Brendan Casey is a war-weary and battle-scarred veteran of the hydraulics industry. He's the author of The Hydraulic Troubleshooting Handbook, Insider Secrets to Hydraulics, Preventing Hydraulic Failures, The Definitive Guide to Hydraulic Troubleshooting, The Hydraulic Breakdown Prevention Blueprint and co-author of Hydraulics Made Easy and Advanced Hydraulic Control. And when he's not writing about hydraulics or teaching it, Brendan is flat-out helping consulting clients from a diverse range of industries solve their hydraulic problems. To contact him visit his company's Website:

Posts by Brendan Casey

in Hydraulics At Work Jun 27, 2016

How To Make Sense Of Case Drain Flow From A Hydrostatic transmission

"I tried one afternoon and evening to determine what was wrong with a hydrostatic transmission by monitoring case drain flow and was confused by the....More
in Hydraulics At Work Jun 20, 2016

Are You SURE Your Hydraulic Pump Is Broken?

"We have some problems with a Parker-Denison hydrostatic transmission pump P24S 2R1C 9A2. Oil temperature rises from 20 to 50 Celsius within 15-20....More
in Hydraulics At Work Jun 13, 2016

How To Select Hydraulic Connectors For Leak-Free Reliability

Hydraulic oil leaks are often considered to be an inherent characteristic of hydraulic machines. While this may have been true 30 years ago, advances....More
in Hydraulics At Work Jun 06, 2016

One Thing You Must Check The Next Time You Change A Hydraulic Hose

The hydraulic hose fabrication process - or more specifically - the hose cutting process introduces contamination. This comprises metal particles....More
in Hydraulics At Work May 30, 2016

How To Avoid Hydraulic Troubleshooting Mistakes

Troubleshooting hydraulic systems can be a complex exercise. It involves a lot of science and sometimes, a bit of art. Incorrect diagnosis prolongs....More
in Hydraulics At Work May 23, 2016

How To Reduce Noise Emission From Hydraulic Systems

The magnitude of noise radiation from an object is proportional to its area and inversely proportional to its mass. Reducing an object's surface area....More
in Hydraulics At Work May 16, 2016

How To Deal With Water In Hydraulic Oil

If you've worked with hydraulic equipment for any length of time, it's likely that you've come across a hydraulic system with cloudy oil. Oil becomes....More
in Hydraulics At Work May 09, 2016

How To Fix Water Hammer In Hydraulic Circuits

When a moving column of fluid hits a solid boundary - when a directional control valve closes suddenly for example, its velocity drops to zero and....More
in Hydraulics At Work May 02, 2016

Why You Should Record All Hydraulic Oil Top-Offs

A maintenance planner for a large coal mine, recently told me his mine purchased 447,000 liters of hydraulic oil last year. It's hard to believe....More
in Hydraulics At Work Apr 25, 2016

Hydraulic Component Repair Using Aftermarket or Non-Genuine Parts

The economics of proceeding with any hydraulic repair is ultimately dependent on the cost of the repair, relative to the cost of a new component. As....More

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