The most common method to sharpen a chainsaw is using the file and guide. It is a very cheap method and you can save a few bucks by sharpening the chain yourself rather than going to a shop to get the job done. The file guide ensures that you have the proper angle and correct depth for sharpening the chain.
- The first task before sharpening any chainsaw is choosing the right file size because every chainsaw is different with different link sizes. The model of the chainsaw is written on the back of its box. If you have lost the box, you can contact the chain manufacturer. Most of the chain requires a 3/16 in, 5/32 in, or 7/32 in file size.
- Using the screwdriver tighten the chain on the chainsaw so that it does not wiggle. Engage the chain brake and lightly clamp in the bar in the bench vise. There are sharpening angle specifications which are also written at the back of the box. Usually, it is 30 degrees. After choosing the correct file size, fix it inside the file guide. The file guide keeps you from filing too deep or too shallow and at a proper angle.
- The file guide is set at 90 degrees and then the file is run across the teeth. While sharpening each tooth, don’t apply too much pressure. Also, mark each tooth before sharpening so that there is no confusion and you sharpen the same tooth twice.
- Count the number of strokes you make, otherwise, there will be uneven sharpening. File from the inside angle of the teeth, called cutters, towards the outside. The file only sharpens on the forward stroke, so after pushing it through, lift the file off the chain on the backstroke.
- When you are done sharpening the cutters on one side of the chain, flip the chainsaw around to sharpen the cutters on the other side of the chain.
- Use the depth gauge tool and flat file to adjust the height of the depth gauges of the chain. If the depth gauges are too high, the cutters can’t reach the wood. Before sharpening check the height of the depth gauge with filing guide. If they protrude above the guide, adjust them with the help of a flat file.
Basically, these steps complete the process of sharpening the chainsaw. For proper functioning of the chainsaw, you need to sharpen it regularly and also try to keep your chainsaw out of the dirt while cutting. You can easily identify when your chainsaw needs sharpening by checking the waste material from your saw cuts.If your waste is in dust form that means your chainsaw requires sharpening.
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