What is the outcome of ignoring proper caps or plugs after disconnecting hydraulic lines?

Ignoring proper caps or plugs after disconnecting hydraulic lines significantly increases the risk of contamination within the hydraulic system. When hydraulic lines are disconnected, they are exposed to the environment, which can introduce dirt, moisture, and other contaminants. These contaminants can enter the hydraulic fluid, leading to potential damage to seals, pumps, and other components in the system. Over time, this contamination can degrade the fluid's viscosity and lead to system failures or reduced performance. Therefore, ensuring that appropriate caps or plugs are used after disconnection is critical to maintaining the integrity and reliability of hydraulic systems.