Most Recent Blog Posts

Mar 27, 2017

The 2 Main Types Of Water Removal Filter Elements

Water removal filters are one way of removing water from hydraulic oil. Generally speaking, these filters are best suited to removing small amounts....More
Mar 20, 2017

The Filter Cart 'Rule of Seven'

Off-line filtration, whether permanently installed on a hydraulic system, or effected by the temporary installation of a portable filter cart, is a....More
Mar 13, 2017

A Word About Specific Heat Of Hydraulic Oil

Based on specific heat alone, water appears to be a superior hydraulic fluid to oil. Because it takes twice is much heat, to get the same quantity of....More
Feb 27, 2017

Why Hydraulic Spool Valves Stick

The radial clearance between the spool and bore in common, garden-variety directional control valves ranges between 3 and 13 microns. If the....More
Feb 20, 2017

When NOT To Use Wire-Reinforced Hydraulic Hose

A recent client engaged me to design the hydraulic steering circuit for a luxury motor yacht he was building. During installation, the installer....More
Feb 13, 2017

How To Buy Hydraulic Filter Elements - The Right Way

When comparing filter elements, the better filter is the one that will achieve and maintain the required or targeted fluid cleanliness level (at the....More
Feb 06, 2017

Hydraulic Motor Face-Off: Bent Axis vs Axial Piston

Bent axis and in-line axial piston motors are both high performance designs featuring high efficiency at high operating pressures. But which is best....More
Jan 30, 2017

How To Make Your Hydraulic Supplier Rich

If you're a hydraulic machine owner, or responsible for the same, one sure way of transferring a scary amount of dinero from your bank account to....More
Jan 23, 2017

When NOT To Believe What Anyone Tells You

In 'The Hydraulic Troubleshooting Handbook' I define and explain 12 principles for troubleshooting anything successfully. And I use examples from....More
Jan 02, 2017

Why Accurate Failure Analysis Is VERY Important

As every hydraulics end-user who's been around for a while knows, hydraulic component manufacturers are notorious for the smoke and mirrors they use....More
Dec 19, 2016

Hydraulic Troubleshooting: Start With The Basics

In any troubleshooting situation, no matter how simple or complex the hydraulic system, always start with the basics. This ensures that the obvious....More
Dec 12, 2016

2 Good Reasons To SCHEDULE Hydraulic Pump Change-Outs

A manufacturing company recently hired me to check the performance of four hydraulic pumps operating a large hydraulic press. The hydraulic pumps had....More
Dec 05, 2016

Hydrostatic Transmissions: Making Sense Of Case Drain Flow - Part 3

In response to my previous posts on hydrostatic transmissions, some members were still confused about the influence of the charge pump when....More
Nov 21, 2016

NEW APP For Hydraulic Troubleshooting

Announcing a new App for your smartphone or tablet that helps you avoid troubleshooting mistakes and get the correct diagnosis in the shortest....More
Nov 14, 2016

Bio-Based Hydraulic Fluid: Its Application And Use

A client was tendering on an earthmoving project located in environmentally sensitive wetland. A condition of the contract was that the hydraulic....More
What's Hydraulics At Work?

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

Blog Archive

Sponsored Introduction Continue on to (or wait seconds) ×