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Six Easy Steps to Maintain Your Hydraulic Equipment  

My wife often asks me why I still do consulting work. She wonders why I happily leave the comfort of my office to crawl all over hot, dirty, smelly hydraulic equipment.

For starters, I actually enjoy it. Secondly, it keeps me sharp. But perhaps most importantly, it keeps me in touch with the issues that hydraulic equipment users must grapple with.

One of the lessons I've learned over the years is that in the early stages of a consulting assignment, it is better to ask good questions rather than dispense good advice.

Pump Failures

A recent client had a series of catastrophic pump failures. These pumps were achieving less than half their expected service life. So naturally, the company wanted some answers. At our first meeting, the client opened proceedings with a brief history of the machine and an account of the events leading up to the failures. He then pushed a stack of oil analysis reports across the table.

Ask the Basic Questions

After taking notes on what I'd just been told, I fired off my first question: "What is the system's normal operating temperature?" The response was stunned silence. Client shrugs his shoulders.

"OK, what is the system's usual operating pressure range?" Blank look from client. "I don't know; we don't monitor either of those things."

At the end of this meeting, we walked through the control room. Both the operating pressure and temperature were displayed on the default PLC screen - albeit along with a lot of seemingly more important production information. Say no more.

But could you answer these two basic questions about the vital signs of your hydraulic equipment, rebar toolsfloor grindergrouting pump? If not, I strongly recommend you make the effort to get to know your hydraulic equipment better.

Gathering Information

This information is easy to collect. It can give valuable insight to the health of your equipment and is essential data if failure analysis is required. Here is how I recommend you accomplish this task:

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