Hydraulic Cylinder Rods From Long-Term Exposure To the Atmosphere

cyl-rod-scratchesThis issue is particularly important in corrosive environments, such as marine or offshore applications. And even more so if the cylinder rod is finished with conventional, hard chrome plating, which due to its micro porosity, has relatively poor corrosion resistance. The BEST way to keep the surface of the cylinder rod protected, is of course to park the machine with … Read more