I get a lot of questions about troubleshooting hydraulic problems. This one showed up the other day:
“What is the most effective and efficient method to diagnose internal leakage on a hydraulic machine – without the aid of diagnostic tools, such as pressure gauges and flow meters.”
It’s not a bad question. But upon deeper analysis it smacks of ‘silver-bullet’ … Read more
One of our members wrote to me regarding the following problem:
“We have a hydraulic system that operates two cylinders. The maintenance staff recently reported that the pump (piston-type) had failed – for reasons unknown at this time. The tank, valves and cylinders were cleaned and a replacement pump installed. The new pump is delivering a maximum pressure of 1,000 … Read more
A manufacturing company recently hired me to check the performance of four hydraulic pumps operating a large hydraulic press. The hydraulic pumps had clocked over 10,000 hours in service and the customer’s concern was that if pump performance was down, production would be too.
My test results revealed that the performance of all four pumps was within acceptable limits. So … Read more