Monday, 26 February 2018 11:20

Lube Tip 7: Hydraulic Fluids

Keep hydraulic fluids cool. (The bulk oil temperature at the exterior of the reservoir should never exceed 60°C).

Keep hydraulic fluids clean. (There is general agreement among hydraulic experts that 75 - 80 per cent of hydraulic failures are caused by fluid contaminated with dirt, wear particles and other foreign material. In today's high-pressure systems, clearances between wear surfaces are very small, making contamination control critical).

Immediately repair fluid leaks. If oil can escape, dirt and dust can re-enter the system. (A fluid leak of one drop per second is equal to 400 gallons in a 12-month period.)

(From "The Practical Handbook of Machinery Lubrication")

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