What is a common symptom of hydraulic fluid leakage in equipment?

A common symptom of hydraulic fluid leakage in equipment is the slow movement of hydraulic components. When hydraulic fluid leaks, there is a decrease in the system's pressure and volume of fluid available to exert force on the hydraulic components. This results in sluggish or delayed movement because the hydraulic system relies on the pressurized fluid to perform tasks efficiently. For example, in a hydraulic lift, insufficient fluid may cause it to raise or lower more slowly than normal, indicating a potential leak or problem within the system.

The other options, while they might reflect operational outcomes in different scenarios, do not accurately represent a symptom of hydraulic fluid leakage. Increased lifting capacity would occur with sufficient fluid and pressure, while enhanced productivity implies that the system is functioning optimally. Automatic shutdown of systems may happen in cases of severe failures but is not a primary symptom of fluid leakage itself. Thus, noting slow movement provides a practical and immediate indicator of potential hydraulic issues, helping operators to identify and address leaks proactively.