Which risk increases when hydraulic pump fluid viscosity is too high, approaching cavitation conditions?

💡 Explanation

When hydraulic fluid viscosity is excessively high approaching cavitation, the increased resistance to flow causes reduced volumetric efficiency, resulting in cavitation and slower response times in actuators, leading to actuator lag. Therefore, actuator lag results, rather than filter reduction, system overpressure, or jet overheating, which have different operational causes.

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