by Steve Downey | Mar 10, 2021 | Fluid Power Technical Topics, Hydraulic Repair
Corrosion is high on the list of causes rendering a hydraulic system useless. Corrosion is the chemical reaction between a metal and a chemical, typically an acid. Rust is the chemical union of ferrous metals (iron and steel) with oxygen, usually caused by water. Rust... 
by Steve Downey | Feb 23, 2021 | Fluid Power Technical Topics
Hydraulic relief valves limit system pressure to protect components. The valves also limit the hydraulic system’s maximum output force. All hydraulic system relief valves work by balancing the hydraulic force with an adjustable spring force. Whenever the relief valve... 
by Steve Downey | Feb 8, 2021 | Fluid Power Technical Topics, Hydraulic Repair
Hydraulic hoses move pressurized fluid to and from hydraulic system components. Designed to be flexible and durable, all hose assemblies eventually wear down from constant pressure and need replacement.Hose assemblies that suddenly fail can cause employee injury,... 
by Steve Downey | Jan 4, 2021 | Fluid Power Technical Topics, Remanufactured Hydraulics
Replacing a pump in a hydraulic system should be simple, right? Just take the pump out of the box, install it in the machine, fill the case with oil, connect all the lines, and turn it on. It sounds simple, but an incorrectly installed hydraulic pump could have your... 
by Steve Downey | Dec 15, 2020 | Blog, Fluid Power Technical Topics, Hydraulic Repair
Direct Control Valves (DCVs) that aren’t working correctly can cause problems with your customer’s hydraulic system. You can troubleshoot some DCV problems on the fly, when the hydraulic system is online. This article provides information on 3 DCV problems your... 
by Steve Downey | Dec 1, 2020 | Blog, Fluid Power Technical Topics, Hydraulic Repair
Many hydraulic pump failures are rooted in misalignment, when two shafts are not running on the same axis through the center. Misalignment causes 50% of the costs from breakdowns to rotating machinery, according to an article in Flow Control. Misaligned pumps also can...