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 Feb 02, 2016

How To Test A Hydraulic Cylinder

The conventional way of testing the integrity of the piston seal in a double-acting cylinder is to pressurize the cylinder at the end of stroke and....More
in Hydraulics At Work Jan 25, 2016

Pressure Intensification In Hydraulic Cylinders

There is a simple bench-test for testing the integrity of the piston seal in a double-acting cylinder. But it involves the intensification of....More
in Hydraulics At Work Jan 18, 2016

How To Master Hydraulic Troubleshooting

Troubleshooting is an inferential process. So to become an effective troubleshooter, you must employ a solid PROCESS. But you also need relevant....More
in Hydraulics At Work Jan 12, 2016

Why You SHOULD Fix Those Annoying Oil And Air Leaks

In a previous blog post I discussed the true cost of hydraulic oil leaks. But what about hydraulics' fluid power cousin: pneumatics? One of the....More
in Hydraulics At Work Jan 04, 2016

How To Extend Hydraulic Hose Life

Hydraulic hose has a finite service life, which can be reduced by a number of factors. From a maintenance perspective, little or no attention is....More
in Hydraulics At Work Dec 21, 2015

What To Do If Your Hydraulic Filters Are 'Clicking'

As you probably remember from school science experiments, electrostatic charge is generated whenever there is friction between two bodies moving....More
in Hydraulics At Work Dec 14, 2015

How To Tell If Your Hydraulic Machine Is Sick

Our body temperature is a quick and effective indicator of general health. These days you (or somebody else) can stick an electronic gizmo in your....More
in Hydraulics At Work Dec 07, 2015

How To Avoid Damage To Hydraulic Motors From 'Temperature Shock'

The problem was occurring during recovery of the clump weight with the guide-wire winch. The hydraulic motor on this winch was of radial piston....More
in Hydraulics At Work Nov 30, 2015

How To Avoid 'Dry Starting' Hydraulic Pumps

Gear and vane-type hydraulic pumps don't have a 'case' as such, so once you have purged the intake line of air, you are good to go. And you can't....More
in Hydraulics At Work Nov 24, 2015

How To Avoid 'Dieseling' In Hydraulic Cylinders

I was recently engaged by a client to conduct failure analysis on a large (and expensive) hydraulic cylinder off an excavator. This hydraulic....More

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