How to Know When to Change a Hydraulic Filter

Filter used on a filter cartContinuous monitoring of the filter elements in a hydraulic system can provide valuable clues to the performance of the filter and the condition of the system. But before discussing this, let’s consider some of the advantages and disadvantages of common filter locations in a hydraulic system.

Pressure filtration

Locating filtering media in the pressure line provides maximum protection for components … Read more

How To Prepare a Spare Hydraulic Cylinder for Storage

hydraulic cylinder failureA question I get asked a lot by equipment owners, is the procedure for storing spare hydraulic cylinders for an extended period. So here’s what I recommend:

–Always store fully retracted.
–Store indoors in a clean, dry area.
–Smear the internal surfaces of eye/clevis bushes or bearings with grease – particularly if they’re steel.
–Protect any exposed chrome on the … Read more

Why You Need to be Aware of the Heating Effect of a Charge Pump

Rexroth A2VSL1000 hydraulic pump I get all sorts of question from our members. And there’s a very valuable lesson contained in this one:

“We have some problems with a Parker-Denison hydrostatic transmission pump P24S 2R1C 9A2. Oil temperature rises from 20 to 50 Celsius within 15-20 minutes of only light operation (65 bar working pressure). The pump was sent to a local workshop for Read more