What should be checked during a pre-operation inspection of the lift's controls?

During a pre-operation inspection of the lift's controls, it is essential to ensure that all controls function correctly. This step is critical for safety because properly functioning controls directly affect the operator's ability to maneuver the lift safely and effectively. If any control is unresponsive, faulty, or malfunctioning, it can lead to hazardous situations while operating the lift. This inspection helps identify issues before operation, preventing accidents and ensuring that the lift can be used as intended.

The other options, while relevant to the general maintenance and operation of the lift, do not pertain specifically to the functionality of the controls. Checking for dirt and dust is important for overall maintenance but does not impact control function directly. Ensuring the lift has a full tank of fuel is necessary for operation, but it relates more to the power source rather than the controls. Inspecting the lift's color for wear is more about aesthetics and visibility rather than the operational capabilities of the controls themselves.