What is a common cause of overheating in hydraulic systems?

Overheating in hydraulic systems can often be attributed to fluid contamination. When the hydraulic fluid is contaminated, it can lead to several issues that generate excess heat within the system. Contaminants such as dirt, water, and other particulate matter can create friction, impairing the fluid's ability to lubricate the components effectively. This results in increased wear and tear, which can generate additional heat. More importantly, contaminants can clog filters and restrict flow, further elevating the temperature of the hydraulic fluid as the system works harder to maintain performance.

Contamination also disrupts the chemical composition of the fluid, which can reduce its thermal stability and ability to dissipate heat. Therefore, maintaining clean hydraulic fluid is crucial for preventing overheating and ensuring the efficient operation of hydraulic systems.