Most Recent Blog Posts

Feb 08, 2016

An Unusual Hydraulic Pump Problem

It was early in the afternoon when I got the call requesting I go to site to supervise start-up of a recently overhauled hydraulic system. Thinking....More
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
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
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
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
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
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
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
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
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
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
Nov 16, 2015

Why High Pressure Means High Maintenance

The power density of individual components and the system as a whole increases with pressure. But there are a number of disadvantages with higher....More
Nov 09, 2015

6 Ways Your Hydraulic Components Wear Out

From the moment they're installed and commissioned, hydraulic components start to wear out. There are 6 ways it happens....More
Nov 02, 2015

The Pitfalls Of A "Not MY Problem" Mentality

Is a "not my problem" mentality damaging your hydraulic equipment and hurting your bottom line? Consider this very frank and revealing admission I....More
Oct 26, 2015

2 Important Facts About Pump Intake Isolation Valves

The issue of intake line isolation valves is one where people tend to get blinkers on. By that I mean, like suction strainers, they wrongly believe....More
What's Hydraulics At Work?

Brendan Casey is a war-weary and battle-scarred veteran of the hydraulics industry.

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