One of our members recounted a story about a switch in hydraulic oils which had a less than ideal outcome. The machines involved are mining-size hydraulic excavators.
These diggers were delivered to the end-user filled with the machine OEM’s own branded ISO VG46 hydraulic oil. This oil features a zinc-free, anti-wear additive package and has a viscosity index (VI) of … Read more
Last night I watched part of a documentary about over servicing in healthcare. The ordering of unnecessary and sometimes invasive tests. Performance of surgeries and other procedures which aren’t required or which are not scientifically proven to be helpful. And this issue is more or less universal across healthcare in developed countries. It’s a very costly one too. Not just … Read more
A recent arrival on ‘Planet Brendan’ who works for Bosch Rexoth’s ‘Large Hydraulic Drives’ division in Sweden (a.k.a. Hagglunds division) wrote me this after reading my “6 Hydraulic Mistakes….” report:
“I would have liked more information on why you shouldn’t have filters on the drain line on piston pumps. We actually use that solution in our drive units and we … Read more