Hi I'm Tim Gipson and I'm going to talk to you about how to sharpen a circular saw blade. Now what I have here, I have a battery powered circular saw and now the first thing you want to make sure is that whenever you are getting ready to do anything with the blade you want to make sure the battery is disconnected or if it is a power saw that it is not plugged in. Now most of these saws have an Allen wrench that is built in to them so what we do is we use this to loosen the set screw and we can unscrew that by hand. Then the saw blade just pulls off. O'kay once you have removed it from your saw then what we want to do is we want to take a grease pencil or a piece of chalk and we want to mark the blade where we want to start and then we can go ahead and secure it in a vice and when you put it in the vice you want to make sure that the vice is clamping down on the face and that you don't have any of the teeth in the vice. Next what we are going to use is we are going to use a flat file. This one is actually a triangular shaped file or this is a standard flat file that you'll see. I'm going to use a smaller one because we want to make sure we use a fine tooth particularly for a smaller saw blade such as this coming out of a hand held. Now each of these teeth are angled a little differently so we're going to start with the one that we have marked and these are about a 20 degree angle so what you want to do is you want to match the angle and you want to go back and forth about four times. So we'll do that one and then we'll skip a tooth and drop to the next one that's at the same angle and do four, drop to the next one. Then we would do that and proceed all the way around the blade and then when we are ready to do the other ones what we're going to do is we're going to put the one next to the mark up and then we'll start and of course these are the ones that are beveled at the other direction so by turning the blade around you can keep this angle and the same pressure and again about four strokes, skip one, four strokes, skip one, four strokes and we go around then what you want to do is you want to just lightly go over on the top with just a couple light files like that and go all the way around and you have to put a little bit of pressure because most of these blades are used in these carbide tip blades which are very hard but they do stay sharp for a long time so they are a little tougher to file. But once you do that again you don't want to take too much, about four strokes on the side and just a couple strokes on the top and that will sharpen your points back and give you a real sharp blade and then you just proceed to put it back into your saw and you'll be good to go and again remember whenever you are replacing a blade or handling the blade out of your saw make sure that the power is completely disconnected from it. So I'm Tim Gipson and that's how to sharpen a circular saw blade.
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