Ed Bailey, Bison Steel Inc., got and read The Hydraulic Maintenance Handbook and used the know-how within to deal with water contamination in a hydraulic shear. The oil capacity of the hydraulic tank was 300 gallons (1136 litres).
Initially the oil was circulated through water removal filters. Six filters were used but this only took out some of the water. … Read more
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
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