If you know something about load sensing systems, the above headline, ‘inefficient load sensing’ appears to be a contradiction. After all, load sensing circuits match pump flow to actuator demand. And this is supposed to increase the hydraulic system’s efficiency. Not reduce it.

HOWEVER, under certain conditions a load sensing hydraulic system can be VERY inefficient. Let me give you … Read more

What is an acceptable level of oil loss for a hydraulic machine:
a). Zero
b). 2%
c). 5% or more?

In a perfect world, the right answer would of course be zero. But in reality, the true answer is 5% or more-of tank oil volume per year. And the reason I can say this with confidence is because total hydraulic … Read more

Number 26 in 132 Cardinal Sins of Hydraulics I put together several years ago is: ‘Failing to properly document hydraulic system performance tests for evaluation and future reference.’ And #96 is: ‘Failing to properly document past problems and their solutions, along with machine repair history.’

When a hydraulic machine has a problem, good historical records can be just as valuable, … Read more