Are you SURE your hydraulic pump is broken?

Rexroth A2VSL1000 hydraulic pumpOn the subject of questions I get from members, 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 repair … Read more

How To Select Hydraulic Connectors For Leak-Free Reliability

Slow leaksHydraulic oil leaks are often considered to be an inherent characteristic of hydraulic machines. While this may have been true 30 years ago, advances in sealing technology and the development of reliable connection systems means that today, leak-free hydraulic plumbing is readily achievable.

Reliable Connections

Leak-free reliability begins at the design stage, when the type of hydraulic fitting is selected … Read more

One Thing To Check The Next Time You Change A Hydraulic Hose

hydraulic hoseThe hydraulic hose fabrication process – or more specifically – the hose cutting process introduces contamination. This comprises metal particles from the hose’s wire reinforcement and the cutting blade itself, and polymer dust from the hydraulic hose’s out cover and inner tube.

The amount of contamination which enters the hose during cutting can be reduced by employing techniques such as … Read more