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Each tooth on the chain must be sharpened on both sides.
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If you live in a rural or suburban area, there's a good chance that you'll need to use a chainsaw someday. If you need to cut firewood, clear some property or remove a fallen tree branch, a chainsaw can be a major time saver. Note: - If you don't have much chainsaw experience, it's best to hire a professional for major jobs.
When purchasing a chainsaw, get one with a good warranty. The chainsaw should also come with a video that provides instructions for use and maintenance as well as safety rules. Chainsaws can be frustrating, particularly when they don't run well. Follow the manufacturer's recommendations for tuning the engine. You might also want to take the chainsaw to a small-engine-repair center once a year for professional tuning and cleaning. When you're using a chainsaw, the blade should send out small chunks of wood. If it begins sending out fine sawdust, the chain is probably dull. If that's the case, you can send the chain to a professional sharpener or sharpen it yourself. To sharpen the chain, run a 3/16" round file through each tooth. Hold the file at the same angle as the cutting edge of the tooth, and twist the file as you pull it through. Make six passes through each tooth, then repeat the process for the other side of the blade.
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