What the ISO Standard Says About Re-terminating Hydraulic Hose

hydraulic hoseClause 5.4.6.5.1 a) of ISO 4413:2010 “Hydraulic fluid power – General rules and safety requirements for systems and their components” states: “hose assemblies shall be constructed from hoses that have not been previously used in operation as part of another hose assembly…”

This means squeezing a new end onto a hydraulic hose that has previously been in service … Read more

Can Hydraulic Oil Last For 17,000 Hours?

hydraulic oil drumOne of our members wrote me about a case study he read in which the life of a mineral hydraulic oil in a mobile hydraulic machine was extended from the 4,000 hours recommended by the machine’s manufacturer to 17,000 hours. The question raised was: “is this really possible?”

The first thing to keep in mind is that hydraulic oil should … Read more

Fluid Injection and My Almost Lethal Strike

Couple months ago while spraying woody weeds at my lake house in New South Wales, I felt something strike my left leg. This was odd since I was standing still at the time. So I looked down to catch a glimpse of what appeared to be the tail of a brown snake disappearing into the long grass.

Concerned, I retreated … Read more