Why should the key be removed from an excavator's ignition when not in use?

Removing the key from an excavator's ignition when it is not in use is crucial primarily to prevent unauthorized movement. Leaving the key in the ignition can create safety and security risks, as it allows anyone to potentially operate the excavator without the proper training or authorization. This could lead to accidents, damage to machinery, or unsafe situations in the work environment. Additionally, this practice helps ensure that only designated operators who have been trained to use the excavator can access and operate the equipment, thus promoting safety on the job site.

While extending battery life, maintaining engine cleanliness, and conserving fuel are important considerations for the operation and maintenance of excavators, they are not the primary reason for removing the key from the ignition. Keeping the equipment secure against unauthorized use is a fundamental safety precaution in construction and excavation environments.