1.2.4 Safety Precautions for Maintenance Personnel must always wear protective gloves and footwear when performing maintenance work. It is recommended that the charger is routinely inspected at least once a week. Do not put flammable, explosive, or combustible materials, chemicals, combustible vapors, or other dangerous goods near the charger, due to risk of fire. Keep the charging plug clean and dry. Wipe with a clean, dry cloth if soiled. 3