How should I maintain and care for my Grass Shear + Hedger? Keep the ventilation vents of the tool clean at all times. If possible, prevent foreign matter from entering the vents If the enclosure of the trimmer requires cleaning, do not use solvents to clean it. Only use a moistened soft cloth. Never let any liquid get inside the tool; and never immerse any part of the tool into a liquid The blade rail should be cleaned and treated with light machine oil or spray lubricant (such as WD40, CRC 5.56 or RP7) after each use. When a job lasts for a long period of time, it is recommended that the blade rail also be treated with spray lubricant at regular intervals during operation . Inspect the product before each use for worn and damaged parts. Do not operate it if you find broken and worn parts. Related articles How do I change the blades on my Grass Shear + Hedger? How do I disassemble my Hedger Joe HJ605CC? Where can I find replacement parts for the Sun Joe Mow Joe MJ401E Lawn Mower? How do I know if the battery for my 24V-DRNCLN-SK1 unit is fully charged? How do I properly use the shearing blade?