What is the safest action to take before moving the excavator away from the edge of an excavation?

Lowering the boom before moving the excavator away from the edge of an excavation is the safest action because it helps to stabilize the machine and reduces the risk of tipping or losing control. By bringing the boom down to a lower position, the center of gravity is lowered, enhancing the machine's stability. Additionally, having the boom lowered minimizes the potential for unintended excavation, which could lead to slippage or collapse of the edge. This practice is crucial in ensuring both safety for the operator and the integrity of the excavation site. Other actions such as engaging the travel function or slewing left do not address the immediate risk associated with the boom's position relative to the excavation and could lead to unsafe conditions if the boom is not properly managed. Retracting the boom may be beneficial, but lowering it is more directly associated with ensuring stability.