How Temperature Affects Static Hydraulic Pressure

rod-seal-dieselIn The Hydraulic Troubleshooting Handbook I lay out a step-by-step SYSTEM for reliable and efficient troubleshooting. But there’s another prerequisite you won’t find in the job description: the ability to educate and convince the most ardent skeptics of your diagnosis – usually engineers with limited hydraulics knowledge. This story, sent to me by Joachim Renner, one of our members from … Read more

The Problem With Air In Hydraulic Oil

photo credit eaton vickersContaminants of hydraulic oil are broadly defined as any substance that impairs the proper functioning of the fluid. Air fits this definition and therefore when air becomes entrained in the oil, corrective action is required to prevent damage to both the oil and the other components in the hydraulic system.

Air can be present in four forms:

1. Free air … Read more

A Sure Way To Fast Track Your Hydraulics Troubleshooting Expertise

Hydraulic Oil Sample Point LocationsIn a previous blog post about hydraulics troubleshooting, I told the story of a monkey caught in an old Indian monkey trap. This story was an analogy for the importance of both knowledge AND process for a successful troubleshooting outcome. In response, one of our members sent me this:

“That is a great analogy. I am a USAF civilian (USAF … Read more